SSC JE Electrical 2018 with solution SET-1
 Power consumed by a balanced star connected 3-phase load is measured using the two-wattmeter method. The phase voltage and phase current in the load is 220V and 10 A respectively. What will be the difference in reading (in W) of the two wattmeters, if the power factor of the system is 0.8 Lagging?

2286.3
3048.4
2861.2
3810.5

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 A three-phase synchronous motor will have

No slip-rings
Three slip-rings
Two slip-rings
One slip-ring

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
In the synchronous motor, damper winding is placed at

Both Stator and Rotor
Stator
Rotor
Yoke

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 What will be the voltage (in V) across an 8H inductor, when the rate of change of current flowing through it is 0.5A/sec

2
6
8
4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP