SSC JE Electrical 2019 with solution SET-2
The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux?

2.5 meters
4 meters
1.5 meters
2 meters

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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 ____?

Corona
Earthing
Transposition
Sag

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SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

0.015 H
0.15 H
0.125 H
1.5 H

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SSC JE Electrical 2019 with solution SET-2
When capacitors are connected in series across DC voltage then_____

The voltage across each capacitor is the same
The charge on each capacitor is the same
The same current flows through each capacitor in a given time
The charge on each capacitor is the same and the same current flows through each capacitor in a given time

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

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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

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

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