Dear Student ,
Here is a link which will help you to solve this question with proper explanation .
https://www.meritnation.com/ask-answer/question/an-insulating-uniform-rod-of-mass-m-length-l-and-having-a-un/electrostatic-potential-and-capacitance/4772861
Regards
Here is a link which will help you to solve this question with proper explanation .
https://www.meritnation.com/ask-answer/question/an-insulating-uniform-rod-of-mass-m-length-l-and-having-a-un/electrostatic-potential-and-capacitance/4772861
Regards