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

Halogen lamp
Fluorescent lamp
Incandescent lamp
Neon lamp

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SSC JE Electrical 2019 with solution SET-2
____ Lamps are used to light up sports stadiums?

Sodium vapor lamps
Incandescent lamps
Fluorescent lamps
LED lamps

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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

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

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