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

Unity
Leading
Lagging
Zero

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

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

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SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Reflection factor
Waste light factor
Maintenance factor
Absorption factor

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