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Magnetism and Electromagnetism

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

permeance
susceptance
residual magnetism
reluctance

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Magnetism and Electromagnetism
If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage

Increase
None of the listed here
Decrease
Is zero

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Magnetism and Electromagnetism
The main constituent of permalloy is

Tungsten
Cobalt
Chromium
Nickel

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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

10 N
0.1 N
100 N
0.01 N

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Magnetism and Electromagnetism
One telsa is equal to

1 Wb/m²
1 Wb/mm²
1 Wb/m
1 mWb/m²

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Magnetism and Electromagnetism
Susceptibility is positive for

non-magnetic substances
None of these
diamagnetic substances
ferromagnetic substances

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MORE MCQ ON Magnetism and Electromagnetism

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