Chapter 22: Electric Force and Electric Charge
Online Concept Tutorials
Coulomb’s Law
This tutorial presents the equation for Coulomb’s Law and explains the meaning of the various terms in that equation. It then explores some of the law's implications and applies the law to several examples, including an electroscope.
Electric Charge
This tutorial discusses the meaning of electric charge and describes how objects can become charged. It explores the implications of the fact that like charges repel and unlike ones attract. In particular, it looks at how electrostatic induction can separate charges in conductors.
Electric Force Superposition
This tutorial shows how to approach problems involving electric force. It shows how to add the relevant force vectors when there is more than one source charge and how symmetry can sometimes be used to simplify such problems.
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