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

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

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To out in the capacitor during running conditions
To cut-off the starting winding at an appropriate instant
To protect the motor from overloading
To improve the starting performance of the motor

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SSC JE Electrical 2019 with solution SET-1
 What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

300 W
400 W
100 W
500 W

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SSC JE Electrical 2019 with solution SET-1
 Hysteresis loss is NOT a function of

Ambient temperature
Frequency
The volume of a material
Steinmetz co-efficient of material

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