Why filament of electric bulb is made of tungsten

Melting Point of filament is very high

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Resistance of filament is very less

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Both

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None

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Solution

The correct option is A Melting Point of filament is very high
The resistance of filament should be high so that it can produce heat and light and its melting point should also be high so that it does not melt at the high temperature at which it is producing light.

Answer-(A)

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Explain why, tungsten is used for making the filaments of electric bulbs.

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