SSC JE Electrical 2019 with solution SET-2
Two coils are said to be ‘magnetically isolated’ provided the coefficient of coupling K

Is equal to one
Is less than one
Is less than or equal to one
Is equal to zero

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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

Stroboscopic effect
Hall effect
Fringing effect
Hopkinson’s effect

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

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

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SSC JE Electrical 2019 with solution SET-2
Lower efficiency, lower power factor, are the features of which of the following motors?

Three-phase synchronous motor
Three-phase induction motor
DC shunt motor
Single-phase induction motor

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