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Byju's Answer
Standard X
Physics
Ohm's Law
Electric pote...
Question
Electric potential due to a point charge of
1
9
p
C
at a distance
1
k
m
from its centre is:
A
0.1
V
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B
10
−
6
V
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C
10
6
V
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D
0
V
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Solution
The correct option is
B
10
−
6
V
Electric potential is given by
V
=
q
4
π
ϵ
o
r
=
k
q
r
where
k
=
1
4
π
ϵ
o
=
9
×
10
9
Hence,
v
=
9
×
10
9
×
1
9
×
10
−
12
1000
⟹
V
=
10
−
6
V
Answer-(B)
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0
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