In electric bulb tungsten filament should have high melting point and high resistance give reason
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In short, bulb filament material has to withstand higher operating temperature and it has to accommodate high expansion & contraction during heating & cooling. Tungsten has high melting point & very good tensile strength.
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Answered by
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Explanation:
Tungsten is a corrosion resistant metal and has High melting point. It is used in electric bulb because when the filament is lit the temperature reaches a immersive 80 Degrees Celsius. So a metal like tungsten is perfect for a filament in bulb.
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