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?

2861.2
3810.5
2286.3
3048.4

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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

800 W
300 W
350 W
450 W

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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
24
8.95
26.94

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SSC JE Electrical 2018 with solution SET-1
 Which of the following instrument can measure voltage resistance and current?

Wattmeter
Multimeter
Ammeter
Voltmeter

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SSC JE Electrical 2018 with solution SET-1
 Determine the voltage (in V) of a battery connected to a parallel plate capacitor (filled with air) when the area of the plate is 10 square centimeters, the separation between the plate is 5 mm and the charged stored on the plate is 20 pC

14.3
12.3
10.3
11.3

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SSC JE Electrical 2018 with solution SET-1
A circuit having the power factor of 0.8 consumes 40 W. What will be the value of reactive power (in VAR) of the circuit?

30
10
20
40

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MORE MCQ ON SSC JE Electrical 2018 with solution SET-1