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

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

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SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

5/2π
1/2 π
20/2π
10/2π

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SSC JE Electrical 2019 with solution SET-2
For a three-phase induction motor slip at No Load ÷  slip at Full Load

Always less than one
Always equal to one
Always less than one
Always equal to zero

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

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

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

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