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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

KT3 and 1CT6
KT4 and KT8
1CT3 and 1CT7
10"2 and KT5

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

Nickel
Tungsten
Aluminium
Copper

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Magnetism and Electromagnetism
The unit for permeability is

At/m
Wb/At × m
At/Wb
Wb

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Magnetism and Electromagnetism
Materials subjected to rapid reversal of magnetism should have

High permeability and low hysteresis loss
High co-ercivity and high retentivity
High co-ercivity and low density
Large area of B-H loop

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Magnetism and Electromagnetism
Strength of an electromagnet can be increased by

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

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Magnetism and Electromagnetism
Tesla is a unit of

Field strength
Flux density
Inductance
Flux

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MORE MCQ ON Magnetism and Electromagnetism

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