A rigid bar of mass M is supported symmetrically by three wires each of length I.
Channel: Doubtnut
Date: 2020-05-24

A rigid bar of mass M is supported symmetrically by three wires each of length I. Those at each end are of copper and the middle one is of iron. What is the ratio of their diameters `(D_("copper"))/(D_("iron"))` if each wire is to have ratio same tension?