The current required to be passed in a solenoid of length 10

Last updated: 6/10/2023

The current required to be passed in a solenoid of length 10 cm and number of turns 100 so that the magnet gets demagnetized when inside the solenoid is 3A The coercivity of a small magnet where the ferromagnet gets demagnetized is nx 10 A m Find the value of n