A resistance strain gauge with gauge factor of 2.1 is fastened to a steel subjected to a stress of 1500 kg/cm3. The modulus of elasticity is 2.1 × 106 kg/cm2. Find strain in axial direction σ using Hooke's law.
1
7.14 × 10-4
2
1.4 × 10-4
3
7.14 × 104
4
1.4 × 104
5
Question Not Attempted