Concord Consortium
Concord Consortium: Calculating Reactance
Find out how the current in a circuit can be impeded by three types of circuit components.
Science Struck
Science Struck: Lcr Meter Working Principle and Uses
Explains what an LCR meter is and how it is used to measure the inductance, capacitance, and resistance of a circuit. Lists the different parameters of a circuit that it measures, describes two types of LCR meters, and gives definitions...
Khan Academy
Khan Academy: Using Voltmeters & Ammeters to Measure Potential Diff and Current
Practice identifying the correct placement of voltmeters and ammeters to measure an unknown circuit or electric potential difference for a circuit.
Concord Consortium
Mobile Inquiry Technology: Moving Magnets
This investigation has students examining how electric and magnetic charges are related. They will look at how an electric current is affected by the proximity of a magnet.
Creative Science Centre
Creative Science Centre: Diode Ladder Voltage Multipliers
Explains the design of circuits that can be used to multiply and rectify AC voltages, e.g., to increase voltage in order to light an LED more effectively and get a brighter light from it.
National High Magnetic Field Laboratory
Magnet Academy: Oscillator
Oscillators are a type of circuit found in many types of electronic equipment, including clocks, radios and computers. (Java tutorial)
Physics Aviary
Physics Aviary: Practice Problems: Finding Battery Voltage Simple
Determine the voltage of the battery based on the colors of the resistor and the current in the circuit.
Concord Consortium
Concord Consortium: Measuring Time and Frequency
The voltage in AC circuits oscillates at a rate known as the frequency. With an oscilloscope, see and measure the length of time between signals, and calculate the frequency of an AC signal.
Concord Consortium
Concord Consortium: Why Does Adding Bulbs Make Them All Dimmer?
This tutorial illustrates why adding bulbs to a circuit makes all the bulbs dimmer.
Other
Institute for Telecommunication Sciences: Resonance
This site contains a straightforward definition of resonance in an electrical circuit.
Walter Fendt
Walter Fendt: Simple Ac Circuits
This simulation shows a simple circuit consisting of an AC voltage source and, depending on the button selected, a resistor, a capacitor or a coil.
Walter Fendt
Walter Fendt: Electromagnetic Oscillating Circuit
This simulation is about an oscillatory electromagnetic circuit formed by a capacitor and an inductor.
Science Buddies
Science Buddies: Sliding Light: How to Make a Dimmer Switch With a Pencil
In this electronics science fair project, students will make a simple dimmer switch and investigate the relationship between the resistance in the circuit and the amount of light produced. The Science Buddies project ideas are set up...
California Institute of Technology
Magnet Lab: Caltech Physics Applets
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...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electromagnets
This lesson plan contains several activities designed to help the student understand the magnetic effects of an electrical current.
TeachEngineering
Teach Engineering: Go With the Flow
Students gain an understanding of the difference between electrical conductors and insulators, and experience recognizing a conductor by its material properties. In a hands-on activity, students build a conductivity tester to determine...
Other popular searches
- Basic Electricity Circuits
- Electricity Circuits Current
- Electricity Circuits Safety
- Basic Electricity and Circuits
- Circuits Electricity
- Electricity Circuits Project
- Electricity Circuits Proiect