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Two points P and Q are maintained at the...

Two points P and Q are maintained at the potentials of 10V and -4V, respectively. The work done in moving 100 electrons from P to Q is:

A

` - 9 . 60 xx 10^(-17) J`

B

` - 9 . 60 xx 10^(-17) J`

C

` -2 . 24 xx 10^(-16) J`

D

` -2 . 24 xx 10^(-16) J`

Text Solution

Verified by Experts

The correct Answer is:
D
`W_(p rarr Q) |_(ext) =q (V_Q - V_p)`
`=- 1. 6 xx 10^(19) xx 100 (-4 - 10)`
`= 2 . 24 xx 10^(16) J`.
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