What is fused bulb?
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FUSED BULB :-
➡️A bulb is said to be fused when the filament breaks and the circuit is no longer complete to make the bulb glow when electric power is applied.
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Answer:A bulb in which the tungsten filament seems to be broken is called a fused bulb.
Explanation:This happens due to excessive heat. Tungsten heats up to emit light. When the bulb is used for a long period of time it breaks due to the excessive heat produced. This creates a break in the filament which in turn leads to creating an open circuit and the bulb not glowing.
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