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Magnetic Circuit

Magnetic Circuit
Reciprocal of reluctance is

Susceptibility
Reluctivity
Permeance
Permeability

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Magnetic Circuit
In a magnetic material hysteresis loss takes place primarily due to

Molecular friction
Flux density lagging behind magnetizing force
It high retentivity
Rapid reversals of its magnetization

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Magnetic Circuit
If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be

Zero
Large
None of the listed here
Small

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Magnetic Circuit
The relative permeability of a ferromagnetic material is

More than 100 Ωr 1000
More than 10
More than one
Less than one

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Magnetic Circuit
The unit of retentivity is

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

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Magnetic Circuit
Conductance is analogous to

Inductance
Reluctance
Permeance
Flux

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