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

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

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

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

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (ωT)/60
Pmech = ωT
Pmech = (2πωT)
Pmech = (2πωT)/60

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SSC JE Electrical 2019 with solution SET-1
 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 7 and 14
1, 5 and 10
1, 4 and 8
1, 6 and 12

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