GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The filament of electric bulb is made of-
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Nichrome
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Iron
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Graphite
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Tungsten
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Explanation:
Detailed explanation-1: -The filament of an electric bulb is made of tungsten because it has some amazing properties including the highest melting point (3422oC), lowest vapor pressure, and greatest tensile strength out of all the metals. Because of these It can reach high temperature before melting.
Detailed explanation-2: -Tungsten has a high melting point and high resistivity.
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