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  1. The length of the wire of 0.2mm radius that can be drawn after melting a solid copper sphere of diameter 18cm?
    2. A.
    24.3m
    B.
    243m
    C.
    2430m
    D.
    24300 m

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    Workspace

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    Answer : Option D

    Explanation :

    Radius of sphere = 9 cm 


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