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Magnetism and Electromagnetism

Magnetism and Electromagnetism
A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be

Zero
BLI
None of the listed here
BLI2

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Magnetism and Electromagnetism
Magnetism of a magnet can be destroyed by

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

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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

decreases
doubles
remains the same
increases

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Magnetism and Electromagnetism
The induced voltage across a stationary conductor in a stationary magnetic field is

decreased
zero
reversed in polarity
increased

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

circular
None of the listed here
rectangular
triangular

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