SSC JE Electrical 2018 with solution SET-1
 Calculate the phase angle between the voltage and current phasor of a series RL circuit having the resistance of 65 Ohms and Inductive reactance of 37.53 ohms when supplied by a frequency of 60 Hz

45°
60°
15°
30°

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SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

350 W
300 W
800 W
450 W

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SSC JE Electrical 2018 with solution SET-1
 Scott connections are used for

Any of the above
Three-phase to two-phase transformation
Three Phase to Single Phase transformation
Single-phase to three-phase transformation

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SSC JE Electrical 2018 with solution SET-1
 A 3-phase star connected system is supplied by a line voltage of 440 V. The value of the current is 50 A. What is the power (in kW) consumed by the system, if the current lags the voltage by 45 degrees?

47
26.94
24
8.95

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

About 5 to 7 W power
About 15 to 20 W power
No power
About 25 to 30 W  Power

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