⇒ For the same lumen output, the running cost of the fluorescent lamp is ⇒ The gas filled in vacuum filament lamps is ⇒ For normal reading the illumination level required is around ⇒ In incandescent lamps, coiled coil filaments are used for ⇒ The tungsten filament lamps when compared with fluorescent tubes have all the following advantages except ⇒ Photometer is used for comparing 'the lights of different colours ? ⇒ Co-efficient of utilisation depends upon To increase the light radiations cl,ie to secondary emissions To change the colour of light emitted to white ⇒ The purpose of coating the fluorescent tube from inside with white power is ⇒ Reflectors are provided with slits at the top to ⇒ Sometimes the wheels ofrotating machinery, under the influence of fluorescent lamps appear to be stationary. ⇒ Fine diameter tungsten wires are made by Low voltage rated lamps will be more sturdyīoth low and high voltage rated lamps will be equally sturdy High voltage rated lamps will be more sturdy ⇒ For precision work the illumination 'level required is of the order of ⇒ Which of the following lamps is the 'cheapest for the same wattage ? ⇒ In case of _ power factor is the power factor is theĪssists in developing enough heat to vaporize the sodium Login / Register Download app for fast access + Download from play storeĪdd to Bookmark All Engineering + Electrical Computer Civil Mechanical Chemical Aotumobile Electronics Medical Science All Competitive exam data + Previous Papers Online Mock Test Vedic / Quicker Math Aptitude Reasoning General Knowledge English / Verbal Speak English Unit converter All Dictionary + Picture Dictionary English to Afrikaans English to Arabic English to Bengali English to Chinese English to English English to French English to German English to Gujarati English to Hindi English to Italian English to Japanese English to Kannada English to Korean English to Malayalam English to Marathi English to Nepali English to Portuguese English to Punjabi English to Russian English to Spanish English to Swedish English to Tamil English to Telugu English to Thai English to Turkish English to Urdu Know your baby name + Search baby / your name My Favorite List Teaching / Schooling Entertainment + Quotes (all category) Jokes (Hindi,Urdu,English) All Management courses + Marketing (HRM)Human Resource Management Web Tutorials + + Objective Questions (MCQ) All topics + Theory / Tutorial HTML CSS PHP JavaScript Read More My Account + My Account My Dictionary My Electrical Engg My Aptitude My English My General Knowledge Visit Contact us + Contact us / Help About us Privacy Policy About Copyright
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