A) \[10\hat{j}\]
B) \[20\hat{j}\]
C) \[-16\hat{j}\]
D) \[30\hat{j}\]
Correct Answer: C
Solution :
\[\because \] \[V=4{{x}^{2}}\] So. \[E=-\frac{dV}{dr}=-8x\hat{i}\] Value of E at point (2m, 0, 1m) is \[E=-8\times 2=-16\hat{i}V{{m}^{-1}}\]You need to login to perform this action.
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