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?

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

2286.3

3048.4

3810.5

2861.2

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SSC JE Electrical 2018 with solution SET-1
What is the value of current I4 (in A) for the given junction?

6

4

−4

−6

6

4

−4

−6

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SSC JE Electrical 2018 with solution SET-1
What is the bandwidth (in kHz) of a series RLC circuit having the resistance, inductance, and capacitance of 80 Ohms, 2 mH, and 0.01 mF respectively?

20

40

10

80

20

40

10

80

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SSC JE Electrical 2018 with solution SET-1
On which of the following parameters the eddy current loss occurring in a material does not depend?

The volume of the material

The frequency of variation of flux

Magnetic flux Density

Susceptibility

The volume of the material

The frequency of variation of flux

Magnetic flux Density

Susceptibility

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SSC JE Electrical 2018 with solution SET-1
Which of the following is the CORRECT formula for permeance?

I/H

Fm/L

φ/Fm

B/H

I/H

Fm/L

φ/Fm

B/H

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SSC JE Electrical 2018 with solution SET-1
A PMMC type voltmeter, having a full-scale reading of 250 V and an internal resistance of 400 kilo-ohms, is connected with the series resistance of 100 kilo-ohms. Calculate the sensitivity of the voltmeter (in Ohms/Volts)

20000

2000

2400

24000

20000

2000

2400

24000

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 What is the value of current I4 (in A) for the given junction?

SSC JE Electrical 2018 with solution SET-1 What is the bandwidth (in kHz) of a series RLC circuit having the resistance, inductance, and capacitance of 80 Ohms, 2 mH, and 0.01 mF respectively?

SSC JE Electrical 2018 with solution SET-1 On which of the following parameters the eddy current loss occurring in a material does not depend?

SSC JE Electrical 2018 with solution SET-1 Which of the following is the CORRECT formula for permeance?

SSC JE Electrical 2018 with solution SET-1 A PMMC type voltmeter, having a full-scale reading of 250 V and an internal resistance of 400 kilo-ohms, is connected with the series resistance of 100 kilo-ohms. Calculate the sensitivity of the voltmeter (in Ohms/Volts)

SSC JE Electrical 2018 with solution SET-1
What is the value of current I4 (in A) for the given junction?

SSC JE Electrical 2018 with solution SET-1
What is the bandwidth (in kHz) of a series RLC circuit having the resistance, inductance, and capacitance of 80 Ohms, 2 mH, and 0.01 mF respectively?

SSC JE Electrical 2018 with solution SET-1
On which of the following parameters the eddy current loss occurring in a material does not depend?

SSC JE Electrical 2018 with solution SET-1
Which of the following is the CORRECT formula for permeance?

SSC JE Electrical 2018 with solution SET-1
A PMMC type voltmeter, having a full-scale reading of 250 V and an internal resistance of 400 kilo-ohms, is connected with the series resistance of 100 kilo-ohms. Calculate the sensitivity of the voltmeter (in Ohms/Volts)