Physics (AS & A Level) · Feb / March 2016 · Paper 12 · Question 37

The battery of a car has an internal resistance of 0.10 Ω and an electromotive force of 12 V. When the battery is connected to the starter motor, the potential difference across the battery terminals is 7.0 V. What is the current supplied to the starter motor?

1. A50 A
2. B70 A
3. C120 A
4. D190 A

As printed in the paper