4 years ago

What material would make the best light bulb filament?

Physics

2 answers:

DanielleElmas [232]4 years ago

7 0

The answer is B ! As in light bulb tungsten is working as resistor !

Stolb23 [73]4 years ago

4 0

Answer: A resistor, which converts some electric energy to light and thermal energy.

Explanation:

A bulb filament is made of resistor which allows the current to pass. Usually the metal- Tungsten is used to make the filament. A filament is a wire in the bulb through which current passes and it glows. Joule heating phenomenon is used. The electrical energy is converted to heat and light energy by the resistor when current passes through it.

Tungsten has a very high melting point, it is hard and high thermal stability. Thus, it makes the best bulb filament.

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