We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byDesirae Rasbury
Modified over 2 years ago
S2 Electricity and circuits Revision Quiz To begin click the button below
Instructions You will see a series of questions on the last topic Click on the answer you think is correct Some pages use underlined answers, some use buttons or pictures
Question 1 If a substance allows electricity to flow through it, we call it … An Insulator A Conductor Electrical
Unlucky! Sorry that’s not correct, try again. If you want to start again, go back to the start page
Well Done! That’s right, if a substance can carry electricity we call it a conductor. A substance that can’t carry electricity is called an insulator.
Question 2 In this series circuit below, if one bulb goes out, the other bulb Goes Out Blows Gets brighter
Well Done! That’s right, in a series circuit, if one component breaks, all the others will go out too.
Question 3 In a parallel circuit like the one below, if one bulb blows, the others stay on, this is because The bulbs need less energy to work There is another path for current to flow
Well Done! That’s correct, in a PARALLEL circuit, there is more than one path for the current to flow Also, if one component breaks, the rest stay on
Question 4 If you increase the number of bulbs in a series circuit, the bulbs will Get dimmer Stay the same brightness Get brighter
Well Done! That’s right, in a SERIES circuit, adding more bulbs makes them dimmer In a PARALLEL circuit, adding more bulbs has no effect on their brightness
Question 5 Which meter is used to measure current? AmmeterOhm meter Voltmeter
Well Done! That’s right, we use an ammeter to measure current Current is measured in amperes or amps (A)
Question 6 Which Diagram shows the correct way to connect an ammeter?
Well Done! Ammeters must be connected in series Increasing the current will give a bigger reading on the ammeter and make a bulb brighter
Question 7 Voltage is the amount of energy carried by the charges round the circuit We measure voltage using what? Voltmeter ammeter ohmmeter
Well Done! We use a voltmeter to measure voltage We connect a voltmeter across a component – in parallel
Question 8 Current is related to resistance, if you have a high current you will have Low resistance High resistance
Well Done! High current = Low resistance Low current = high resistance
What unit is current measured in? Amps Volts Ohms
Correct! That was an easy one…. Current is measured in Amps with the unit symbol A Click to continue
No! Volts is the unit of measure of the voltage! Try again
Incorrect! Ohms is not a measure of current… it’s the measure of resistance Try again
The circuit below shows two bulbs in ? Series Parallel
Correct! The bulbs are connected in series with each other.
Wrong! The bulbs are connected in a single continuous circuit… a series circuit!
In the circuit below which bulbs will be lit when the switch is open? In the circuit below which bulbs will be lit when the switch is open? Both bulbs Bulb 1 only Neither bulb
No… If the switch is open there is not a complete circuit and so no current will flow. Neither bulb will light Neither bulb will light
Good! If the switch is open there is no current flowing so neither bulb will light. Carry on…
If the reading on ammeter 1 is 1A what will be the reading on ammeter 2 if the bulbs are considered identical? 0A 1A 0.5A
Incorrect! In a series circuit the current is the same at all points Try again..
Correct! The current measured at any point will be the same in a series circuit. Continue..
What is the reading on the voltmeter if the bulbs are identical? 18V9V 4.5V
In a series circuit if the bulbs are identical the battery voltage will be divided evenly between them.. Try again
Well done! The battery voltage of 9V will be split evenly between the two bulbs. Carry on..
In the parallel circuit below, with identical resistors, what will be the reading on the voltmeter? 6V 12V 3V
Yes! The voltage across each branch of the circuit will be equal to the battery voltage. Continue
Oops! Remember the voltage across each branch of a parallel circuit is equal to the battery voltage. Try again
If all the resistors are identical what will be the reading on the ammeter? 3A 9A 1A
For the same circuit what will be the reading on the voltmeter? 4V 36V12V
Incorrect! The sum of currents in the branches will equal the current drawn from the supply.
Correct! The sum of currents in the branches equal the supply current so the current in each branch must be 1 amp. Continue
No!! In a parallel circuit the voltage across each branch equals the battery voltage! Try again
Very good! The voltage across the resistor must equal the battery voltage.. 12V Carry on..
How could you increase the strength of an electromagnet ? Decrease the current through the wires Increase the number of coils around the core Remove the core
That’s wrong !! Without a core the electromagnet would not work Decreasing the current would decrease its strength Try again
Very good! The electromagnet’s strength is increased by increasing the number of coils
Congratulations!! You’ve finished the quiz! You can do the quiz again if you want Revise to be prepared for your test Start againEnd
Electric Circuits and Power Page 706. Ohm’s Law Resistance is equal to the voltage divided by the current. Resistance = Voltage Current Ohms ( ) = Volts.
-Shakil Raiman. Conductor Insulator Current Measuring Current Voltage Measuring Voltage.
Electric Circuits. Ohm’s Law Current, voltage, and resistance are related to one another. The relationship among resistance, voltage, and current is summed.
ELECTRICAL CIRCUITS. The CELL The cell stores chemical energy and transfers it to electrical energy when a circuit is connected. When two or more cells.
Circuit = Complete path where electrons can flow Circuit diagram symbols: Wire/Conductor Resistor (light bulbs, fans) Battery Switch.
Electrical circuits. Intensity (I): Number of charges that flow past a given point every second. Measured in Amperes (A). Wires that carry the electrical.
© Boardworks Ltd 2003 lamps This is a simple series circuit. In a simple series circuit, everything is connected in one loop across the terminals of the.
Created by Terri Street Copyright, 2000 1,000,0001,000,000 500,000500,000 250,000250,000 125,000125,000 64,00064,000 32,00032,000 16,00016,000.
energypushingDef : the energy or pushing force available to move electrons through a circuit Unit: volt (V) Symbol: V Measured using an instrument called.
S.MORRIS 2006 ELECTRICAL CIRCUITS More free powerpoints at
ELECTRICAL CIRCUITS. What is an electric current? Electric Current - a flow of electrons from the (+) terminal to the (-) terminal of a cell/battery through.
CURRENT ELECTRICITY Characteristics of Current Electricity.
Circuits & Circuit Diagrams Circuits and Circuit Diagrams Circuit = Complete path along which electrons can flow When drawing circuits…use the following.
Circuit Basics and Ohms Law. Types of Circuits There are two basic types of circuits SeriesParallel.
Current Electricity. Electricity Static Is stationary E.g. Brush your hair Wool socks in tumble drier Current Flows around circuit E.g. turn on light.
Electricity Jeopardy Circuits 1 Circuits 2 Electric Current OhmExtra Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.
© Boardworks Ltd of 20 © Boardworks Ltd of 34 KS3 Physics 9I Energy and Electricity.
Current Electricity. An electrical current is a flow of charged particles (electrons or ions) through a circuit.
Chapter 13 Physics A First Course Electricity. Electricity Electric Circuits 13.1 Electric Circuits 13.2 Current and Voltage 13.3 Resistance and Ohm's.
2.4. A practical way to describe a circuit is to draw a circuit diagram Uses standard symbols to represent the components and their connections.
Welcome to Physics Jeopardy Chapter 18 Final Jeopardy Question Equivalent Resistance 100 Complex circuits Misc Parallel.
Is this a series circuit or a parallel circuit? Will the bulbs light up in a closed circuit? Will the bulbs light up in an open circuit? If a bulb goes.
Bellringer Restate Ohm’s Law as 3 different mathematical equations. Resistance = Voltage/Current Voltage = Current X Resistance Current = Voltage/Resistance.
Do Now What work is required to move 7 coulombs of charge through a potential difference of 3 volts?
Electrical Definitions Circuit Drawing Parallel Circuits Series Circuits Miscellany
ELECTRICAL CIRCUITS. Ohm’s Law I = V / R Georg Simon Ohm ( ) I= Current (Amperes) (amps) V= Voltage (Volts) R= Resistance (ohms)
Voltage and resistance in a circuit
P5 – Electric Circuits. Static Electricity When two objects are rubbed together and become charged, electrons are transferred from one object to the other.
Task : Copy and fill in the blanks Electrons are ………….. charged sub-atomic particles. They move around the circuit through ……………. materials such as metal.
Electricity and Electrical Circuits. Chapter Sections O 1 - Electrical Circuits O 2 - Current and Voltage O 3 - Resistance and Ohm’s Law.
ELECTRICITY REVIEW. Charges There are two types of charges- what are they? Positive and Negative Where do positive charges come from? Protons.
Series and Parallel Circuits Making Electricity Work for Us.
© Boardworks Ltd of 34 KS4 Physics Electric Circuits.
© Boardworks Ltd of 20 © Boardworks Ltd of 45 KS3 Physics 7J Electrical Circuits.
Series, Parallel, and Series- Parallel Circuits chapter 25.
Current Electricity 1. What is Electric Current? Electric current is the flow of electricity through a conductor. The current is caused by the movement.
ELECTRICAL CIRCUITS All you need to be an inventor is a good imagination and a pile of junk. -Thomas Edison.
Electrical Circuits. Energy transfer in circuits Energy cannot be created or destroyed. In all devices and machines, including electric circuits, energy.
© Boardworks Ltd of 20 © Boardworks Ltd of 41 KS3 Physics 7J Electrical Circuits.
Electric Charges and Static Electricity Two types of charges are positive and negative. ( + - ) Positive charged particles are called protons, negative.
© Boardworks Ltd of 20 © Boardworks Ltd of 40 The unit of measure for current is the amp, which has the symbol A. A Measuring current AA.
© Boardworks Ltd 2003 A circuit is like a central heating system in a house: Boiler and pump radiator High pressure low pressure There is a pump that pushes.
Electric Circuits 7 th Grade Science. Circuits Circuits are made up of wires and electrical parts such as batteries, light bulbs, motors and switches.
Aim: Recognise that current will not flow around an incomplete circuit. Identify a range of materials that allow a current of electricity to flow around.
Electric Charges and Static Electricity Two types of charges are positive and negative. ( + - ) Static electricity is the build up of charges on an object.
Science 9 Electricity Review Ohm’s Law Circuits.
QUICK WRITE: For 2 minutes, write in your IAN explaining where electric charges come from and why. Rules - You MUST write for the entire time, even.
© 2017 SlidePlayer.com Inc. All rights reserved.