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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Tesla is a unit of

Flux
Field strength
Flux density
Inductance

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Magnetism and Electromagnetism
Reciprocal of permeability is

Permeability
conductance
Reluctivity
Susceptibility

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Magnetism and Electromagnetism
Air gap has_______eluctance as compared to iron or steel path

higher
little
zero
lower

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Magnetism and Electromagnetism
The stray line of magnetic flux is defined as

The mean length of a ring shaped coil
A line vertical to the flux lines
A line of magnetic flux which does not follow the designed path
A line of magnetic flux in a non-uniform field

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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
Zero
None of the listed here
BLI

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Magnetism and Electromagnetism
A keeper is used to

Restore lost flux
Amplify flux
Provide a closed path for flux
Change the direction of magnetic lines

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MORE MCQ ON Magnetism and Electromagnetism

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