SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

400 W
800 W
1600 W
1200 W

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SSC JE Electrical 2019 with solution SET-1
_____ is NOT a component in a thermal power plant

Economizer
Chimney
Boiler
Reactor

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SSC JE Electrical 2019 with solution SET-1
 Two decimal coils A and B of 1000 turns each lies in the parallel plane such that 80% of the flux produced by one coil links with the other. If a current of 5A flowing in A produces a flux of 0.05 mWb, then the flux linking with coil B is:

0.04 mWb
0.4 mWb
4 mWb
0.004 mWb

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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 improve the starting performance of the motor
To cut-off the starting winding at an appropriate instant
To protect the motor from overloading

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