Explain how a fuse functions to protect an electric circuit.
Solutions
VerifiedIn this problem we need to analyze the working principle of a fuse.
We know that any material heats up when current flows through it. If current is too high, some appliances may catch on fire. To prevent this from happening, we use an electric fuse. Electric device that we want to protect from high current is connected in series to the electric fuse, which consists of two terminals and a thin wire between them. When current flows in this part of the circuit, thin wire in the fuse will heat up and if current flowing in the circuit is high enough, thin wire in the fuse will melt, resulting in breaking the circuit. This way, if too high current starts to flow through the circuit, fuse melts and this current doesn't reach the electric device we want to protect.
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