Semiconductors are in everything from your cell phone to rockets. But what exactly are they, and what makes them so special? Find out from Jamie, a Ph.D. student in Electrical Engineering and Computer Science at MIT. [4:45]

Video lesson explains what a capacitor is, why they are important in electrical engineering, how they are constructed, how they are used in circuits, and how energy is stored in a capacitor. [15:59]

How can you use technology to make your ideas come to life? Circuits are the answer! Watch this video to learn how circuits turn binary signals into websites, videos, music, and games. This is the fourth video out of six in the series...

According to Bill Gates, computers have the potential to do amazing things, but the only thing that makes a computer smart is you! Learn about the relationship between software and the hardware it controls on computers. This the last...

The following video narrated by Paul Andersen explains how resistors and capacitors affect circuits. The resistance of a resistor is affected by the resistivity of the material and the geometry of the resistor. The current through a...

The following video narrated by Paul Andersen explains how electric circuits contain different elements which can be connected in series or in parallel. The following four elements are explained in detail; emf, resistor, capacitor, and...

In this, video Paul Andersen explains how Kirchhoff's Loop Rule can be used to calculate the voltage of different components of a circuit. The sum voltage throughout an entire loop will sum to zero following the law of conservation of...

What are fuses and how are they different from circuit breakers? This video will help illustrate and explain how they work. [4:53]

Analyzes a more complicated resistance problem. [7:06]

In this video we create and wire Bit-zee's bumper switches for a Bit-zee Bot. [9:48]

Looks at resistors that run alongside each other in a parallel series. [12:20]

A discussion of how resistors work in a series. [11:07]

An explanation of a cirucits current and voltage with resistors in parallel. [12:20]

The electrical signal from a radio is converted to light with the help of a 9V battery in this video demonstration. [2:50]

View an example of a reverse circuit. [3:00]

Learn about the instruments we use to measure voltage and current. [8:17]

A video showing the construction of an electrical circuit. Understand the components that are needed to make electricity flow as LED light is powered. [1:30]

Mr. Owens, an online and live teacher for homeschoolers in the Atlanta area presents a lesson on schematic symbols used in circuit diagrams. [4:38]