Calculate the electric potential at the point at distance of 5cm from charge on 5 microcoulomb
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Answer
Correct option is
C
4πε
0
1
6R
5q
Electric potential due to point charge =k
R
q
Electric potential due to inner surface of shell =−
2R
kq
and electric potential due to outer surface of shell =
3R
kq
V=k
R
q
−
2R
kq
+
3R
kq
=
R
kq
[1−
2
1
+
3
1
]
=
6R
k5q
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