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Magnetic Circuit

Magnetic Circuit
Reciprocal of reluctance is

Permeance
Reluctivity
Susceptibility
Permeability

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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

Large
Zero
Small
None of the listed here

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Magnetic Circuit
The unit of magnetic flux is

Weber
Henry
Ampere-turn/weber
Ampere/metre

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Magnetic Circuit
Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it

Leads to their increased weight
Increases their cost of manufacture
Lowers their power efficiency
Produces fringing

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Magnetic Circuit
While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit?

Conductivity
E.M.F
Current density
Current

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Magnetic Circuit
Laminated cores, in electrical machines, are used to reduce

Eddy current loss
Hysteresis loss
All of the listed here
Copper loss

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