Mention two reasons why tungsten is used for making filament of an
electric lamp.
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Answered by
3
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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Answered by
1
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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