Physics (AS & A Level) · May / June 2019 · Paper 13 · Question 35

9702Potential difference and power

A wire supplying a shower heater with a current of 35 A has a resistance of 25 mΩ. What is the power dissipated in the wire?

1. A31 W
2. B49 W
3. C31 kW
4. D49 kW

As printed in the paper

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