If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Resistivity vs. temperature: conductors and semiconductors


The number density of free electrons in a material stays roughly constant with temperature.
Which of the following resistivity (ρ) vs. temperature (T) graphs possibly represent the material above?
Choose 2 answers: