In this microphones worksheet, students answer five questions about different types of microphones such as moving coil, crystal, and carbon microphones.

Students investigate the properites of a semiconductor device known as a diode. They recognize a diode as a one way conducting device. They describe alternating current and the use of a diode to convert it to direct current. Students...

In this circuits learning exercise, students answer 44 questions about audio tone control circuits, twin-tee filter circuits, and other types of passive filter circuits, their impedance and their design.

Students identify the internal and external components of computers, robots and fan. In this physics lesson, students draw a circuit diagram of their electronic components. They create a battery tester in the lab.

In this electrostatic worksheet, students determine the potential of a charge that moves in an electric field. Students define a coulomb, This worksheet has 5 multiple choice questions and 2 problems to solve.

Young scientists study the construction of a battery through experimentation. They engage in five experiments which combine to create a thorough study of the history of batteries beginning with a model of the first battery.

Students explore the different types of lifters through a series of activities. In this physics lesson, students explain the mechanics involved in the lifter designs. They compare aluminum versus zinc lifters.

College-level physics course highlighting electricity and magnetism. This course is divided into several modules including electric fields, magnetic fields, electromagnetic forces, conductors and dielectrics, electromagnetic waves, and...

Exploratorium Science Snacks are miniature science exhibits and experiments that can be made with common, inexpensive, easily available materials. These electricity snacks represent a set of devices that you can build and experiment with...

College-level electrical engineering course highlighting circuits and electronics. This course introduces the fundamentals of the lumped circuit abstraction. Course features include video lectures, suggested readings, labs, lecture...

Arrange positive and negative charges in space and view the resulting electric field and electrostatic potential. Plot equipotential lines and discover their relationship to the electric field. Create models of dipoles, capacitors, and...

A relatively easy set of instructions for building a Leyden jar, and an easy-to-understand explanation of how it works.

Explore how a capacitor works! Change the size of the plates and add a dielectric to see how it affects capacitance. Change the voltage and see charges built up on the plates. Shows the electric field in the capacitor. Measure voltage...

Text and animated graphic show how lightning is an example of a natural capacitor.

In this interactive tutorial students will be introduced to capacitance and the electric fields inside a capacitor. Learn what factors affect capacitance. Also learn about dielectric and how it affects capacitance.

This article from Khan Academy provides information about capacitors. This information is intended for the Class 12 Physics Course (India).

A study guide covering electrical systems.

Students learn about capacitors and inductors and their role in electrical circuits.

Although specifically designed for physics students at Caltech, anyone interested in learning more about electricity, magnetism or various other physical phenomena can benefit by exploring these interactive applets. A circuit tutorial...

Electric circuits are used to provide a path to electric current. They commonly use three basic electrical components, which are resistors, capacitors, and insulators. They affect the electric current and changes the behavior of the...

Adjust the distance between plates in a parallel-plate capacitor in this simulation, and observe the effects on the electric field.

A simulation investigating a parallel-plate capacitor which is charged by connecting one plate to the positive end of a battery, and the other plate to the negative end. The battery sends electrons from one capacitor plate to the other...

This lab is designed to have students investigate the different changes that could be made to an air filled capacitor and the results that occur because of these changes. Students can vary the gap between the plates, the size of the...

This resource explains how an electrical field is created and the criteria that determines its' strength. Other topics briefly addressed include capacitors and the work of Michael Faraday.