SSC JE Electrical 2019 with solution SET-2
Lower efficiency, lower power factor, are the features of which of the following motors?

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

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

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

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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?

Silver
Nichrome
Glass
Iron

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

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