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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The ratio of intensity of magnetisation to the magnetisation force is known as

Flux density
Relatice permeability
None of the listed here
Susceptibility

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

paramagnetic material
ferromagnetic material
diamagnetic material
conducting material

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Magnetism and Electromagnetism
Temporary magnets are used in

Loud speakers
All of the listed here
Generators
Motors

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Magnetism and Electromagnetism
Degaussing is the process of

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

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Magnetism and Electromagnetism
A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)?

180
270
360
90

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Magnetism and Electromagnetism
The uniform magnetic field is

None of the listed here
The field in which all lines of magnetic flux are parallel and equidistant
The field of a set of parallel conductors
The field of a single conductor

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MORE MCQ ON Magnetism and Electromagnetism

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