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Sir am not getting correct answer for this one.Please send all steps of this solution.

Sir am not getting correct answer for this one.Please send all steps of this solution.

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Grade:12

1 Answers

Eshan
askIITians Faculty 2095 Points
5 years ago
The electric field at a point is the derivative of potential at that point.

E=-\dfrac{dV}{dr}=-\dfrac{d(\dfrac{kp^r}{r^2})}{dr}

=-\dfrac{r^2(rkp^{r-1})-kp^r(2r)}{r^4}

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