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

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

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

600 to 800 W
200 to 500 W
50 to 150 W
10 to 50 W

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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?

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

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