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Grade: 12
        Sir am not getting correct answer for this one.Please send all steps of this solution.
10 months ago

Answers : (1)

Eshan
askIITians Faculty
1974 Points
							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}
6 months ago
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