Indicate which of the following material does not retain magnetism permanently. Options: A . &nbspSoft iron B . &nbspStainless steel C . &nbspHardened steel D . &nbspNone of the above

Indicate which of the following material does not retain magnetism permanently.

Question

Indicate which of the following material does not retain magnetism permanently.

Options:

A . Soft iron

B . Stainless steel

C . Hardened steel

D . None of the above

Answer: Option A

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Question 1. The relative permeability is less than unity is case of....

Question 2. The magnetomotive force is....

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Question 4. A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux ....0.8 T ; the force on the conductor will be

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Question 8. Reciprocal of permeability is....

Question 9. Susceptibility is positive for....

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