The `V-i` graph for a conductor at temeratures `T_1` and `T_2` are as shown in the figure.
Channel: Doubtnut
Date: 2020-08-23

The `V-i` graph for a conductor at temeratures `T_1` and `T_2` are as shown in the figure. `(T_2 - T_1)` is alphaortional to.