why is the bulb get fused either the filament is broken
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If too much voltage is applied, the filament will get so hot that it melts. If the glass cracks or breaks, air will enter and the tungsten will burn by reacting with the oxygen. This can happen when rain strikes a hot bulb. Vibration or mechanical shock.
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Answer:because a fuse I connected in its live wire. If excess current flow then the wire will break and safe the appliances
Explanation:
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