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

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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
Glass
Silver
Iron

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

Both AC and DC transmissions
DC transmission
HVDC transmission
AC transmission

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SSC JE Electrical 2019 with solution SET-2
Both the main winding and auxiliary winding of a single-phase induction motor is placed on the ______?

Both stator and rotor
Neither stator nor rotor
Rotor
Stator

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