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

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SSC JE Electrical 2019 with solution SET-1
_____ is NOT a component in a thermal power plant

Chimney
Boiler
Economizer
Reactor

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SSC JE Electrical 2019 with solution SET-1
 In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

2
1
3
4

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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?

30Ω
20Ω
40Ω
10Ω

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