SSC JE Electrical 2019 with solution SET-2
Which of the following heating element has the lowest operating temperature?

Eureka
Nichrome
Kanthal
Graphite

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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?

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

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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
Three-phase induction motor
Single-phase induction motor
Three-phase synchronous motor

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