engineering recuitment HAL Management & Design Trainee Mock Test 2023 Strength of Materials Strain Gauges and Rosettes
For a given strain gauge, the relative change in electrical resistance to mechanical strain \(\frac{{{\rm{d}}R/R}}{{{\rm{d }}L/L}}\) is called,
1
Stress factor
2
Gauge factor
3
Resistivity
4
Poisson’s ratio