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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

0.01 N
100 N
10 N
0.1 N

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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
susceptance
reluctance

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

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

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Magnetism and Electromagnetism
The unit for reluctance is

Wb
At/m
At/Wb
tesla

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Magnetism and Electromagnetism
Magnetic moment is a

universal constant
pole strength
vector quantity
scalar quantity

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Magnetism and Electromagnetism
The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is

3,125 V
31.25 V
2,000 V
1,000 V

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MORE MCQ ON Magnetism and Electromagnetism

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