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Magnetism and Electromagnetism

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
0.01 N
100 N
0.1 N

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Magnetism and Electromagnetism
What is the mmf of a wire with 8 turns carrying three amperes of current?

0.24 AT
24 AT
2.4 AT
240 AT

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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

Is zero
None of the listed here
Decrease
Increase

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Magnetism and Electromagnetism
Reciprocal of permeability is

Reluctivity
Permeability
Susceptibility
conductance

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Magnetism and Electromagnetism
When a solenoid is activated, the force that moves the plunger is

a steady current
an electromagnetic field
a permanent magnetic field
varying voltage

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Magnetism and Electromagnetism
Temporary magnets are used in

Motors
All of the listed here
Loud speakers
Generators

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MORE MCQ ON Magnetism and Electromagnetism

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