Question

Why is only tungsten metal used to make filaments of bulbs?​

Answer 1

Answer:

Tungsten is used 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 resistivity so it does not burn easily at room temperature. The lamp glows at high temperatures.

Explanation:

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Answer 2

Explanation:

Tungsten is used 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 resistivity so it does not burn easily at room temperature.
• The lamp glows at high temperatures.