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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?

E.M.F
Current
Current density
Conductivity

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

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

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Magnetic Circuit
The unit of magnetic flux is

Ampere/metre
Weber
Ampere-turn/weber
Henry

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

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

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

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

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