Circuit Symbols and Circuit Diagrams Thus far, this unit of The Physics Classroom tutorial has…

The previous section of Lesson 3 elaborated upon the dependence of current upon the electric…

There are certain formulas in Physics that are so powerful and so pervasive that they…

An electron traveling through the wires and loads of the external circuit encounters resistance. Resistanceis the hindrance…

Journey of a Typical Electron As mentioned in Lesson 1, an electrochemical cell supplies energy to…

In these first two lessons of the Circuits unit of The Physics Classroom, an effort…

Electric circuits are designed to serve a useful function. The mere movement of charge from…

Suppose that you were given a small light bulb, an electrochemical cell and a bare…

What is an Electric Circuit? In Lesson 1, the concept of electric potential difference was…

In the previous section of Lesson 1, the concept of electric potential was introduced. Electric potential…