SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

Reluctance
Magnetic flux density
The product of current and number of turns enclosed by that path
The product of flux and number of turns enclosed by that path

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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

Fringing effect
Hopkinson’s effect
Stroboscopic effect
Hall effect

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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
Nuclear power plant
Thermal power plant
Hydro-electric power plant

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

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

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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?

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

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