A fuse in an electric circuit is used to.

Increase the flow of current in the circuit

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Control the voltage fluctuation in the circuit

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Break the circuit when excessive current flows

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Decrease the flow of current in the circuit

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Solution

The correct option is C Break the circuit when excessive current flows
A fuse is an electric circuit which is use to break the circuit when excessive current flows. It works upon the principle of heating effect of current which states that flow of current is directly proportional to the heating. So, excessive current produce the heating effect which melt the fuse wire and break the circuit.

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