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Questions  

If a charged spherical conductor of radius 10 cm has potential V at a point distant 5 cm from its centre, then the potential at a point distant 15 cm from the centre will be

a
13·V
b
23V
c
32V
d
3 V

detailed solution

Correct option is B

Potential inside the sphere will be same as that on its surface i.e., V=Vsurface =q10 statvolt Also Vout =q15 statvolt ∴VoutV=23⇒Vout=23 V

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Similar Questions

Two spherical shells are as shown in figure.

Let r be the distance of a point from their common centre.  Then, match the following columns and mark the correct choice from the given codes.

 Column-I Column-II
i.Electric field for r < R1p.is constant for q2 and vary for q1
ii.Electric potential for r < R1q.is zero for q2 and vary for q1
iii.Electric potential for R1 < r <R2r.is constant
iv.Electric field for R1 < r <R2s.is zero

Codes:


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