7J Electrical circuits Multiple-choice main test
|
|
- Curtis Cole
- 6 years ago
- Views:
Transcription
1 For each question, circle the correct answer. Question 1 A switch turns off a torch by... A) breaking the circuit B) making the circuit C) shorting the circuit D) turning a series circuit into a parallel circuit Question 2 In this circuit the bulb lights when... A) switch A only is closed B) switch B only is closed C) switch A and switch B are closed D) switch A and switch B are open Question 3 The diagram shows... A) two batteries in parallel B) two batteries in series C) two cells in parallel D) two cells in series Cambridge Essentials Science Cambridge University Press 2003, 2006,
2 Question 4 Electric current flows from... A) the negative side of a battery around the circuit to the negative side B) the negative side of a battery around the circuit to the positive side C) the positive side of a battery around the circuit to the negative side D) the positive side of a battery around the circuit to the positive side Question 5 A cell can be used to produce an electric current. Inside a cell you would find... A) chemicals B) a motor C) a pump D) a variable resistor Question 6 Electric current is measured... A) using an ammeter and in units of amperes B) using an ammeter and in units of volts C) using a voltmeter and in units of amperes D) using a voltmeter and in units of volts Question 7 The circuit in which the ammeter is connected correctly is... A) circuit 1 only B) circuits 1 and 3 only C) circuits 2 and 3 only D) circuit 3 only Cambridge Essentials Science Cambridge University Press 2003, 2006,
3 Question 8 The readings on ammeters X and Y will be... A) X = 0.10 A; Y = 0 A B) X = 0.15 A; Y = 0.10 A C) X = 0.20 A; Y = 0.20 A D) X = 0.25 A; Y = 0.30 A Question 9 A bulb in a series circuit can be made dimmer by increasing... A) the current in the circuit B) the resistance of the circuit C) the voltage of the battery D) the voltage of the cell Question 10 When three 1.5 V cells are connected as shown in this diagram, the total voltage is... A) 0.5 V B) 1.5 V C) 3.0 V D) 4.5 V Cambridge Essentials Science Cambridge University Press 2003, 2006,
4 Question 11 The two circuits that have two bulbs connected in series are... A) 1 and 2 only B) 1 and 4 only C) 2 and 3 only D) 2 and 4 only Question 12 Choose the position in the circuit A B C or D where the current will be 3.0 A. Question 13 The current at X would be... A) 0.5 A B) 1.0 A C) 1.5 A D) 2.0 A Cambridge Essentials Science Cambridge University Press 2003, 2006,
5 Question 14 The brightness of the bulbs in circuits 1 and 2 would be... A) circuit 1 = bright; circuit 2 = bright B) circuit 1 = bright; circuit 2 = dim C) circuit 1 = dim; circuit 2 = bright D) circuit 1 = dim; circuit 2 = dim Question 15 Choose the statement that does not describe a safety hazard when using electricity. A) Plugging several appliances into the same socket. B) Pulling a plug out by the lead. C) Using mains appliances in the bathroom. D) Using two kettles in the same kitchen. Question 16 A fuse works by... A) breaking the circuit if the current is too big B) breaking the circuit if the resistance is too big C) reducing the current flowing D) reducing the resistance of the circuit Question 17 Choose the position A B C or D in a plug where a fuse should be placed. A) in the earth wire of a plug B) in the live wire of a plug C) in the neutral wire of a plug D) none of these Cambridge Essentials Science Cambridge University Press 2003, 2006,
6 Question 18 A device that could be used instead of a fuse to protect a circuit is... A) an ammeter B) a circuit breaker C) a switch D) a variable resistor Question 19 Luigi Galvani discovered that frogs legs contain... A) nerves that carry electrical pulses B) nerves that carry water C) wires that carry electrical pulses D) wires that carry water Question 20 Alessandro Volta invented the first... A) ammeter B) bulb C) battery D) fuse Cambridge Essentials Science Cambridge University Press 2003, 2006,
CHAPTER 6.3: CURRENT ELECTRICITY
CHAPTER 6.3: CURRENT ELECTRICITY These components are used in electric circuits. TASK: Draw how you could make this lamp light. Electricity will only flow through a complete circuit. The battery, wires
More informationScience Olympiad Shock Value ~ Basic Circuits and Schematics
Science Olympiad Shock Value ~ Basic Circuits and Schematics Use a single D battery, a single bare wire and a light bulb. Find four different ways to light the light bulb using only a battery, one wire
More informationCircuits-Circuit Analysis
Base your answers to questions 1 through 3 on the information and diagram below. 4. A 9-volt battery is connected to a 4-ohm resistor and a 5-ohm resistor as shown in the diagram below. A 3.0-ohm resistor,
More informationELECTRICITY & MAGNETISM - EXAMINATION QUESTIONS (4)
ELECTRICITY & MAGNETISM - EXAMINATION QUESTIONS (4) 1. Which two electrical quantities are measured in volts? A current and e.m.f. B current and resistance C e.m.f. and potential difference D potential
More informationCHAPTER 3 DOMESTIC ELECTRICITY
CHAPTER 3 DOMESTIC ELECTRICITY 1 Electrical Power How to calculate power drawn from a source? Three equivalent expressions of power [HKCEE] [Power] Calculate the power dissipated in the 10Ω resistor. Page
More informationINTERACTIVE SCIENCE 2A
INTERACTIVE SCIENCE 2A Workbook Solutions (Enrichment Edition) Chapter 8 MAKING USE OF ELECTRICITY Part A Sectional Exercise 8.1 & 8.2 Concept checking p.35 1. False 2. True 3. False 4. True 5. True Questions
More informationEssential Electricity Homework Exercise 1
Homework Exercise 1 1. For each of the following electrical symbols, copy the symbol into you jotter and label it using the words below. Word bank resistor, voltmeter, battery, ammeter, bulb V A 2. State
More informationChapter 21 Practical Electricity
Chapter 21 Practical Electricity (A) Electrical Power 1. State four applications of the heating effect of electricity. Home: o Used in electric kettles o Used in electric irons o Used in water heaters
More informationChapter Assessment Use with Chapter 22.
Date Period 22 Use with Chapter 22. Current Electricity Understanding Concepts Part A Use each of the following terms once to complete the statements below. ampere electric current potential difference
More informationElectric Circuits Exam
Electric Circuits Exam 1. The diagram below represents a lamp, a 10-volt battery, and a length of nichrome wire connected in series. 4. Which circuit has the smallest equivalent resistance? A) B) As the
More informationElectrical Circuits Discussion Questions:
Electrical Circuits Discussion Questions: 1) What is electricity? 2) How does an electrical circuit work? 3) What types of materials conduct electrical energy? 4) How is electrical energy measured? 5)
More informationHOW IS ELECTRICITY PRODUCED?
ELECTRICITY HOW IS ELECTRICITY PRODUCED? All electricity is produced from other sources of energy. Hydroelectricity is produced from the stored energy of water held back by a dam. As the water runs downhill
More informationCircuits. Now put the round bulb in a socket and set up the following circuit. The bulb should light up.
Name: Partner(s): 1118 section: Desk # Date: Purpose Circuits The purpose of this lab is to gain experience with setting up electric circuits and using meters to measure voltages and currents, and to introduce
More informationElectricity Unit Review
Science 9 Electricity Unit Review Name: General Definitions: Neutral Object Charge Separation Electrical Discharge Electric Current Amperes (amps) Voltage (volts) Voltmeter Ammeters Galvanometer Multimeter
More informationWrite the term that correctly completes the statement. Use each term once. ampere. electric current. resistor battery.
Date Period Name CHAPTER 22 Study Guide Current Electricity Vocabulary Review Write the term that correctly completes the statement. Use each term once. ampere electric current resistor battery kilowatt-hour
More informationFun-Size: Starting Electricity Bingo
Fun-Size: Starting Electricity Bingo Teacher notes Introduction This game is a revision activity to a lesson or series of lessons on early Yr 7 electric topics. Running the activity There are 50 cards,
More informationVoltage and Current in Simple Circuits (Voltage Sensor, Current Sensor)
68 Voltage and Current in Simple Circuits (Voltage Sensor, Current Sensor) E&M: Voltage and current Equipment List DataStudio file: 68 Simple Circuits.ds Qty Items Part Numbers 1 PASCO interface (for two
More informationPAPER 2 THEORY QUESTIONS
PAPER 2 THEORY QUESTIONS 1 A plastic rod is rubbed with a cloth and becomes negatively charged. (a) Explain how the rod becomes negatively charged when rubbed with a cloth... [2] (b) An uncharged metal-coated
More informationAP Physics B Ch 18 and 19 Ohm's Law and Circuits
Name: Period: Date: AP Physics B Ch 18 and 19 Ohm's Law and Circuits MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A device that produces electricity
More informationElectrical Energy and Power Ratings
Section 1 - From the Wall Socket Electrical Energy and ower Ratings Batteries and the mains are sources of electrical energy. Electrical appliances can then convert this into other forms of energy. e.g.
More informationLab 08: Circuits. This lab is due at the end of the laboratory period
Name: Partner(s): 1114 section: Desk # Date: Purpose Lab 08: Circuits This lab is due at the end of the laboratory period The purpose of this lab is to gain experience with setting up electric circuits
More informationUnit 9. (Filled In) Draw schematic circuit diagrams for resistors in series and in parallel
Name: Date: Period: Unit 9 Series & Parallel Circuits (Filled In) Essential Questions: Does adding resistors to a circuit always reduce current? Does adding more light bulbs to a circuit always make them
More informationSC10F Circuits Lab Name:
SC10F Circuits Lab Name: Purpose: In this lab you will be making, both, series and parallel circuits. You will then be using a millimeter to take readings at various points in these circuits. Using these
More informationPHYSICS 6 EXTENDED PHYSICS
PHYSICS 6 EXTENDED PHYSICS GRADE 11 TERM 3 PORTFOLIO TASKS 2013-2014 STS\G11\Portfolio\Extended Physics Assessment Booklet\CDAU\ADVETIVersion 1.0 2014 1 31 Unit/Topic Performance Criteria Assess Event
More informationAlternating Current (AC) Electricity
Alternating Current (AC) Electricity Alternating current or AC electricity is the type of electricity commonly used in homes and businesses throughout the world. While the flow of electrons through a wire
More information34.5 Electric Current: Ohm s Law OHM, OHM ON THE RANGE. Purpose. Required Equipment and Supplies. Discussion. Procedure
Name Period Date CONCEPTUAL PHYSICS Experiment 34.5 Electric : Ohm s Law OHM, OHM ON THE RANGE Thanx to Dean Baird Purpose In this experiment, you will arrange a simple circuit involving a power source
More informationCurrent, resistance and potential difference
Multiple choice questions 1. Three conductors join as shown in the diagram. The direction of the current in each conductor is shown by the arrow. Y Z X The current in the conductor Z is 10 A. The current
More informationHigh Demand Questions QUESTIONSHEET 1 (a) Teresa set up the circuit shown in the diagram. The ammeter reading was 0.4 A.
High Demand Questions QUESTIONSHEET 1 (a) Teresa set up the circuit shown in the diagram. The ammeter reading was 0.4 A. A 4 Ω (i) What is the value of the current through the 4Ω resistor? (ii) What is
More information7. How long must a 100-watt light bulb be used in order to dissipate 1,000 joules of electrical energy? 1) 10 s 3) 1,000 s 2) 100 s 4) 100,000 s
1. Which quantity must be the same for each component in any series circuit? 1) power 3) current 2) resistance 4) voltage 2. A student needs a 4-ohm resistor to complete a circuit. Only a large quantity
More information16.3 Ohm s Law / Energy and Power / Electric Meters
16.3 Ohm s Law / Energy and Power / Electric Meters Voltage Within a battery, a chemical reaction occurs that transfers electrons from one terminal to another terminal. This potential difference across
More information4 Electric Circuits. TAKE A LOOK 2. Identify Below each switch, label the circuit as a closed circuit or an open circuit.
CHAPTER 17 4 Electric Circuits SECTION Introduction to Electricity BEFORE YOU READ After you read this section, you should be able to answer these questions: What are the three main parts of a circuit?
More informationSeries and Parallel Circuits
Series and Parallel Circuits 1 of 23 Boardworks Ltd 2016 Series and Parallel Circuits 2 of 23 Boardworks Ltd 2016 What are series and parallel circuits? 3 of 23 Boardworks Ltd 2016 Circuit components can
More informationLab 4. DC Circuits II
Physics 2020, Spring 2005 Lab 4 page 1 of 7 Lab 4. DC Circuits II INTRODUCTION: This week we will continue with DC circuits, but now with an emphasis on current rather than voltage. Of course, in order
More informationUsing Electricity. Prepared in Jan 1999 Second editing in March 2000
Using Electricity Prepared in Jan 1999 Second editing in March 2000 Learning objectives At the end of this unit you should be able to : 1. show understanding of the use of fuses and fuse rating. 2. give
More informationElectricity Notes 3. Objectives
Electricity Notes 3 Objectives Series Circuit There is only one path for the current to travel. bulbs connected in series; when one goes out, they all go out. As you add more bulbs, the brightness of the
More informationCircuit Notes. Def: 1. Power supply:
Circuit Notes Def: Parts of a circuit 1. Power supply: Types: 1- photovoltaic cell: generates current when exposed to light. ex: solar calculator or watch. 2- Batteries and generators. 2. Wires: 3. Switch
More informationCurrent Electricity. 3 rd Years
Current Electricity 3 rd Years Comparing: Flow of electricity to flow of water. Electric Current An electric current is a flow of electric charge. An electric current is caused by the flow of electrons
More information2. Four 20-Ω resistors are connected in parallel and the combination is connected to a 20- V emf device. The current in any one of the resistors is:
University Physics (Prof. David Flory) Chapt_27 Sunday, February 03, 2008 Page 1 Name: Date: 1. By using only two resistors, R1 and R2, a student is able to obtain resistances of 3 Ω, 4 Ω, 12 Ω, and 16
More informationUnit 13 Batteries and Other Electrical Sources
Batteries and Other Electrical Sources Objectives: Discuss the differences between primary and secondary cells. List voltages for different types of cells. Discuss different types of primary cells. Construct
More informationName: Base your answer to the question on the information below and on your knowledge of physics.
Name: Figure 1 Base your answer to the question on the information below and on your knowledge of physics. A student constructed a series circuit consisting of a 12.0-volt battery, a 10.0-ohm lamp, and
More information4 Electric Circuits. TAKE A LOOK 2. Identify Below each switch, label the circuit as a closed circuit or an open circuit.
CHAPTER 1 4 Electric Circuits SECTION Introduction to Electricity BEFORE YOU READ After you read this section, you should be able to answer these questions: What are the three main parts of a circuit?
More informationFrog's leg Batteries. Current flow of electric charge. L 26 Electricity and Magnetism [3] Batteries use chemical energy to produce electricity
L 26 Electricity and Magnetism [3] Electric circuits what conducts electricity what doesn t conduct electricity Current voltage and resistance Ohm s Law Heat in a resistor power loss Making simple circuit
More informationCircuits. What are circuits?
Circuits Circuits What are circuits? A closed loop made of a conducting substance that allows electrons to flow from the negative terminal to the positive terminal Parts of a Circuit 1 Power Supply Provides
More informationUnit 13 Batteries and Other Electrical Sources
Battery History Luigi Galvani in 1791 first noticed indications of electricity while experimenting with frog legs. Alessandro Volta in 1800 created the first practical battery. Batteries are composed of
More informationThe graphs show the voltage across two different types of cell as they transfer the last bit of their stored energy through the torch bulb.
Q1. A small torch uses a single cell to make the bulb light up. (a) The graphs show the voltage across two different types of cell as they transfer the last bit of their stored energy through the torch
More information7.9.2 Potential Difference
7.9.2 Potential Difference 62 minutes 69 marks Page 1 of 20 Q1. A set of Christmas tree lights is made from twenty identical lamps connected in series. (a) Each lamp is designed to take a current of 0.25
More informationCircuits. This lab is due at the end of the laboratory period
Name: Partner(s): 1114 section: Desk # Date: Purpose Circuits This lab is due at the end of the laboratory period The purpose of this lab is to gain experience with setting up electric circuits and using
More informationWhat is included in a circuit diagram?
Circuit Diagrams What is included in a circuit diagram? Circuit diagrams use symbols to represent parts of a circuit, including a source of electrical energy and devices that are run by the electrical
More informationUsing Electricity. Summary Notes. 1. From the Wall Socket Household appliances. Earth wire and safety.
Using Electricity Summary Notes Section Content 1. From the Wall Socket Household appliances. Earth wire and safety. 2. Alternating and Direct Battery and transformer. Current Circuit diagrams. Current
More information2. A student sets up the circuit shown. The switch is open (off). Which lamps are on and which lamps are off?
1. A polythene rod repels an inflated balloon hanging from a nylon thread. What charges must the rod and the balloon carry? A The rod and the balloon carry opposite charges. B The rod and the balloon carry
More information1. Which of these shows the correct units for both energy and power? A kilowatt joule B joule kilojoule C kilojoule watt D watt kilowatt
Multiple choice 1. Which of these shows the correct units for both energy and power? Energy Power A kilowatt joule B joule kilojoule C kilojoule watt D watt kilowatt 2. Which of these could cause an electrical
More informationReview for formula, circuit and resistance test
Review for formula, circuit and resistance test 1. Fill in the table giving the symbol and unit(s) for each. Current intensity Potential difference Voltage Resistance Power Energy Time 2. Give the formula
More informationPHYSICS MCQ (TERM-1) BOARD PAPERS
GRADE: 10 PHYSICS MCQ (TERM-1) BOARD PAPERS 1 The number of division in ammeter of range 2A is 10 and voltmeter of range 5 V is 20. When the switch of the circuit given below is closed, ammeter reading
More informationSeries circuits. The ammeter
Series circuits D o you remember how the parts of the torch on pages 272 3 were connected together? The circuit contained several components, connected one after the other. Conductors, like the metal strip
More informationPROPERTIES OF ELECTRIC CIRCUITS
Name: PROPERTIES OF ELECTRIC CIRCUITS Date: Go to www.linville.ca and click on the page Computer Simulations or go to http://phet.colorado.edu/simulations open the Circuit Construction: DC and then click
More informationBoardworks Ltd Mains Electricity
1 of 22 Boardworks Ltd 2016 Mains Electricity Mains Electricity 2 of 22 Boardworks Ltd 2016 Direct current 3 of 22 Boardworks Ltd 2016 There are two main types of electric current: direct current (DC)
More informationSOURCES OF EMF AND KIRCHHOFF S LAWS
SOURCES OF EMF AND KIRCHHOFF S LAWS VERY SHORT ANSWER QUESTIONS 1. What is the SI unit of (i) emf (ii) terminal potential difference? 2. When an ammeter is put in series in a circuit, does it read slightly
More informationL E A R N I N G O U T C O M E S
L E A R N I N G O U T C O M E S What is charge? How does a charge form? Electricity What is an electric current? Y E A R 1 0 C H A P T E R 1 2 What are conductors, insulators and semiconductors? How does
More informationElectric current, resistance and voltage in simple circuits
Lab 6: Electric current, resistance and voltage in simple circuits Name: Group Members: Date: T s Name: pparatus: ulb board with batteries, connecting wires, two identical bulbs and a different bulb, a
More informationElectric Current. Electric current: is the movement of electrons from a negative terminal back to the positive terminal of a battery.
Electric Current Electric current: is the movement of electrons from a negative terminal back to the positive terminal of a battery. Electric Current Electrons flow from regions of high Potential Energy
More informationLab 4. DC Circuits II
Physics 2020, Spring 2005 Lab 4 page 1 of 7 Lab 4. DC Circuits II INTRODUCTION: This week we will continue with DC circuits, but now with an emphasis on current rather than voltage. Of course, in order
More informationStudent Exploration: Advanced Circuits
Name: Date: Student Exploration: Advanced Circuits [Note to teachers and students: This Gizmo was designed as a follow-up to the Circuits Gizmo. We recommend doing that activity before trying this one.]
More informationPhys 202A. Lab 7 Batteries, Bulbs and Current
Phys 202A Lab 7 Batteries, Bulbs and Current Name Objectives: To understand how a voltage (potential difference) results in a current flow through a conductor. To learn to design and wire simple circuits
More informationInvestigation Electrical Circuits
ACTIVITY #1 Task: To design and construct a circuit where 2 light bulbs can turn on and off at the same time Materials: - 1 power supply - 2 light bulbs - Connecting wires ( ) - Switch(s) - Multi-meter
More informationto allow a current in one circuit to operate a switch in another circuit to protect a circuit by melting if the current becomes too large
1 What is the function of a relay? to allow a current in one circuit to operate a switch in another circuit to prevent an electric shock by earthing a metal case to protect a circuit by melting if the
More informationEPSE Project 1: Sample Diagnostic Questions - Set 3
EPSE Project 1: Sample Diagnostic Questions - Set 3 Circuit behaviour These questions probe pupils understanding of the behaviour of simple electric circuits. Most are about series circuits, and check
More informationName: Paisley Grammar Physics Department UNIT 2 USING ELECTRICITY PUPIL PACK. National 4/5 Physics. Study Guides Summary Notes Homework Sheets
Name: National 4/5 Physics Paisley Grammar Physics Department UNIT 2 USING ELECTRICITY PUPIL PACK Study Guides Summary Notes Homework Sheets USING ELECTRICITY Working at Home TO THE PUPIL Each day you
More informationELECTRICITY UNIT NAME
ELECTRICITY UNIT NAME Atom An atom is the smallest particle characterizing an element. All matter in the universe is made up of a combination of different atoms. Atoms are made up of protons, neutrons
More informationMagnetic Effects of Electric Current
Magnetic Effects of Electric Current Question 1: Why does a compass needle get deflected when brought near a bar magnet? Answer: A compass needle is a small bar magnet. When it is brought near a bar magnet,
More informationCircuit Analysis Questions A level standard
1. (a) set of decorative lights consists of a string of lamps. Each lamp is rated at 5.0 V, 0.40 W and is connected in series to a 230 V supply. Calculate the number of lamps in the set, so that each lamp
More information(2) The graph below shows how the power output of a wind turbine changes over one day.
Energy resources can be renewable or non-renewable. (a) Coal is a non-renewable energy resource. Name two other non-renewable energy resources... 2.. (b) Wind turbines are used to generate electricity.
More informationPaper Reference(s) Edexcel GCSE Science (5009) Physics (5045) P1a Topics 9 and 10 Foundation and Higher Tier
Surname Initial(s) Signature Paper Reference(s) 59 545 Edexcel GSE Science (59) Physics (545) P1a Topics 9 and 1 Foundation and Higher Tier Friday 21 November 28 Morning Time: 2 minutes Materials required
More informationPhysics - Chapters Task List
Name Hour Physics - Chapters 34-35 Task List Task In Class? (Yes/No) Date Due Grade Lab 33.1 - Wet Cell Battery Yes */15 * Vodcast #1 Electric Circuits & Ohm s Law /21 Worksheet Concept Review #1-12, Ch
More information11.1 CURRENT ELECTRICITY. Electrochemical Cells (the energy source) pg Wet Cell. Dry Cell. Positive. Terminal. Negative.
Date: SNC1D: Electricity 11.1 CURRENT ELECTRICITY Define: CIRCUIT: path that electrons follow. CURRENT ELECTRICITY: continuous flow of electrons in a circuit LOAD: device that converts electrical energy
More informationWhich of the following statements is/are correct about the circuit above?
Name: ( ) Class: Date: Electricity Exercises 1. Which of the following statements is/are correct about the circuit above? (1) Electrons flow from right to left through the bulb A. (2) Charges will be used
More information18.5. Electrical Circuits and Safety
18.5 Electrical Circuits and Safety Electrical Circuits An electric circuit is a complete path through which a charge can flow. This is called a closed circuit. When the electric current cannot flow, this
More informationElectricity. Chapter 20
Electricity Chapter 20 Types of electric charge Protons + charge Electrons - charge SI unit of electric charge is the coulomb (C) Interactions between charges Like charges repel Opposite charges attract
More informationPage 1 of 19. Website: Mobile:
Question 1: Why does a compass needle get deflected when brought near a bar magnet? A compass needle is a small bar magnet. When it is brought near a bar magnet, its magnetic field lines interact with
More informationIntext Exercise 1 Question 1: Why does a compass needle get deflected when brought near a bar magnet?
Intext Exercise 1 Why does a compass needle get deflected when brought near a bar magnet? A compass needle is a small bar magnet. When it is brought near a bar magnet, its magnetic field lines interact
More informationPURE PHYSICS ELECTRICITY & MAGNETISM (PART I)
PURE PHYSICS ELECTRICITY & MAGNETISM (PART I) 1 A student walks across a thick carpet and becomes positively charged as his shoes rub on the carpet. When he touches the metal handle of a door, negative
More informationElectricity concepts teacher backgrounder
Electricity concepts teacher backgrounder What is electricity, where does it come from and what do we use it for? Scientifically, electricity is the movement of electrons from one atom to another. This
More informationElectric Current- Hewitt Lecture
Energy/Charge= Voltage Joules/Coulomb Electrical Pressure Current ~ Voltage Difference Electric Current- Hewitt Lecture Analogy: Water in a pipe with a piston at each end. 5 lbs of pressure on one end.
More informationUNIT 3: GENErAL ELECTriCAL SySTEM DiAGNOSiS
Electrical/Electronic Systems UNIT 3: GENErAL ELECTriCAL SySTEM DiAGNOSiS LESSON 3: TEST electrical circuits I. Types of electrical circuit tests and electrical faults A. Different types of electrical
More informationGrade 11 Physical Science. ELECTRIC CIRCUITS - Sutherland High School-
Grade 11 Physical Science ELECTRIC CIRCUITS - Sutherland High School- What you should know already CURRENT ELECTRICITY Moving charge carried by moving electrons in a wire. CIRCUITS 1 3 Components of a
More informationLevel 3 Physics: Demonstrate understanding of electrical systems Batteries and Kirchoff s Laws - Answers
Level 3 Physics: Demonstrate understanding of electrical systems Batteries and Kirchoff s Laws - Answers In 03, AS 956 replaced AS 9053. The Mess that is NCEA Assessment Schedules. In AS 9053 there was
More informationPre-lab Quiz/PHYS 224 Ohm s Law and Resistivity. Your name Lab section
Pre-lab Quiz/PHYS 224 Ohm s Law and Resistivity Your name Lab section 1. What do you investigate in this lab? 2. When 1.0-A electric current flows through a piece of cylindrical copper wire, the voltage
More informationQuestion 2: Around the bar magnet draw its magnetic fields. Answer:
Chapter 13: Magnetic Effects of Electric Current Question 1: What is the reason behind the compass needle is deflected when it is brought close to the bar magnet? Compass needles work as a small bar magnet;
More information(d) The magnetic field lines, produced around a straight current-carrying conductor, are concentric circles. Their centres lie on the wire.
Page 240»Exercise» Question 1: Which of the following correctly describes the magnetic field near a long straight wire? (a) The field consists of straight lines perpendicular to the wire (b) The field
More informationPAPER ASSIGNMENT #1: ELECTRIC CIRCUITS Due at the beginning of class Saturday, February 9, 2008
PHYS 591 - Foundations of Science II By Richard Matthews PAPER ASSIGNMENT #1: ELECTRIC CIRCUITS Due at the beginning of class Saturday, February 9, 2008 Part I; Outline of the important elements of the
More informationPHYSICS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits
PHYSCS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits This experiment is designed to investigate the relationship between current and potential in simple series
More informationINVESTIGATION ONE: WHAT DOES A VOLTMETER DO? How Are Values of Circuit Variables Measured?
How Are Values of Circuit Variables Measured? INTRODUCTION People who use electric circuits for practical purposes often need to measure quantitative values of electric pressure difference and flow rate
More informationSpecial resistors. Book page Syllabus
Special resistors Book page 84 87 Syllabus2.12 2.13 Multiple-choice quiz What am I? LDR, LED or thermistor? Starter LDR s and thermistors are both types of resistor which can change their resistances.
More informationClass X Chapter 09 Electrical Power and Household circuits Physics
EXERCISE- 9 (A) Question 1: Write an expression for the electrical energy spent in flow of current through an electrical appliance in terms of current, resistance and time. Solution 1: Electrical energy,
More informationConceptual Physics Electricity and Circuits Practice Exam 2011
Name: Class: Date: Conceptual Physics Electricity and Circuits Practice Exam 2011 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. In order to form an electric
More informationSection 4: Voltage. The EMF, ideal voltage or open circuit voltage is defined as the energy per unit charge developed within a source.
Section 4: Voltage As electrons are moved within the cell by the electrolyte, work is done on the electrons. This work is stored as potential energy in the electrons. In other words, they have the ability
More informationEPSE Project 1: Sample Diagnostic Questions - Set 2
EPSE Project 1: Sample Diagnostic Questions - Set 2 Electric current These questions all probe pupils understanding of the idea of electric current as a conserved quantity, i.e. as something which goes
More informationOrdinary Level Physics SOLUTIONS: EFFECTS OF AN ELECTRIC CURRENT
Ordinary Level Physics SOLUTIONS: EFFECTS OF AN ELECTRIC CURRENT Safety Features and kilowatt hours The unit of energy is called the kilowatt hour One kilowatt hour is the amount of energy used by a 1000
More informationUnit 3 Lesson 3 Electric Circuits. Copyright Houghton Mifflin Harcourt Publishing Company
A Complete Circuit What are the parts of an electric circuit? An electric circuit is a complete, closed path through which electric charges can flow. All electric circuits contain three basic parts: an
More informationMandatory Experiment: Electric conduction
Name: Class: Mandatory Experiment: Electric conduction In this experiment, you will investigate how different materials affect the brightness of a bulb in a simple electric circuit. 1. Take a battery holder,
More informationV=I R P=V I P=I 2 R. E=P t V 2 R
Circuit Concepts Learners should be able to: (a) draw, communicate and analyse circuits using standard circuit symbols using standard convention (b) apply current and voltage rules in series and parallel
More information