1.

Three concentric charged metallic spherical shells A, B and C have radii a,b and c, charge densities sigma,-sigma and sigma and potentials V_A,V_B and V_C respectively. Then which of the following relations is correct?

Answer»

`V_A=((a+B+c)SIGMA)/epsilon_0`
`V_B=(([(a^2//b)-b+c])sigma)/epsilon_0`
`V_C=([(a^2+b^2)//c+c]sigma)/epsilon_0`
`V_A=V_B=V_C=((a-b+c)sigma)/epsilon_0`

ANSWER :B


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