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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials.

triangular
rectangular
circular
None of the listed here

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Magnetism and Electromagnetism
Magnetic moment is a

scalar quantity
vector quantity
universal constant
pole strength

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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
Ferrites are materials.

Ferromagnetic
Paramagnetic
None of the listed here
Diamagnetic

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Magnetism and Electromagnetism
The main constituent of permalloy is

Tungsten
Cobalt
Nickel
Chromium

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Magnetism and Electromagnetism
Strength of an electromagnet can be increased by

Increasing the cross-sectional area
Increasing the number of turns
Increasing current supply
All of the listed here

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MORE MCQ ON Magnetism and Electromagnetism

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