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
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
10/2π
20/2π

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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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