Question

how much work is done in moving a charge of 4 coulomb across two points having potential difference of 12V? Calculate the number of electrons flowing in it

Answer 1

Hey Buddy

Here’s the answer

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# Word done for bringing a charge from one potential to another is given by

Work = Charge * Potential diff

Work = 4 * 12

Work = 48 Joules


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Now Second part

We know

1 electron = -1.6 * 10^(-19) C

So

1 C = 1 / 1.6 * 10^(-19)

Now for 4 C

4 C = 4 / 1.6 * 10^(-19) electrons


HOPE HELPED

PEACE :)

Answer 2

work = q × v

work = 4 × 12

work = 48 J

no of electron in 4 C charge

4/1.6 × 10^(-19 )

1/0.4 ×10^(-19 ) electrons