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NCERT Q18 (a) - Why is tungsten used almost exclusively for filament
3. Explain the following. (a) Why is the tungsten used almost exclusively filament of electric lamps? (b) Why are the conductors of electric heating devices, such as bread-toasters and electricio
QUESTION/ANSWER 1. (A) Why is tungsten used almost exclusively for filame..
in incandescent bulbs tungsten is used to make filament and in heater nichrome is used as coil. tungsten has low resistivity but nichrome has high resistivity.but in both case large amount of
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.jpg "Improving the Efficiency of Tungsten Filament Light Bulbs")
Improving the Efficiency of Tungsten Filament Light Bulbs
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Explain the following.(a) Why is the tungsten used almost exclusively for filament of electric lamps?(b) Why are the conductors of electric heating devices, such as bread - toasters and electric irons, made
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Give answer of ques no 7 and 8 ch rhm•e in to that is the current through to a - Science - Electricity - 12698857 | Meritnation.com
Explain the following.(a) Why is the tungsten used almost exclusively for filament of electric lamps?(b) Why are the conductors of electric heating devices, such as bread - toasters and electric irons, made
Why Tungsten Metal is used for filament of an electric bulb ? Electric Current Class 10 Science - YouTube
Explain the following Why is the tungsten used almost exclusively for the filament of electric lamps - YouTube
