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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A cable is replaced by another cable of the same length and material but of duouble the diameter. (i) Under a given load which cable wil show greater extension? (ii) How many times the second cable can support the maxium load without exceeding the elastic limit?

A cable is replaced by another cable of the same length and material but of duouble the diameter. (i) Under a given load which cable wil show greater extension? (ii) How many times the second cable can support the maxium load without exceeding the elastic limit?

The diameter of a brass rod is 4 mm having young's moudles 9 x 10^9 N/m^2. Find the force required to stretched the rod by 0.1% of its length.