SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

1
2
8
4

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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?

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

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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
XNOR is a basic gate
XOR is a derived gate

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