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    Question

    What is the function of a fuse in an electric

    circuit?  
    A Increase current Correct Answer Incorrect Answer
    B Stop lightning Correct Answer Incorrect Answer
    C Prevent overheating by breaking circuit Correct Answer Incorrect Answer
    D Act as switch Correct Answer Incorrect Answer

    Solution

    A fuse is a safety device made of a metal wire with low melting point.   When current exceeds the limit, the wire melts and breaks the circuit.   This prevents damage to appliances from overheating or short circuit.   It is a common safety feature in homes.

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