A length of rubber cord is L1 metre, when a tension of 3N is applied. The length becomes L2 metre, when the tension if 4N. The length of rubber cord in metre, when tension is increaed to 9N is:
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In which wire the increase in length will be maximum when the same tension is applied [ IIT ... question_answer10) The area of cross- section of a wire of length 1.1 metre is 1 mm2.
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