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IGCSE Physics - Electrical Circuits All Answers Correct

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IGCSE Physics - Electrical Circuits All Answers Correct 1. Power is measured in... - Watts (W) 2. Electromotive force (emf)... - The force that causes the motion of electrons due to a potential difference. 3. Resistance... - Opposes the flow of current; high resistance means low current if vo...

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  • July 9, 2024
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  • 2023/2024
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IGCSE Physics - Electrical Circuits All Answers Correct
1. Power is measured in...



- Watts (W)




2. Electromotive force (emf)...



- The force that causes the motion of electrons due to a potential difference.




3. Resistance...



- Opposes the flow of current; high resistance means low current if voltage remains constant.




4. Current in metals...



- In metals, current is the flow of negatively charged electrons.




5. Current is measured in...

, - Amperes (A) using an ammeter.




6. Ammeter...



- Symbolically represented as 'A', it is placed in series in a circuit.




7. Charge is measured in...



- Coulombs (C).




8. Voltage is measured in...



- Volts (V) using a voltmeter.




9. Series circuits...



- Have components connected one after another on the same loop of the circuit.

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