Big Ideas: More info...
Class practical: this experiment, for advanced level students, shows that the current through a thermistor increases with...
Demonstration: these two materials show contrasting effects when heated.
Class practical: investigating the changing resistance of a wire as it heats up.
This episode looks at the resistance of a metal and a semiconductor, giving a microscopic explanation of the variation with...
Recognising and celebrating outstanding contributions to the field of physics education.