SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1
The function of condenser in a Thermal power plant is:

Condense used steam into water

Condense water

Purify water

Purify steam

Condense used steam into water

Condense water

Purify water

Purify steam

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SSC JE Electrical 2019 with solution SET-1
Find the mutual inductance between two ideally coupled coils of 2H and 8H

16 H

4 H

2 H

8 H

16 H

4 H

2 H

8 H

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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
Find the net capacitance of the combination in which ten capacitors of 10 μF are connected in parallel

50 μF

100 μF

0.1 μF

1 μF

50 μF

100 μF

0.1 μF

1 μF

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SSC JE Electrical 2019 with solution SET-1
The average value of a sinusoidal wave is:

2 × maximum value

0.637 × maximum value

0.5 × maximum value

√2 × maximum value

2 × maximum value

0.637 × maximum value

0.5 × maximum value

√2 × maximum value

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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?

10Ω

20Ω

40Ω

30Ω

10Ω

20Ω

40Ω

30Ω

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