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Magnetism and Electromagnetism

Magnetism and Electromagnetism
What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it?

300 At
30 At
18.75 At
187 At

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Magnetism and Electromagnetism
Substances which have permeability less than the permeability of free space are known as

Ferro magnetic material
Bipolar
Diamagnetic material
Paramagnetic material

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Magnetism and Electromagnetism
One telsa is equal to

1 mWb/m²
1 Wb/mm²
1 Wb/m²
1 Wb/m

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

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

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Magnetism and Electromagnetism
Reciprocal of permeability is

Permeability
conductance
Susceptibility
Reluctivity

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Magnetism and Electromagnetism
Which of the following is a ferromagnetic material?

Nickel
Copper
Aluminium
Tungsten

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MORE MCQ ON Magnetism and Electromagnetism

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