A short solenoid of radius a number of turns per unit length

Last updated: 6/30/2023

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