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

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

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SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Same magnetic flux
Two or more paths for magnetic flux
Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit
Different magnetic flux

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

Fluorescent lamps
Sodium vapor lamps
LED lamps
Incandescent lamps

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SSC JE Electrical 2019 with solution SET-2
_____type of single phase induction motor operates at better power factor at full load?

Shaded pole
Capacitor-start, induction-run
Resistance Split-phase
Capacitor-start, Capacitor-run

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