Question

The coercivity of a small magnet where the ferromagnet gets demagnetized is 3x10 Am-'. The
current required to be passed in a solenoid of length 10cm and number of turns 100, so that
the magnet gets demagnetized when inside the solenoid, is​

Answer 1

Answer:

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