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Magnetism and Electromagnetism

Magnetism and Electromagnetism
What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m?

10 AT
4 AT
8 AT
16 AT

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Magnetism and Electromagnetism
The relative permeability is less than unity is case of

Paramagnetic material
Diamagnetic material
Ferromagnetic material
Ferrits

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Magnetism and Electromagnetism
Which of the following type of materials are not very important for engineering applications?

Diamagnetic material
Paramagnetic material
None of the listed here
Ferro magnetic material

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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
2,000 V
31.25 V
1,000 V

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

Weber
Maxwell
All of the listed here
Tesla

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Magnetism and Electromagnetism
How does the magnetic compass needle behave in a magnetic field?

It assures a position which follows a line of magnetic flux
It assures a position right angle to magnetic field
None of the listed here
It starts rotating

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MORE MCQ ON Magnetism and Electromagnetism

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