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Easyphysics: Chapter 13 Current Electricity
Learners investigate current electricity. Some topics examined are voltage law, Ohm?s law, and electric resistance. The resource includes example problems with solutions and a chapter quiz.
CK-12 Foundation
Ck 12: Physical Science: Electric Resistance
Explains what resistance is and factors that affect it, and how it can be advantageous and disadvantageous. [Free Registration/Login may be required to access all resource tools.]
Physics Classroom
The Physics Classroom: Resistance
An electron traveling through the wires and loads of the external circuit encounters resistance. In this tutorial, the concept of resistance is introduced. For an electron, the journey from terminal to terminal is not a direct route....