SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

1/2 π
20/2π
10/2π
5/2π

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

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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?

Notching up
Braking
Free running
Coasting

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SSC JE Electrical 2019 with solution SET-2
Voltage regulation is considered to be the best for transmission lines?

983
1003
403
23

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