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?

Notching up
Braking
Coasting
Free running

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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 and current are in phase
Voltage leads current by 60°
Voltage lags current by 60°

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SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

Nichrome
Iron
Glass
Silver

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