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     EduGorilla 
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    A piece of resistance wire of length 10 cm and diameter 0.1 cm has resistance of 20 ohms. It is redrawn into a wire of length 20 cm. Its resistance now is:

    Options :-

    1. 160 ohms
    2. 20 ohms
    3. 40 ohms
    4. 80 ohms
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