Physics, asked by 7405413342, 7 months ago

how much resistance a light bulb filament requires to glow please give me a genuine answer it is very important Question for me

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Answered by candy2635
0

Answer:

Temperature coefficient of resistance for tungsten

The typical cold resistance of a 100 W incandescent lamp is about 9.5 ohms. If that resistance stayed the same with 120 V applied, Ohm's Law tells us that the bulb would draw about 12.5 amps and dissipate about 1,500 watts.

Answered by priyasaini43
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