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Magnetic Circuit

Magnetic Circuit
Conductance is analogous to

Permeance
Reluctance
Inductance
Flux

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Magnetic Circuit
An air gap is usually inserted in magnetic circuits to

Increase the flux
None of the listed here
Prevent saturation
Increase m.m.f.

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Magnetic Circuit
Permeability in a magnetic circuit corresponds to_________ in an electric circuit.

Resistance
Conductance
Resistivity
Conductivity

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Magnetic Circuit
The unit of retentivity is

Ampere turns
Weber
Weber/sq. m
Ampere turn/meter

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Magnetic Circuit
The property of a material which opposes the creation of magnetic flux in it is known as

Permeance
Reluctance
Reluctivity
Magneto-motive force

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Magnetic Circuit
Silicon steel is used in electrical machines because it has

Low coercivity
Low retentivity
Low hysteresis loss
High coercivity

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