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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The main constituent of permalloy is

Tungsten
Chromium
Nickel
Cobalt

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Magnetism and Electromagnetism
What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m?

4 AT
16 AT
10 AT
8 AT

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Magnetism and Electromagnetism
When the north poles of two bar magnets are brought close together, there will be

a downward force
no force
a force of attraction
a force of repulsion

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Magnetism and Electromagnetism
For which of the following materials the net magnetic moment should be zero?

antiferrimagnetic materials
diamagnetic materials
ferrimagnetic materials
antiferromagnetic materials

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

susceptance
reluctance
permeance
residual magnetism

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

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

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MORE MCQ ON Magnetism and Electromagnetism

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