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JE 2019 || Day 5 || Magnetic Circuits Quiz 2

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Question 1

What are the materials which exhibit electric polarization even in the absence of an applied electric field called?

Question 2

For paramagnetic material, the relative permeability is

Question 3

Materials, whose resistivity at very low temperature plunges from a finite value to zero and remains there upon further cooling,are known as

Question 4

As temperature falls below the transition temperature, the value of critical magnetic field of a superconductor

Question 5

A superconductor may be used for generating

Question 6

Materials in superconducting state have the property of

Question 7

The magnetic field required to reduce the residual magnetization to zero is called

Question 8

The relative permeability of a medium is equal to (with M = magnetization of the medium and H = magnetic field strength)

Question 9

A semiconductor differs from a conductor in that it has

Question 10

Specific resistance of copper fuse wire will be around:

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Apr 5ESE & GATE EE