SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

5 Ω
10 Ω
1 Ω
2 Ω

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SSC JE Electrical 2019 with solution SET-1
 If an alternator is operating at unity power factor, then its terminal voltage is

Equal to the induced EMF, with zero voltage regulation
Less than the induced EMF, with negative regulation
Greater than the induced EMF, with negative voltage regulation
Less than the induced EMF, with positive voltage regulation

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SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Hydro-electric power plant
Thermal power plant
Gas power plant
Nuclear power plant

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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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