SSC JE Electrical 2019 with solution SET-2
The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

Stroboscopic effect
Hopkinson’s effect
Fringing effect
Hall effect

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SSC JE Electrical 2019 with solution SET-2
In the salient pole of the phase synchronous machine, the rotor will have

Smaller diameter, smaller axial length
Larger diameter, larger axial length
Larger diameter, shorter axial length
Smaller diameter, larger axial length

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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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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?

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

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