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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The materials are a bit inferior conductors of magnetic flux than air.

Diamagnetic
Dielectric
Ferromagnetic
None of the listed here

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Magnetism and Electromagnetism
A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be

M/4
M
M/2
2M

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Magnetism and Electromagnetism
Degaussing is the process of

Remagnetising metallic parts
Demagnetising metallic parts
Removal of magnetic impurities
Removing gases from the materials

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Magnetism and Electromagnetism
Fleming's left hand rule is used to find

Direction of flux in a solenoid
Direction of force on a current carrying conductor in a magnetic field
Polarity of a magnetic pole
Direction of magnetic field due to current carrying conductor

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Magnetism and Electromagnetism
The retentivity of material is useful for the construction of

Permanent magnets
Electromagnets
Non-magnetic substances
Transformers

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

Aluminium
Tungsten
Nickel
Copper

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MORE MCQ ON Magnetism and Electromagnetism

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