Why tungsten is used in the filament of the bulb? Give 3 valuable reasons?
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2
Answer:
1. Being an alloy it has a very high melting point.
2. It has very high resistivity so it does not burn easily at room temperature.
3. The lamp glows at high temperatures.
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Answer:
Tungsten is use for making filament of an electric bulb due to the following reasons:
.being an alloy it has a very high melting point.
.it has very high restictivity so it does not burn easily at room temperature.
.the lamp glows at higher temperature.
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