Physics (AS & A Level) · Oct / Nov 2020 · Paper 13 · Question 34
9702Potential difference and power
A student describes potential difference as the energy transferred per unit charge. Which statement about the energy transfer is correct?
- AIt is from electrical energy into other forms.
- BIt is from other forms into electrical energy.
- CIt only takes place inside a power supply.
- DIt only takes place inside resistors.
As printed in the paper
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Correct answer: A. It is from electrical energy into other forms.
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