An electric field exists in the space around a charged object. When another charged object is placed in this electric field, an electric force acts on it. This tutorial is designed to help you explore the effects of these electric forces and how they vary throughout the space surrounding charged objects. In it, you will work with a variety of different visual representations of electric fields, as well as the mathematics on which they are based.
There are three layers of the tutorial:
Layer 1. Seeing the bare basics. Observe the visual representations.
Layer 2. Probing a bit deeper. Adjust numerical values to change the visual representations you've just observed.
Layer 3. Working towards mastery. Learn to create visual representations on your own.
Each successive layer will require more thought and effort on your part, but the reward will be a much more thorough understanding of electric fields.
The physics described here is based on the topics covered in recent lectures, and in Sections 23.1-23.4 & 23.6 of Serway and Beichner's "Physics for Scientists and Engineers". If you have questions about Mathematica (the program which runs this tutorial), stop in to one of the tutorial sessions in C2039 and talk to Dr. Poduska or a lab instructor (Kelly Shorlin or John Wells).
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