SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Leading
Lagging
Zero
Unity

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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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SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

0.5 × maximum value
√2 × maximum value
2 × maximum value
0.637 × maximum value

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SSC JE Electrical 2019 with solution SET-1
 The meter constant of an energy meter will be given in:

Revolutions/kWh
kWh/Revolutions
Revolutions/kW
kW/Revolutions

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