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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

BLI
None of the listed here
BLI2
Zero

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Magnetism and Electromagnetism
The unit for permeability is

Wb
Wb/At × m
At/Wb
At/m

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Magnetism and Electromagnetism
Core of an electromagnet should have

High susceptibility
Both low coercivity and high susceptibility
Low coercivity
None of the listed here

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Magnetism and Electromagnetism
Gilbert is a unit of

magnetomotive force
electromotive force
conductance
permittivity

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Magnetism and Electromagnetism
For a given wire-wound core, an increase in current through the coil

Decreases the flux density
Reverses the flux lines
Increases the flux density
Causes no change in flux density

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Magnetism and Electromagnetism
The magnetic materials exhibit the property of magnetisation because of

spin of nucleus
either of these
orbital motion of electrons
spin of electrons

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MORE MCQ ON Magnetism and Electromagnetism

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