Physics (AS & A Level) · Oct / Nov 2017 · Paper 12 · Question 19

During refuelling, a petrol car receives 50 litres of fuel in 90 seconds. The petrol has 34 MJ of energy per litre. For an electric car to receive the same amount of energy in the same time from a 230 V supply, what is the minimum current required?

1. A2700 A
2. B$8.2 \times 10^4$ A
3. C$7.4 \times 10^6$ A
4. D$6.6 \times 10^8$ A

As printed in the paper