The safety device based on the heating effect of electric current is called a ______.

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Solution

The safety device based on the heating effect.
An electric fuse is a safety device that protects an electrical appliance from damage when it receives excessively current.
A fuse is a wire made of a substance with a low melting point.
The wires become heated and melt when a high current travels through the circuit due to overloading or a short circuit. The circuit is hence broken, and the current ceases to flow.
Hence, the safety device based on the heating effect of electric current is called a fuse.

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