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A cylindrical conductor of length ‘l’. and uniform area of cross-section ‘A’ has resis #cbseclass10
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A cylindrical conductor of length ‘l’. and uniform area of cross-section ‘A’hasresistance ‘R’. The
area of cross-section of another conductor of same material and same resistance but of length ‘2l’ is
area of cross-section of another conductor of same material and same resistance but of length ‘2l’ is