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

Equal to average speed
Equal to maximum 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
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

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

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SSC JE Electrical 2019 with solution SET-2
 If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

Current transformer
Isolation transformer
Potential transformer
Power transformer

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