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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Reciprocal of permeability is

Reluctivity
Susceptibility
conductance
Permeability

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Magnetism and Electromagnetism
The use of permanent magnets is. not made in

Loud speakers
Energy meters
Transformers
None of the listed here

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Magnetism and Electromagnetism
The main constituent of permalloy is

Nickel
Cobalt
Chromium
Tungsten

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Magnetism and Electromagnetism
The magnetism left in the iron after exciting field has been removed is known as

residual magnetism
permeance
reluctance
susceptance

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Magnetism and Electromagnetism
Magnetising steel is normals difficult because

it corrodes easily
it has high specific gravity
it has low permeability
it has high permeability

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

Ferromagnetic
Paramagnetic
Diamagnetic
None of the listed here

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MORE MCQ ON Magnetism and Electromagnetism

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