Physics (AS & A Level) · May / June 2018 · Paper 11 · Question 17
An electrical generator is started at time zero. The total electrical energy generated during the first 5 seconds is shown in the graph. [graph: energy/J vs time/s, energy from 0 to 50 J, time 0 to 5 s] What is the maximum electrical power generated at any instant during these first 5 seconds?
- A10 W
- B13 W
- C30 W
- D50 W
As printed in the paper
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Correct answer: C. 30 W
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