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

0.5 × maximum value
√2 × maximum value
2 × maximum value
0.637 × maximum value

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

Reactor
Chimney
Economizer
Boiler

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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
30Ω
10Ω
20Ω

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SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Reflection factor
Waste light factor
Maintenance factor
Absorption factor

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (2πωT)/60
Pmech = (2πωT)
Pmech = ωT
Pmech = (ωT)/60

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