The electric potential V at any point (x, y, z), allĀ in meters in space is given by $V=4x_{2}$ volt. TheĀ electric field at the point (1, 0, 2) in volt/meterĀ is :

A

8 along positive X-axis

B

16 along negative X-axis

C

16 along positive X-axis

D

8 along negative X-axis

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Correct option is D)

As $V=4x_{2}$, so the electric field$E=ādxdVāi^=ā8xi^$ At $(1,0,2),E=8(1)(āi^)=8(āi^)$ Ans: (D)