What is fuse? How does it works?
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The fuse breaks the circuit if a fault in an appliance causes too much current to flow. This protects the wiring and the appliance if something goes wrong. The fuse contains a piece of wire that melts easily.
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A fuse is a safety device that opens an electric circuit when excessive current flows through it.
If is often used in a building's electric circuit. A fuse has a special wire whose melting point is lower than those of metals. When the current following through the circuit becomes excessive due to a short circuit or an overload, the fuse wire get hot and melts . This breaks the circuit and prevents any damage.
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