Materials subjected to rapid reversal of magnetism should have

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

large area oiB-H loop

high co-ercivity and low density

high co-ercivity and high retentivity

high permeability and low hysteresis loss

Correct Answer : Option (D) : high permeability and low hysteresis loss

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

EEE MCQ's