Physics Classroom
The Physics Classroom: Current Electricity
Four complete lessons on current electricity in the study of physics. Lessons include informational text, interactive activities, animations, and quick, interactive comprehension checks.
Physics Classroom
The Physics Classroom: Electric Potential Difference
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.
Physics Classroom
The Physics Classroom: Power Revisited
This tutorial visits the concept of power. You will learn to develop new equations that express power in terms of current, electric potential difference and resistance.
Physics Classroom
The Physics Classroom: Requirements of a Circuit
What four arrangements would result in the successful lighting of a lightbulb? And more importantly, what does each of the four arrangements have in common that would lead to an understanding of the two requirements of an electric...
CK-12 Foundation
Ck 12: Voltage
[Free Registration/Login may be required to access all resource tools.] This lesson looks at what voltage is and how to solve problems involving voltage. Includes a simulation for exploring how charges work in an electric field.
Science Struck
Science Struck: What Is Potential Difference and How to Calculate It
Explains the concept of electric potential difference and how it is calculated.