Physics Classroom
The Physics Classroom: Current Electricity: Combination Circuits
Explains what a combination circuit is, reviews the features of series and parallel circuits, and demonstrates how to analyze combination circuits. Includes detailed examples and some problems for students to try. There is also a link to...
Physics Classroom
The Physics Classroom: Current Electricity: Electrical Resistance: Ohm's Law
There are certain formulas in physics that are so powerful and so pervasive that they reach the state of popular knowledge. The predominant equation which pervades the study of electric circuits is often referred to as the Ohm's law...