A metal rod of Young's modulas `F` and coefficient of thermal expansion `alpha` is held at its two ends such that its length remians invariant. If its temperature is raised by `t^(@)c`, then the linear stress developed in it is

A metal rod of Young's modulas Y and coefficient of thermal expansion alpha is held at its two ends such that its length remains invariant. If its temperature is raised by t^(@)c , then the linear stress developed in it is

A metal rod of Young's modulas Y and coefficient of thermal expansion alpha is held at its two ends such that its length remains invariant. If its temperature is raised by t^(@)c , then the linear stress developed in it is

A metal rod of Young's modulus and coefficient of thermal expansion alpha is held at its two ends such that its length remains invariant. If its temperature is raised by t^(@)C, the linear stress developed it its is .....

A metal rod of Young's modules Y and coefficient of thermal expansion alpha is held at its two ends such that its length remains constant. If its temperature is raised by t^(@)C , the linear stress developed in it is

A metal rod of Young's modules Y and coefficient of thermal expansion alpha is held at its two ends such that its length remains constant. If its temperature is raised by t^(@)C , the linear stress developed in it is

A metal rod has length L, radius of its cross-section r. Youngs modulus Y and thermal coefficient of linear expansion is α.It is clamped between two rigid supports with negligible tension. If its temperature is increased by T^@C , then force exerted by the rod on any of the supports is

Young's modulus for the material of a rod is Y and its coefficient of linear expansion is alpha . A rod of length l and cross-section A of this material is kept in between two rigid supports and its temperature is increased by t^(@)C . The force developed inside the rod is