Covers devices that are used to control the current in an electrical circuit.
Learn about electric circuits, the flow of current, electrical resistance, and electrical power dissipation by exploring the operation of a flashlight.
Explore a different way of thinking about electricity as a way to become familiar with the concept of potential, current, and resistance
Shows how a light bulb lights up and how a fuse protects a circuit.
Reviews the design and use of fuses and circuit breakers.
Discover the relationship between voltage and current in a series circuit.