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A point charge +q is placed at the centr...

A point charge `+q` is placed at the centre of a conducting spherical shell of inner radius a and outer radius b. Find the charge appearing on the inner and outer surface of the shell.

A

Field at A is independent of the position of point charge q inside the cavity

B

Field at B is independent of the position of point charge q inside the cavity

C

Field at A is independent of the magnitude of point charge q

D

Field is B is independent of the magnitude of point charge q

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