SSC JE Electrical 2019 with solution SET-1
In the circuit shown, the pressure coils of two wattmeters are connected to

Y
R
Neutral Wire
B

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SSC JE Electrical 2019 with solution SET-1
 The amount of AC content present in the DC output of a rectifier is given by

Form factor
Peak factor
Ripple factor
Power factor

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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
0.637 × maximum value
0.5 × 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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