SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

200 to 500 W
10 to 50 W
50 to 150 W
600 to 800 W

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SSC JE Electrical 2019 with solution SET-2
Both the main winding and auxiliary winding of a single-phase induction motor is placed on the ______?

Stator
Neither stator nor rotor
Rotor
Both stator and rotor

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

Both AC and DC transmissions
DC transmission
AC transmission
HVDC transmission

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SSC JE Electrical 2019 with solution SET-2
____ Lamps are used to light up sports stadiums?

Fluorescent lamps
Incandescent lamps
LED lamps
Sodium vapor lamps

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SSC JE Electrical 2019 with solution SET-2
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

Notching up
Braking
Coasting
Free running

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Voltage and current are in phase
Can’t be determined
Voltage lags current by 60°
Voltage leads current by 60°

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