SSC JE Electrical 2019 with solution SET-2
Creeping is a term related to instruments?

PMMC type
Dynamometer type
Induction type
Moving iron type

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SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/r)*(At/Wb)
(1/2r)*(At/m)
(1/4r)*(At/m)
(1/r)*(At/m)

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

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SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

1
8
4
2

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