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?

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?

24

47

26.94

8.95

24

47

26.94

8.95

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

5.75

6.25

8.84

7.92

5.75

6.25

8.84

7.92

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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?

3810.5

2861.2

3048.4

2286.3

3810.5

2861.2

3048.4

2286.3

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Calculate the value of the resonant frequency (in kHz) of a tank circuit having the capacitance of 0.01 mF and inductance of 0.01 mH?

0.1591

1.591

159.1

15.91

0.1591

1.591

159.1

15.91

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
A resistance of 75 Ohms is connected in the shunt of the galvanometer, having an internal resistance of 25 ohms, to convert it into an ammeter. What is the value of current (in A) flowing through the galvanometer, if the total current in the circuit is 5 A?

2.5

3.65

3.75

2

2.5

3.65

3.75

2

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
What will be the equivalent capacitance (in mF) of three capacitors connected in a series having the capacitance of 0.04 mF, 0.08 mF, and 0.02 mF respectively?

0.026

0.011

0.065

0.032

0.026

0.011

0.065

0.032

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1

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?

SSC JE Electrical 2018 with solution SET-1 Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

SSC JE Electrical 2018 with solution SET-1 Calculate the value of the resonant frequency (in kHz) of a tank circuit having the capacitance of 0.01 mF and inductance of 0.01 mH?

SSC JE Electrical 2018 with solution SET-1 What will be the equivalent capacitance (in mF) of three capacitors connected in a series having the capacitance of 0.04 mF, 0.08 mF, and 0.02 mF respectively?

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?

SSC JE Electrical 2018 with solution SET-1
Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

SSC JE Electrical 2018 with solution SET-1
Calculate the value of the resonant frequency (in kHz) of a tank circuit having the capacitance of 0.01 mF and inductance of 0.01 mH?

SSC JE Electrical 2018 with solution SET-1
What will be the equivalent capacitance (in mF) of three capacitors connected in a series having the capacitance of 0.04 mF, 0.08 mF, and 0.02 mF respectively?