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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. `-2.24xx10^(-16) J`
B. `2.24xx10^(-16)J`
C. `-9.60xx10^(-17) J`
D. `9.60xx10^(-17) J`

1 Answer

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Best answer
Correct Answer - B
`q=-100xx1.6xx10^(-19) C`
`DeltaV=-14` volt
`W=qDeltaV=2.24xx10^(-16)J`

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