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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Magnetic moment is a

scalar quantity
pole strength
universal constant
vector quantity

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Magnetism and Electromagnetism
If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density

doubles
increases
decreases
remains the same

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Magnetism and Electromagnetism
A permeable substance is one

which is a strong magnet
which is a good conductor
through which the magnetic lines of force can pass very easily
which is a bad conductor

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Magnetism and Electromagnetism
A permeable substance is one

Which is a bad conductor
Which is a good conductor
Through which the magnetic lines of force can pass very easily
Which is a strong magnet

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Magnetism and Electromagnetism
Magnetism of a magnet can be destroyed by

Heating
By inductive action of another magnet
Hammering
All of the listed here

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

conducting material
ferromagnetic material
diamagnetic material
paramagnetic material

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MORE MCQ ON Magnetism and Electromagnetism

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