Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameters in the ratio  2 : 1. If they are pulled by the same force, what will be the ratio of their increase in lengths?

Asked by Topperlearning User | 25th Jul, 2014, 09:16: AM

Expert Answer:

We know that,

Answered by  | 25th Jul, 2014, 11:16: AM