3 A short solenoid of radius a number of turns per a very

Last updated: 6/20/2023

3 A short solenoid of radius a number of turns per a very long solenoid of radius b number of turns per unit length n and length L is kept coaxially inside unit length 1 What is the mutual inductance of the system a b n L c n n L b a n n L d b n n L 88