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

LED lamps
Fluorescent lamps
Sodium vapor lamps
Incandescent lamps

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SSC JE Electrical 2019 with solution SET-2
Which of the following motors can be connected across a single-phase AC supply?

DC shunt motor
Differential compound motor
Cumulative compound motor
DC Series Motor

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SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

Less than 0.5
Equal to zero
Equal to 0.5
Greater than 0.5

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