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…

In the previous section of Lesson 1, it was reasoned that the movement of a positive…

Electric Potential Difference Electric Field and the Movement of Charge Perhaps one of the most…

most known and powerful display of electrostatics in nature is a lightning storm. Lightning storms are…

We have previously shown in Lesson 4 that any charged object - positive or negative,…

In the previous section of Lesson 4, the vector nature of the electric field strength was discussed. The…