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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The relative permeability of materials is not constant.

None of the listed here
Ferromagnetic
Paramagnetic
Diamagnetic

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Magnetism and Electromagnetism
Which of the following is a vector quantity?

Magnetic field intensity
Flux density
Relalative permeability
Magnetic potential

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Magnetism and Electromagnetism
What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it?

18.75 At
30 At
187 At
300 At

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Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

KT3 and 1CT6
1CT3 and 1CT7
10"2 and KT5
KT4 and KT8

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Magnetism and Electromagnetism
The Biotsavart's law is a general modification of

Lenz's law
Kirchhoff's law
Faraday's laws
Ampere's law

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Magnetism and Electromagnetism
Degaussing is the process of

Demagnetising metallic parts
Remagnetising metallic parts
Removing gases from the materials
Removal of magnetic impurities

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MORE MCQ ON Magnetism and Electromagnetism

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