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
100 W
300 W
400 W

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

10Ω
30Ω
40Ω
20Ω

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Chimney
Reactor
Economizer
Boiler

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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
Ripple factor
Power factor
Peak factor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 If an alternator is operating at unity power factor, then its terminal voltage is

Equal to the induced EMF, with zero voltage regulation
Less than the induced EMF, with negative regulation
Less than the induced EMF, with positive voltage regulation
Greater than the induced EMF, with negative voltage regulation

ANSWER DOWNLOAD EXAMIANS APP