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

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

AC transmission
Both AC and DC transmissions
DC transmission
HVDC transmission

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SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Same magnetic flux
Different magnetic flux
Two or more paths for magnetic flux
Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit

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SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

Reluctance
The product of flux and number of turns enclosed by that path
Magnetic flux density
The product of current and number of turns enclosed by that path

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