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07-02-2022
Physics

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A lead-acid battery of 12V e.m.f. is supplying a current of 10 A to some car headlamps. What is the rate of transfer of chemical energy to electrical energy?

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07-02-2022

Answer:

120s^-1

Explanation:

v=12v

I=10A

and since rate is with time, therefore rate=energy/time.

H=IV

10×12=120/s

therefore the rate is 120s^-1

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