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

Electrical and Electronic Engineering (EEE) : Magnetism and Electromagnetism - Quiz(MCQ)

Soft iron

Stainless steel

Hardened steel

None of the above

Correct Answer : Option (A) : Soft iron

Recently Updated in Magnetism and Electromagnetism Questions

The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is

proportional to X

proportional to 7

inversely proportional to I

proportional to distance between the conductors

Correct Answer : proportional to X

Which of the following is a ferromagnetic material?

Copper

Nickel

Tungsten

Aluminium

Correct Answer : Nickel

A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be

Zero

BLI

B²LI

BLI²

Correct Answer : Zero

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