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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. ` - 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` |
Answer» Correct Answer - 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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