A solid conducting sphere of radius a has a net positive charge 2Q. A conducting spherical shell of inner radius 
and outer radius c is concentric with the solid sphere and has a net charge – Q. The surface charge density on the inner and outer surfaces of the spherical shell will be
A
B
C
D
None of the above
Text Solution
Verified by ExpertsThe correct answer is:
A
Surface charge density ( σ σ ) 
So 
and 
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