Question

state one property of wire used as a filament of an electric bulb​

Answer 1

Explanation:

The material used to make filament must have high resistance and high melting point. Usually tungsten is used to make a filament. The fuse wire must get heated and melt whenever excess current passes through it. Hence, it must be made of an alloy with high resistance and low melt-ing point.

Answer 2

The metal filament of electric bulb is usually made up of tungsten wire. tungsten is used because 1. it has very high melting point, 2. when current passed through it it becomes 'white hot' and Glow bright for long time,3. quite stable and a long life vis-a-vis 'burn out' or possible oxidation.

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