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

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SSC JE Electrical 2019 with solution SET-2
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one?

Solar power plant
Nuclear power plant
Thermal power plant
Hydro-electric power plant

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SSC JE Electrical 2019 with solution SET-2
The conductor tied between two supports takes the shape of a ‘catenary’ due to ____?

Transposition
Corona
Earthing
Sag

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SSC JE Electrical 2019 with solution SET-2
IL = Load Current, then the relation between these currents for a DC series generator is

IL ÷ Ise = Ia
IL = Ise + Ia
IL = Ise = Ia
IL ÷ Ise ÷ Ia

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

Incandescent lamps
LED lamps
Fluorescent lamps
Sodium vapor lamps

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