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
Coasting
Free running
Braking

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one?

Thermal power plant
Hydro-electric power plant
Solar power plant
Nuclear power plant

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
______braking is used where the load on the motor has very high inertia (e.g. in electric trains)?

Rheostatic
Plugging
Regenerative
Coasting

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP