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

Eureka
Graphite
Kanthal
Nichrome

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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
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

0.15 H
1.5 H
0.125 H
0.015 H

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SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

4
2
1
8

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Incandescent lamp
Halogen lamp
Neon lamp
Fluorescent lamp

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