Tardigrade
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Tardigrade
Question
Physics
A and B are two thin concentric hollow conducting spheres of radii a and 2 a having charge 2 Q Q respectively if potential of outer sphere is 5 V then potential at inner sphere will be :
Q.
A
and
B
are two thin concentric hollow conducting spheres of radii a and
2
a
having charge
2
Q
&
Q
respectively if potential of outer sphere is
5
V
then potential at inner sphere will be :
2881
246
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A
20
V
20%
B
10
V
10%
C
3
25
V
60%
D
3
50
V
10%
Solution:
5
=
2
a
k
Q
+
2
a
k
2
Q
=
2
3
a
k
Q
a
k
Q
=
3
10
V
in
=
a
k
2
Q
+
2
a
k
Q
=
2
5
a
k
Q
=
2
5
×
3
10
=
3
25
volt