Khan Academy answers a question about hyperpolarization and depolarization with a written explanation and links to helpful videos.

This article from Khan Academy provides information about capacitors. This information is intended for the Class 12 Physics Course (India).

Review the key terms, equations, and skills related to Ohm's law, including how electric potential difference, current, and resistance are related.

Overview of the key terms and skills related to electric charge, including how to calculate net charge.

Review how an electric force behaves between like or opposite charges, and its dependence on separation distance and charge magnitude. Compare the electric force and gravitational force.

Review the conservation of charge and how charge is transferred in various scenarios.