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Shown in the figure a spherical shell wi...

Shown in the figure a spherical shell with an inner radius 'a' and an outer radius 'b' is made of conducting metarial. A charge +Q is placed at the centre of the spherical shell and a total charge -q s placed on the shell. Charge -q is districuted on the surfaces as :

A

`-Q` on the inner surface, -q on outer surface

B

`-Q` on the ineer surface, -q +Q on the outer surface

C

`+Q` on the inner surface, -q-Q on the outer surface

D

The charge -q is spread uniformly between the inner and outer surface

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Both question a and b refer to the sustem of charges as shown in the figure. A spherical shell of conducting material. A point charge +Q is place at the centre of the spherical shell and a total charge -q is placed on the shell. A Charge -q id distributed on the surfaces as . (b) Assume that the elctrostatic potential is zero at an infinite distance from the spherical shell . The electrostatic potential at a distance R (a lt R lt b) from the centre of the shell is .

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