The electric potential at any point x,y ...

The electric potential at any point `x,y an z` in metres is given by `V = 3x^(2)`. The electric field at a point `(2,0,1)` is

A

`12 " Vm"^(-1)`

B

`-6 " Vm"^(-1)`

C

`6 " Vm"^(-1)`

D

`-12 " Vm"^(-1)`

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The correct Answer is:

D

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