Electric Circuits

The Electric Field and the Movement of Charge Video Tutorial explains the conditions that are necessary in order for a charge to move from one location to another location. The concept of electric potential energy is discussed.

The Electric Potential Video Tutorial explains what is meant by electric potential and discusses why it is a purely location-dependent quantity.

The Electric Potential Difference Video Tutorial describes and explains the changes that occur in electric potential for a positive test charge passing trhough a circuit.

The Electric Circuits and Their Requirements Video Tutorial explains what an electric circuit is and what is necessary for the establishment and maintenance of an electric circuit. Numerous examples, illustrations, and animations assist in the explanations.

The Electric Current Video Tutorial discusses the meaning of electric current, the direction of conventional current, the distinction between current and drift speed, and the method of calculating current. Numerous examples, illustrations, and animations assist in the explanations.

The Electric Power Video Tutorial explains the relationship between electrical power and electrical energy and uses the relationship (and others) to derive and use an equation relating power to current and electrical potential difference.

The Common Circuit Misconceptions Video Tutorial identifies five common preconceptions that students have that hinders their ability to learn circuits. The fallacies of the ideas are explained and an effort is made to highlight the logic of the alternative model.

The Electrical Resistance Video Tutorial explains the cause and effects of resistance. The variables that affect resistance are described and the mathematical equation relating resistance to those variables is described.

The Ohm's Law Equation Video Tutorial explains the relationship between current, electric potential difference (voltage), and resistance. Numerous mathematical and conceptual examples are given. The video ends with a summary of the many formulas used to analyze electric circuits.

The Electric Power Equations Video Tutorial shows the derivation of three equations for electric power. The use of the equations is explained. Numerous examples, illustrations, and animations assist in the explanations.

The Series vs. Parallel Circuits Video Tutorial first explains how to represent circuits by schematic diagrams and then lays a foundation for understanding the differences between series and parallel circuits.

The Series Circuit Relationships Video Tutorial discusses the variety of patterns between resistance, current, and electric potential difference associated with series circuits. Numerous example problems and concept questions are presented and explained.

The Series Circuit Analysis Video Tutorial explains how to analyze a series circuit to determine the equivalent resistance, the current in the battery and various devices, and the voltage drops across the devices. Several worked-out examples are discussed.

The Parallel Circuit Analysis Video Tutorial explains how to analyze a parallel circuit to determine the equivalent resistance, the current in the battery and various devices, and the voltage drops across the devices. Several worked-out examples are discussed.

The Parallel Circuit Relationships Video Tutorial discusses the variety of patterns between resistance, current, and electric potential difference associated with parallel circuits. Numerous example problems and concept questions are presented and explained.

The Combination Circuits Video Tutorial discusses the variety of patterns between resistance, current, and electric potential difference associated with combination circuits. Numerous illustrations and example problems are presented and explained.