SSC JE Electrical 2019 with solution SET-2
A transistor can be made to operate as a switch by operating it in which of the following regions?

Active region, saturation region
Active region, cut-off region
Saturation region, cut-off region
Active region

ANSWER 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
MORE MCQ ON SSC JE Electrical 2019 with solution SET-2