Physics · Oct / Nov 2020 · Paper 12 · Question 30
A car battery delivers 150 kC to a circuit before it needs recharging. Two headlamps connected in parallel to the battery are switched on. There is a current of 4.0 A in each lamp. How much time passes before the battery needs recharging?
- A2.6 hours
- B5.2 hours
- C7.8 hours
- D10.4 hours
As printed in the paper
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Correct answer: B. 5.2 hours
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