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Two conducting wires x and y …

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Two conducting wires x and y of same diameter but different material are joined in series across battery. If? number density of free electrons in x is twice of y . Find the ratio of drift velocity of electrons in two wires??

    • Posted by Sumit Roy 7 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Amarjeet Kour 7 years, 3 months ago

    No. density of x =2y and no. density of y is y. According to question both wires have same diameter and joined in series. Therefore, both have same area, charge and current. Vdy\vdx = 2y\y Vdy\vdx =2:1

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