Electrostatics-Electrostatic Potential Energy (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 1 of 1

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Question number: 1

» Electrostatics » Electrostatic Potential Energy

Appeared in Year: 2014

MCQ▾

Question

Consider a spherical shell of radius R with a total charge + Q uniformly spread on its surface (center of the shell lies at the origin x = 0). Two point charge, +q and – q are brought, one after the other, from far away and placed at x=a2 and x=+a2(a<R) , respectively. Magnitude of the work done in this process is

Choices

Choice (4) Response

a.

q24πε0a

b.

Qq4πε0a

c.

(Q+q)24πε0a

d.

zero

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