What is the filament of an electric bulb ' usually made up of? *
1 point
A) A thin wire with many coils
B) A thick wire with many coils
C) A thin straight wire
D) A thick straight wire
Answers
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4
Explanation:
Tungsten
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.
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0
Answer:
Tungsten
Explanation:
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