SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

1110011
0101011
0101010
1101010

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

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SSC JE Electrical 2019 with solution SET-2
____ Lamps are used to light up sports stadiums?

Incandescent lamps
Sodium vapor lamps
LED lamps
Fluorescent lamps

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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?

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

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