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

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

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SSC JE Electrical 2019 with solution SET-2
For a three-phase induction motor slip at No Load ÷  slip at Full Load

Always less than one
Always less than one
Always equal to one
Always equal to zero

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SSC JE Electrical 2019 with solution SET-2
Form Factor × Peak Factor =?

Average Value Maximum Value
RMS Value/Average Value
Maximum Value/Average Value
Maximum Value/RMS Value

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

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