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Byju's Answer
Standard XII
Physics
Potential Gradient and Relation between Electric Field and Potential
Potential as ...
Question
Potential as a function of position in a region is given by
V
=
x
2
−
5
x
+
6
, find
|
→
E
|
where V = 0
A
2
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B
4
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C
3
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D
1
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Solution
The correct option is
D
1
V
=
0
=
x
2
−
5
x
+
6
,
V
=
0
a
t
x
=
2
,
3
E
(
x
)
=
−
d
d
x
(
V
)
=
−
d
d
x
(
x
2
−
5
x
+
6
)
=
−
2
x
+
5
→
E
at x =2 or x = 3 is 1, -1
|
→
E
|
=
1
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Q.
Potential as a function of position in a region is given by
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, find
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