SSC JE Electrical 2019 with solution SET-1
  In a capacitor start single phase induction motor the current in the:

Starting winding lags the voltage
Supply lines lead the voltage
Starting winding leads the voltage
The main winding leads the voltage

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SSC JE Electrical 2019 with solution SET-1
 Which of the following lamps has the shortest/less life span in working hours?

Incandescent lamp
Sodium vapor lamp
Fluorescent lamp
Mercury vapor lamp

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

Boiler
Reactor
Chimney
Economizer

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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
10Ω
40Ω
30Ω

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