Temperature Dependence of Resistance

Temperature Dependence of Resistance

### Formula

$$R_t=R_0(1+\alpha\Delta T)$$

### Terminologies

- Rt → Resistance at temperature t.

- R₀ → Resistance at reference temperature.

- α → Temperature coefficient.

- ΔT → Change in temperature.

### Conditions / Special Cases

For metals:

$$\alpha>0$$

For semiconductors:

$$\alpha<0$$

### Usage

- Used in temperature-based resistance calculations.