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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?

4 AT
8 AT
16 AT
10 AT

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Magnetism and Electromagnetism
The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength?

250 AT/m
2500 AT/m
0.25 AT/m
25 AT/m

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Magnetism and Electromagnetism
A material which is slightly repelled by a magnetic field is known as

paramagnetic material
conducting material
ferromagnetic material
diamagnetic material

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Magnetism and Electromagnetism
The stray line of magnetic flux is defined as

A line of magnetic flux in a non-uniform field
A line of magnetic flux which does not follow the designed path
A line vertical to the flux lines
The mean length of a ring shaped coil

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Magnetism and Electromagnetism
Tesla is a unit of

Flux
Flux density
Field strength
Inductance

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Magnetism and Electromagnetism
Temporary magnets are used in

All of the listed here
Loud speakers
Generators
Motors

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MORE MCQ ON Magnetism and Electromagnetism

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