SSC JE Electrical 2019 with solution SET-2
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

Coasting
Free running
Notching up
Braking

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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
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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SSC JE Electrical 2019 with solution SET-2
The scheduled speed of a train is______

Equal to average speed
Equal to maximum speed
Always greater than the average speed
Always less than the average speed

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SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

0.015 H
0.15 H
0.125 H
1.5 H

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