Figure shows two conducting thin concentric shells of radii 
and 3r. The outer shell carries charge 
. Inner shell is neutral. Find the charge that will flow from inner shell to earth after the switch 
is closed.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
be the charge on inner shell when it is earthed.
charge will flow from inner shell to earth.
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