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?

500 W
300 W
400 W
100 W

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

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SSC JE Electrical 2019 with solution SET-1
 The Norton’s current in the circuit shown below is

2A
4A
120A
12A

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

Economizer
Reactor
Chimney
Boiler

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