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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Which of the following is not a unit of flux?

Weber
Tesla
Maxwell
All of the listed here

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Magnetism and Electromagnetism
The main constituent of permalloy is

Chromium
Nickel
Cobalt
Tungsten

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Magnetism and Electromagnetism
The ability of a material to remain magnetized after removal of the magnetizing force is known as

retentivity
permeability
hysteresis
reluctance

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Magnetism and Electromagnetism
Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be

0.1 N
0.01 N
10 N
100 N

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Magnetism and Electromagnetism
Tesla is a unit of

Flux
Inductance
Flux density
Field strength

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Magnetism and Electromagnetism
When the current through the coil of an electromagnet reverses, the

magnetic field expands
magnetic field collapses
direction of the magnetic field remains unchanged
direction of the magnetic field reverses

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MORE MCQ ON Magnetism and Electromagnetism

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