Question:
A cylindrical air capacitor of length l inner radius R and
Last updated: 6/7/2023
![A cylindrical air capacitor of length l inner radius R and](https://media.kunduz.com/media/sug-question-candidate/20210602042719204189-3473445.jpg?h=512)
A cylindrical air capacitor of length l inner radius R and outer radius 2R is connected to a battery of emf E as shown in figure A particle of charge q and mass m is released from rest from inner surface of capacitor The speed of particle when it reaches to the mid point of plates is