SSC JE Electrical 2019 with solution SET-2
Which of the following comes under the category of single-phase commutator motors?

Shaded pole motor
Universal motor
Resistance start motor
Capacitor start motor

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SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

1110011
1101010
0101011
0101010

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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 0.5
Greater than 0.5
Equal to zero

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

Fluorescent lamps
Incandescent lamps
Sodium vapor lamps
LED lamps

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