Multiple Choice Questions on The resistance of a conductor is directly proportional to ........ for 10th Standard Preparation

Chapter - 12

Physics

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    The resistance of a conductor is directly proportional to:

    Its area of cross-section

    Incorrect Answer

    density

    Incorrect Answer

    melting point

    Incorrect Answer

    length

    Correct Answer
    Explanation:

    The resistance of a wire is directly proportional to its length and inversely proportional to its cross-sectional area. Resistance also depends on the material of the conductor. See resistivity. The resistance of a conductor, or circuit element, generally increases with increasing temperature.


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