Lesson 18. Electric Current and Circuits
These are the terms and concepts you should master to the level you have set for yourself:
- Electric Current
- Emf and Circuits
- Microscopic View of Current in a Metal: The Free-Electron Model
- Resistance and Resistivity
- Kirchhoff's Rules
- Series and Parallel Circuits
- Circuit Analysis Using Kirchhoff's Rules
- Power and Energy in Circuits
- Measuring Currents and Voltages
- RC Circuits
- Electrical Safety
Take a close look at the terms and concepts listed above. Use the search
box to find definitions and brief explanations. For the first part of this
lesson, a descriptive understanding is more important than a mathematical
one. Think about how you would explain the concept to someone else, and make
sketches and notes in your Learning Journal.
Master the Concepts from the publisher's companion website.
Study each of the items in the Mastering the Concepts portion of the
companion website. Use the search box to check on any terms that are unclear or
Now turn your attention to the equations listed in the Concepts.
Search for the meaning of each term in the equations, and set aside a page or two in your Learning Journal for a
complete summary of the
equations, including the definitions of each term.
Physics video playlist from The Kahn Academy for presentations related
to this lesson.
Check your skills with the Multiple-Choice Quiz.
Finally, browse these two resources for material relevant to this lesson: