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Problem
Problem
The electric potential
V
V
V
at any point
x
,
y
,
z
x, y, z
x
,
y
,
z
(all in metre) in space is given by
V
=
4
x
2
V = 4x^2
V
=
4
x
2
volt. The electric field at the point
(
1
m
,
0
,
2
m
)
(1\,\mathrm{m}, 0, 2\,\mathrm{m})
(
1
m
,
0
,
2
m
)
is ............V/m.
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