SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

4
1
2
8

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SSC JE Electrical 2019 with solution SET-2
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one?

Nuclear power plant
Thermal power plant
Solar power plant
Hydro-electric power plant

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

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

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

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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?

0.125 H
0.015 H
0.15 H
1.5 H

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