Question

A sphere of radius 1 cm has potential of 10000V. The energy per unit volume near surface of a
sphere of radius 0.02 m and maintained at a potential of 10' V is.
(A) 1.1 x 10^5J/m
(B) 1.1 x 10²J/m
(C) 1.1 x 10^-5J/m
(D) 1.1 10^-2J/m​

Answer 1

Answer= 1.1× 10square

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