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?

3048.4
2861.2
2286.3
3810.5

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SSC JE Electrical 2018 with solution SET-1
 What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

50
60
80
100

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SSC JE Electrical 2018 with solution SET-1
 If the field of a DC shunt motor gets opened while the motor is running, then the

The motor will attain the dangerously high speed
Armature will oscillate about original speed as the mean speed
Armature current will drop
Motor will become slow

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