Guest

a conducting sphere of radius a has a charge Q on it. It is enclosed by a neutral conducting concentric spherical shell having inner radius 2a and outer radius 3a. find electrostatic energy of system

a conducting sphere of radius a has a charge Q on it. It is enclosed by a neutral conducting concentric spherical shell having inner radius 2a and outer radius 3a. find electrostatic energy of system

Grade:11

1 Answers

Vikas TU
14149 Points
5 years ago
First write the Electric field due to each sphere.
E1 = E3 =0 {inside the inner conductor from 0 to a and from 2a to 3a in conducting shell)
E2 and E4 = kQ/r^2
Now,
dU =0.5e{ E2^r^2dr(a to 2a) + E4^2r^2dr (3a to inifinity)}
put E2 and E4 and thhen integearte.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free