Figure shows a system of three concentric metal shells A, B and C with – McqOptions

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1.	Figure shows a system of three concentric metal shells A, B and C with radii a, 2a and 3a respectively. Shell B is earthed and shell C is given a charge Q. Now if shell C is connected to shell, A then the final charge on the shell B, is equal to
A.	-4Q/3
B.	-8Q/11
C.	-5Q/3
D.	-3Q/7
Answer» C. -5Q/3

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