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

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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
Mercury vapor lamp
Fluorescent lamp
Sodium vapor lamp

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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

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

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

Reactor
Boiler
Chimney
Economizer

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SSC JE Electrical 2019 with solution SET-1
 The output of the logic circuit given below represents the gate.

NAND
OR
NOR
AND

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