Categories > Mechanical Properties of Solids > Rigidity Modulus > Two wires A and B of same length and of the same material have the respective radii ${{r}_{1}}$ and ${{r}_{2}}$. Their one end is fixed with a rigid support, and at the other end equal twisting couple is applied. Then the ratio of the angle of twist at the end of A and the angle of twist at the end of B will be

Mechanical Properties of Solids

Question: Two wires A and B of same length and of the same material have the respective radii ${{r}_{1}}$ and ${{r}_{2}}$. Their one end is fixed with a rigid support, and at the other end equal twisting couple is applied. Then the ratio of the angle of twist at the end of A and the angle of twist at the end of B will be


1) $\frac{r_{1}^{2}}{r_{2}^{2}}$
2) $\frac{r_{2}^{2}}{r_{1}^{2}}$
3) $\frac{r_{2}^{4}}{r_{1}^{4}}$
4) $\frac{r_{1}^{4}}{r_{2}^{4}}$
Solution: Explanation: No Explanation
Rigidity Modulus

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