Three concentric conducting spherical surfaces of radii R1, R2 and R3 – McqOptions

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1.	Three concentric conducting spherical surfaces of radii R1, R2 and R3 (R1 < R2 < R3) carry charges of 1, 2 and 4 coulombs respectively. The charges on the inner and outer surfaces of the outermost sphere will be respectively (in coulombs)
A.	0, 4
B.	3, 1
C.	3, 7
D.	2, 6
Answer» C. 3, 7

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