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The B(H) curve for a ferromagnetic mater...

The `B_(H)` 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 solenoid 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

Text Solution

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The correct Answer is:
A, B
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