SSC JE Electrical 2019 with solution SET-2
The scheduled speed of a train is______

Equal to maximum speed
Equal to average speed
Always less than the average speed
Always greater than the average speed

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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
10/2π
20/2π
5/2π

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

HVDC transmission
DC transmission
AC transmission
Both AC and DC transmissions

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