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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Susceptibility is positive for

diamagnetic substances
None of these
ferromagnetic substances
non-magnetic substances

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Magnetism and Electromagnetism
Which of the following is expected to have the maximum permeability ?

Copper
Brass
Ebolite
Zinc

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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?

8 AT
4 AT
10 AT
16 AT

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

187 At
30 At
18.75 At
300 At

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Magnetism and Electromagnetism
The direction of a magnetic field within a magnet is

from north to south
back to front
from south to north
front to back

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

conducting material
diamagnetic material
paramagnetic material
ferromagnetic material

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MORE MCQ ON Magnetism and Electromagnetism

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