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Standard XII
Physics
Question
The electric field at any point
(
x
,
y
,
z
)
is
(
8
x
−
3
)
^
i
−
(
8
x
−
3
)
^
i
−
8
x
^
i
8
x
^
i
A
−
(
8
x
−
3
)
^
i
B
(
8
x
−
3
)
^
i
C
−
8
x
^
i
D
8
x
^
i
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Solution
Verified by Toppr
V
=
4
x
2
−
3
x
→
E
=
−
∂
V
∂
x
^
i
−
∂
V
∂
y
^
j
−
∂
V
∂
z
^
k
Here,
∂
V
∂
x
=
8
x
−
3
And,
∂
V
∂
y
=
∂
V
∂
z
=
0
Hence,
→
E
=
−
(
8
x
−
3
)
^
i
Answer-(B)
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