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

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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
XOR is a derived gate
XNOR is a basic gate

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SSC JE Electrical 2019 with solution SET-2
The type of damping used for moving iron instruments is

Fluid friction damping
Gravity friction damping
Air friction damping
Eddy current damping

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Voltage and current are in phase
Voltage lags current by 60°
Can’t be determined
Voltage leads current by 60°

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