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Physics
Physics
Problem
A uniform electric field having a magnitude
E
0
E_0
E
0
and direction along positive
x
x
x
-axis exists. If the electric potential
V
V
V
is zero at
x
=
0
x = 0
x
=
0
, then its value at
x
=
+
x
x = +x
x
=
+
x
will be: (a)
V
x
=
x
E
0
V_x = xE_0
V
x
=
x
E
0
(b)
V
x
=
−
x
E
0
V_x = -xE_0
V
x
=
−
x
E
0
(c)
V
x
=
x
2
E
0
V_x = x^2E_0
V
x
=
x
2
E
0
(d)
V
x
=
−
x
2
E
0
V_x = -x^2E_0
V
x
=
−
x
2
E
0
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