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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The unit for reluctance is

tesla
At/Wb
Wb
At/m

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Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

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

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Magnetism and Electromagnetism
Magnetic moment is a

scalar quantity
vector quantity
pole strength
universal constant

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

Ferromagnetic
None of the listed here
Dielectric
Diamagnetic

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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
The direction of magnetic lines of force is

None of the listed here
From one end of the magnet to another
From south pole to north pole
From north pole to south pole

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MORE MCQ ON Magnetism and Electromagnetism

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