SSC JE Electrical 2019 with solution SET-2
Four statements are given below. Identify the correct statement?

XOR is a universal gate
XOR is a basic gate
XOR is a derived gate
XNOR is a basic gate

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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

Hall effect
Fringing effect
Stroboscopic effect
Hopkinson’s effect

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