SSC JE Electrical 2018 with solution SET-1
 Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

16
12
10
14

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SSC JE Electrical 2018 with solution SET-1
 In cables, the thickness of the layer of insulation on the conductor depends upon

Power Factor
Voltage
Current carrying capacity
Reactive Power

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SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

350 W
300 W
450 W
800 W

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SSC JE Electrical 2018 with solution SET-1
 A three-phase synchronous motor will have

Two slip-rings
One slip-ring
No slip-rings
Three slip-rings

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following is a passive element to an electric circuit?

Current source
Resistors
Battery
Voltage source

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