Explain the following.
a) Why is the tungsten used almost exclusively for filament of electric lamps? no
Answers
Answered by
3
Answer:
The melting point and of Tungsten is an alloy which has very high melting point and very high resistivity so does not burn easily at a high temperature.
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Answered by
1
Answer:
Because of the following reasons:
1. Being a alloy it has a high melting point.
2. It has very resistivity so it doesn't burn easily at room temperature.
3. The lamp glows at high temperature
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