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

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

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SSC JE Electrical 2019 with solution SET-2
Observe the figure and find the correct relation from the four given options?

i4 + i2 + i3 = i1 + i5 + i6
i1 + i2 + i4 = i3 + i5 + i6
i1 + i2 + i6 = i4 + i5 + i3
i1 + i2 + i3 = i4 + i5 + i6

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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?

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

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