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

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

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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
IL = Load Current, then the relation between these currents for a DC series generator is

IL = Ise + Ia
IL = Ise = Ia
IL ÷ Ise = Ia
IL ÷ Ise ÷ Ia

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