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

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SSC JE Electrical 2019 with solution SET-2
The conductor tied between two supports takes the shape of a ‘catenary’ due to ____?

Earthing
Transposition
Sag
Corona

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SSC JE Electrical 2019 with solution SET-2
Which of the following is NOT related to the transmission and distribution of electric power?

Proximity effect
Skin effect
Stroboscopic effect
Ferranti effect

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SSC JE Electrical 2019 with solution SET-2
In the salient pole of the phase synchronous machine, the rotor will have

Smaller diameter, smaller axial length
Larger diameter, larger axial length
Larger diameter, shorter axial length
Smaller diameter, larger axial length

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SSC JE Electrical 2019 with solution SET-2
The impedance at resonance offered by a parallel resonant circuit is

Maximum given by I/CR
Minimum given by L/CR
Minimum given by I/CR
Maximum given by L/CR

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