Q 62 A tightly wound solenoid of length and cross sectional

Last updated: 6/12/2023

Q 62 A tightly wound solenoid of length and cross sectional area A is partly inserted co axially into another tightly wound solenoid of length and cross section l A A The centres of the two solenoids are separated by x Assume that A x A 1 Calculate the total magnetic field energy inside the solenoid when both of them carry same current I in the same sense Number of turns in each solenoid is N