Question

What is filament of bulb made of?
Options
a)copper
b)thin tungsten wire
c)Mangnese
d)thick wire ​

Answer 1

Answer:

b ) thin tungsten wire

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
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