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?

20/2π
5/2π
1/2 π
10/2π

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

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SSC JE Electrical 2019 with solution SET-2
The conductor tied between two supports takes the shape of a ‘catenary’ due to ____?

Corona
Earthing
Transposition
Sag

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

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SSC JE Electrical 2019 with solution SET-2
_____type of single phase induction motor operates at better power factor at full load?

Capacitor-start, Capacitor-run
Shaded pole
Resistance Split-phase
Capacitor-start, induction-run

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

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