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  4. The potential is represented by v=4x2 volt. Calculate magnitude of the electric field at (.1m,0m,2m.)

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Q. The potential is represented by $v=4x^{2}$ volt. Calculate magnitude of the electric field at $\left(\right.1m,0m,2m\left.\right)$

NTA AbhyasNTA Abhyas 2020

Solution:

The potential is represented by $V=4x^{2}$
volt
$E=\frac{- d U}{d x}=-8x=-8\times 1=8Volt/m$