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
3810.5
2861.2

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
In a synchronous Motor, the damping winding is generally used to

Reduces the eddy current
Provide starting torque
Prevent hunting and provide starting Torque
Reduces the Noise Level

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by means of a

Magnetic Relay
Thermal Relay
Centrifugal Switch
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 Which one of the following statement is TRUE?

Kirchhoff’s Law is not applicable to the circuit with the passive elements
Kirchhoff’s Law is not applicable to the circuit with the non-Linear resistance.
Kirchhoff’s Law is not applicable to the circuit with the non-Linear resistance
Kirchhoff’s Law is not applicable to circuits with the distributed elements

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 Tellegen’s theorem is based on the principle of law of_______

Conservation of Velocity
Conservation of Mass
Conservation of charge
Conservation of Energy

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
The welding electric circuit is______

Always Earthed
Never Earthed
Through cables Only
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP