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

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

HVDC transmission
DC transmission
AC transmission
Both AC and DC transmissions

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Can’t be determined
Voltage lags current by 60°
Voltage and current are in phase
Voltage leads current by 60°

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

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

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SSC JE Electrical 2019 with solution SET-2
Lower efficiency, lower power factor, are the features of which of the following motors?

DC shunt motor
Single-phase induction motor
Three-phase induction motor
Three-phase synchronous motor

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