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MAGNETIC CIRCUIT

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

Current density
Conductivity
E.M.F
Current

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

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

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Magnetic Circuit
The unit of magnetic flux is

Weber
Ampere-turn/weber
Ampere/metre
Henry

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

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

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Magnetic Circuit
Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity.

High, low
Low, low
High, high
Low, high

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