Question

Mention two reasons why tungsten is used for making filament of an

electric lamp.​

Answer 1

Answer:

1-Tungsten metal is selected for making filaments of lampbulbs because tungsten can sustain high temperatures

2-it has high melting point, combined with the fact that it also has high resistivity.

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Answer 2

Answer:

1) because being an alloy, it has a high melting point, and at same time have high resistivity.

2) this high resistivity does not burn easilyeven in high temperature.

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