SSC General Science & Technology Sample Paper NCERT Sample Paper-1

  • question_answer
    If a fuse blows frequently, one should:

    A)  Replace it with a paper chip

    B)  Replace it with a thin wire

    C)  Replace it with a thick copper wire

    D)  Call an electrician

    Correct Answer: B

    Solution :

    [b] The purpose of a fuse is to protect equipment and wiring against the damaging effects of electrical faults which cause excess currents, and to disable equipment which is faulty. The fuse "blows" when the current carried exceeds the rated value for an excessive time. Hence a fuse should be replaced with a thin wire.

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