Choose the correct answer

The BH curve for a ferromagnetic material is shown in the figure. The material is placed inside a long solenoid which contains 1000 turns/cm. The current that should be passed in the solenonid to demagnetize the ferromagnet completely is

- (a) 1.00 m A(milli ampere)

- (b) 1.25 mA

- (c) 1.50 mA

- (d) 1.75 mA

Correct Answer:

(b) 1.25 mA

0

Answered on 29/10/2020 at 12:39PM by Thamizh