SSC JE Electrical 2019 with solution SET-2
Permeance is analogous to an electrical circuit?

Conductance
Resistance
Conductivity
Permittivity

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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

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

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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

8
1
2
4

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