SSC JE Electrical 2019 with solution SET-2
The conductor tied between two supports takes the shape of a ‘catenary’ due to ____?

Earthing
Sag
Corona
Transposition

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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?

186 meters
124 meters
62 meters
100 meters

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SSC JE Electrical 2019 with solution SET-2
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

Braking
Free running
Notching up
Coasting

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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

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

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