|
The tungsten filament lamps when compared with fluorescent tubes have ___
|
|
0
|
144
|
October 11, 2021
|
|
Due to which of the following reasons the light of a tube appears cooler than that of a bulb?
|
|
0
|
118
|
October 11, 2021
|
|
The gas filled in vacuum filament lamps is ___
|
|
0
|
631
|
October 11, 2021
|
|
In electric discharge lamps light is ___
|
|
0
|
156
|
October 11, 2021
|
|
The function of capacitor across the supply to ___
|
|
0
|
297
|
October 11, 2021
|
|
Filament lamp at starting will take ____
|
|
0
|
339
|
October 11, 2021
|
|
The illumination is directly proportional to the cosine of ___
|
|
0
|
129
|
October 11, 2021
|
|
A solid angle is expressed in terms of ___
|
|
0
|
286
|
October 11, 2021
|
|
When a fluorescent lamp is to be operated on ___
|
|
0
|
194
|
October 11, 2021
|
|
When an electric bulb is broken it produces bang, this is ___
|
|
0
|
184
|
October 11, 2021
|
|
Which gas can be filled in GLS lamps?
|
|
0
|
134
|
October 11, 2021
|
|
For normal reading the illumination level required is ___
|
|
0
|
228
|
October 11, 2021
|
|
___ cannot sustain much voltage fluctuations
|
|
0
|
245
|
October 11, 2021
|
|
In houses the illumination is in ___
|
|
0
|
302
|
October 11, 2021
|
|
Illumination of one lumen per square metre is ___
|
|
0
|
136
|
October 11, 2021
|
|
In incandescent lamps, coiled coil filaments are ___
|
|
0
|
342
|
October 11, 2021
|
|
Which of the following is present inside the fluorescent tube?
|
|
0
|
270
|
October 11, 2021
|
|
Which of the following applications does not need ultraviolet lamps?
|
|
0
|
513
|
October 11, 2021
|
|
In case of ___
|
|
0
|
105
|
October 10, 2021
|
|
In the fluorescent tube circuit the function of choke is ___
|
|
0
|
462
|
October 10, 2021
|
|
For the same power output ___
|
|
0
|
311
|
October 10, 2021
|
|
Which of the following is not the standard rating of GLS lamps?
|
|
0
|
342
|
October 10, 2021
|
|
Colour of light depends upon ___
|
|
0
|
181
|
October 10, 2021
|
|
In fluorescent tubes ballast resistance is connected in ___
|
|
0
|
186
|
October 10, 2021
|
|
Glare is reduced by ___
|
|
0
|
359
|
October 10, 2021
|
|
The flicker effect of fluorescent lamps is ___
|
|
0
|
148
|
October 10, 2021
|
|
___ is a cold cathode lamp
|
|
0
|
177
|
October 10, 2021
|
|
For the same lumen output, the running cost of ___
|
|
0
|
178
|
October 10, 2021
|
|
Which of the following lamps is the cheapest for the same wattage?
|
|
0
|
297
|
October 10, 2021
|
|
Candela is the unit of which of the following?
|
|
0
|
125
|
October 10, 2021
|