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?

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?

10

20

40

30

10

20

40

30

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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 frequency of variation of flux

Susceptibility

Magnetic flux Density

The volume of the material

The frequency of variation of flux

Susceptibility

Magnetic flux Density

The volume of the material

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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

450 W

350 W

800 W

300 W

450 W

350 W

800 W

300 W

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SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

Current source

Resistors

Battery

Voltage source

Current source

Resistors

Battery

Voltage source

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SSC JE Electrical 2018 with solution SET-1
In cables, the thickness of the layer of insulation on the conductor depends upon

Reactive Power

Power Factor

Current carrying capacity

Voltage

Reactive Power

Power Factor

Current carrying capacity

Voltage

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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

2286.3

3048.4

3810.5

2861.2

2286.3

3048.4

3810.5

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SSC JE Electrical 2018 with solution SET-1

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?

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 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

SSC JE Electrical 2018 with solution SET-1 Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1 In cables, the thickness of the layer of insulation on the conductor depends upon

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?

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
A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1
In cables, the thickness of the layer of insulation on the conductor depends upon