SSC JE Electrical 2019 with solution SET-1
 If an alternator is operating at unity power factor, then its terminal voltage is

Less than the induced EMF, with negative regulation
Greater than the induced EMF, with negative voltage regulation
Less than the induced EMF, with positive voltage regulation
Equal to the induced EMF, with zero voltage regulation

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SSC JE Electrical 2019 with solution SET-1
 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Meter per second
Square meter per second
Meter per hour
Cubic meter per second

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SSC JE Electrical 2019 with solution SET-1
 Which of the following is the correct relation regarding coupled coils?

M ≤ (L1L2)0.5
M > (L1L2)0.5
M = (L1 − L2)/2
M = (L1 + L2)/2

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