Question: If the ratio of lengths, radii and Young's modulus of steel and brass wires in the figures are a, b and c respectively, then
If the ratio of lengths, radii and Young's modulus of steel and brass wires in the figures are a, b and c respectively, then the corresponding ratio of increase in their lengths is tat Steel M ZM 2ac () (b) 26c 2a () (d) 2ab2
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