resistivity temperature

Question

Resistivity of metals with temperature typically:

RankGuru · Accepted Answer

For conductors (metals):
- As temperature increases, the positive metal ions vibrate more vigorously.
- This increases the frequency of collisions with drifting electrons.
- More collisions mean a higher resistance to flow, hence **resistivity increases**.
Note: For semiconductors and insulators, resistivity typically **decreases** with temperature due to increased carrier generation.

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