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

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

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SSC JE Electrical 2019 with solution SET-2
Which of the following motors can be connected across a single-phase AC supply?

Cumulative compound motor
DC Series Motor
DC shunt motor
Differential compound motor

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SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

Reluctance
The product of current and number of turns enclosed by that path
Magnetic flux density
The product of flux and number of turns enclosed by that path

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SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit
Different magnetic flux
Same magnetic flux
Two or more paths for magnetic flux

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