a long hollow conducting cyilender is kept coaxially inside another long, hollow conducting cylynder of larger radius. both the cylyinders are initially electrically neutral.

Ans. A potential difference appears between the two cylinders when a charge density is given to the inner cylinder.

please explain the above

Dear vineet

Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you the answer and detailed
solution very  quickly.
 We are all IITians and here to help you in your IIT JEE  & AIEEE preparation.

 All the best.
 
Regards,
Askiitians Experts
Badiuddin