SSC JE Electrical 2019 with solution SET-2
While estimating domestic wiring cost, if the length of the PVC conduit required is 62 meters, then what is the length of the cable required?

100 meters
124 meters
186 meters
62 meters

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

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SSC JE Electrical 2019 with solution SET-2
Four relations have been given. Select the correct relation?

MMF = Flux/Permeance
MMF = Flux/Reluctance
Flux = MMF/Permeance.
MMF = Flux/Reluctance

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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

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

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