Question

Q1.Why tungsten is used exclusively for filaments of electric bulbs?

Answer 1

it is used as it has a higher resistance and due to which it does not melt faster and give a great amount of heat and light energy.

Answer 2

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The melting point and resistivity of tungsten are very high. It does not burn very easy at a high temperature. The electric lamps glow at very high temperatures. Hence, tungsten is mainly used as heating element of electric bulbs.

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