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PART - 3 CH - 11 Electricity — Science STD 10 — Question

Gujarat BoardEnglish MediumSTD 10SciencePART - 3 CH - 11 Electricity1 Mark
Question
The voltage - current $(V-I)$ graphs for a metallic conductor at two different temperatures $T_1$ and $T_2$ are shown below :
Image
At which temperature is the resistance higher ?
✓

Answer

At temperature $T_1$.
Because, the slope $\left(\frac{\Delta V}{\Delta I}\right)$ of the graph i.e., its resistance is greater at $T_1$.

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