A single-phase circuit’s power factor can be measured with a/an

SSC JE Electrical 2019 with solution SET-1
A single-phase circuit’s power factor can be measured with a/an

Wattmeter alone

Combination of a voltmeter, ammeter, and wattmeter

Energy meter alone

Combination of a voltmeter and ammeter

Wattmeter alone

Combination of a voltmeter, ammeter, and wattmeter

Energy meter alone

Combination of a voltmeter and ammeter

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SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

Hysteresis loss and copper loss

Eddy current loss and hysteresis loss

Hysteresis loss and frictional loss

Eddy current loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and hysteresis loss

Hysteresis loss and frictional loss

Eddy current loss and frictional loss

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SSC JE Electrical 2019 with solution SET-1
The voltmeter is shown in the circuit reads:

24 V

2.4 V

12 V

1.2 V

24 V

2.4 V

12 V

1.2 V

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SSC JE Electrical 2019 with solution SET-1
If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

dA ⁄ dΦ

dΦ ⁄ dA

dΦ − dA

Φ × A

dA ⁄ dΦ

dΦ ⁄ dA

dΦ − dA

Φ × A

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SSC JE Electrical 2019 with solution SET-1
In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D3, D4

D4, D1

D1, D2

D2, D3

D3, D4

D4, D1

D1, D2

D2, D3

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SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

20Ω

30Ω

40Ω

10Ω

20Ω

30Ω

40Ω

10Ω

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 A single-phase circuit’s power factor can be measured with a/an

SSC JE Electrical 2019 with solution SET-1 Which of the following losses is together called iron losses?

SSC JE Electrical 2019 with solution SET-1 The voltmeter is shown in the circuit reads:

SSC JE Electrical 2019 with solution SET-1 If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

SSC JE Electrical 2019 with solution SET-1 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

SSC JE Electrical 2019 with solution SET-1 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1
A single-phase circuit’s power factor can be measured with a/an

SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

SSC JE Electrical 2019 with solution SET-1
The voltmeter is shown in the circuit reads:

SSC JE Electrical 2019 with solution SET-1
If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

SSC JE Electrical 2019 with solution SET-1
In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?