eBook
Concord Consortium

Concord Consortium: Calculating Voltage in Series Parallel Circuits

For Students 9th - 10th
Use the series and parallel resistance formulas to determine the total resistances of the parts. Then, use Ohm's Law to calculate the voltage drops across each part.
Handout
Wikimedia

Wikipedia: Ohm's Law

For Students 9th - 10th
Wikipedia provides information on Ohm's Law, stating that the voltage drop is proportional to the current running through it.
eBook
Concord Consortium

Concord Consortium: Calculating Current in Series Parallel Circuits

For Students 9th - 10th
Use resistance formulas to determine the total resistances of the series and parallel parts. Then, use Ohm's Law to calculate the voltage drops across and currents through each part.
Unit Plan
Physics Classroom

The Physics Classroom: Electric Potential Difference

For Students 9th - 10th
This tutorial is devoted to an understanding of electric potential difference and its application to the movement of charge in electric circuits. Take the interactive quiz to assess your understanding.
Article
Physics Classroom

The Physics Classroom: Journey of a Typical Electron

For Students 9th - 10th
In the wires of electric circuits, an electron is the actual charge carrier. In this article, an electron's path through the external circuit is introduced.