Prevention of interference with neighboring telephone lines can be done by:

SSC JE Electrical 2019 with solution SET-1
Prevention of interference with neighboring telephone lines can be done by:

Reducing skin effect

Reducing corona

Transposing transmission lines

Using bundled conductors

Reducing skin effect

Reducing corona

Transposing transmission lines

Using bundled conductors

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SSC JE Electrical 2019 with solution SET-1
With the current direction marked in the circuit shown, the net voltage applied is

V2

(V2 − V1)

V1

−(V2 − V1)

V2

(V2 − V1)

V1

−(V2 − V1)

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SSC JE Electrical 2019 with solution SET-1
Which of the following fuel has the least calorific value?

Wood

LPG

Hydrogen

Kerosene oil

Wood

LPG

Hydrogen

Kerosene oil

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SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 12, f = 60 Hz

P= 12, f = 50 Hz

P = 8, f = 50 Hz

P = 10, f = 60 Hz

P = 12, f = 60 Hz

P= 12, f = 50 Hz

P = 8, f = 50 Hz

P = 10, f = 60 Hz

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SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1600 W

400 W

1200 W

800 W

1600 W

400 W

1200 W

800 W

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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?

40Ω

10Ω

20Ω

30Ω

40Ω

10Ω

20Ω

30Ω

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Prevention of interference with neighboring telephone lines can be done by:

SSC JE Electrical 2019 with solution SET-1 With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1 Which of the following fuel has the least calorific value?

SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

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
Prevention of interference with neighboring telephone lines can be done by:

SSC JE Electrical 2019 with solution SET-1
With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1
Which of the following fuel has the least calorific value?

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

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?