Question

Write about fuse ........

Answer 1

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WRITE ABOUT FUSE

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★ FUSE ★

fuse wire is a safety device connected in series with the live wire of circuit it has high resistivity and low melting point it melts when a sudden urge of large current passes through it and disconnects the entire circuit from the electrical supply

but in case if we use a larger rating instead of a defined rating then it will not protect the circuit as high current will easily pass through it and it will not melt

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Answer 2

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One very important and common application of Joule's heating is the fuse wire, which is used in electric circuits. It is mean to protect the circuit from short circuit.

It is made up of an alloy of tin and lead (tin 67% and lead 33%) . Some fuse wires are made up of alloys containing aluminium ,copper ,iron, lead.

• Fuse wire has low melting point. So, whenever, the current in the circuit becomes high it melts to break the circuit and prevent any further damage.

Hope it helps!!