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Magnetism and Electromagnetism

Magnetism and Electromagnetism
What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2?

91 T
9.7 T
917 T
91.7 T

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Magnetism and Electromagnetism
The magnetism left in the iron after exciting field has been removed is known as

reluctance
residual magnetism
permeance
susceptance

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Magnetism and Electromagnetism
Magnetism of a magnet can be destroyed by

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

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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

BLI2
BLI
None of the listed here
Zero

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Magnetism and Electromagnetism
The unit for reluctance is

tesla
At/Wb
Wb
At/m

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Magnetism and Electromagnetism
The force between two long parallel conductors is inversely proportional to

Current in one conductor
Distance between the conductors
Product of current in two conductors
Radius of conductor

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MORE MCQ ON Magnetism and Electromagnetism

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