American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Electric Multipole Field Model
Simulation demonstrating how a point charge, a dipole, or a quadrupole shows field vectors or voltage. Change the charge and see the electric field direction and magnitude, and then record the detector values using a built-in data...
TED Talks
Ted: Ted Ed: National Grid Fully Charged
The National Grid is a high-voltage electric power transmission network, connecting power stations and 340+ substations ensuring supply and demand is in the balance. Nigel Williams speaks to Robert Llewellyn about how the National Grid...
National High Magnetic Field Laboratory
Magnet Academy: Joseph Henry
Joseph Henry was an American scientist who pioneered the construction of strong, practical electromagnets and built one of the first electromagnetic motors. During his experiments with electromagnetism, Henry discovered the property of...
CK-12 Foundation
Ck 12: Ohm's Law
[Free Registration/Login may be required to access all resource tools.] For this lesson, students learn about the invention of the battery and how a battery works, and about resistance in an electrical circuit. As well, Ohm's Law is used...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ohm's Law
Manipulate the voltage and resistance for a simple circuit to see how these affect the amount of current. The symbols in the Ohm's Law equation grow bigger and smaller to emphasize the changes.
Physics Aviary
Physics Aviary: Practice Problems: Current in a Wire Problem
Determine the resistance of a wire based on its composition and its physical dimensions. Find the current that would flow through the wire when the wire is connected to a certain voltage.
Physics Aviary
Physics Aviary: Practice Problems: Electric Field From Two Charges
Determine the net voltage from two charges.
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...
Physics Aviary
Physics Aviary: Series Circuit Lab
This lab is designed to have students investigate the relationships between voltage, resistance and current in a series circuit with up to three passive components. The batteries in this simulation can be varied from ideal batteries to...
Physics Aviary
Physics Aviary: Power of a Light Bulb
This lab is will allow students to vary the resistance of a light bulb and the voltage difference across a light bulb. They will be able to see how these two factors affect the current through the light bulb and the power used by the...
Physics Aviary
Physics Aviary: Electrical Equivalent of Heat Lab
This lab is designed to have students look at the conversion of electrical energy into heat energy. Students will have control over the amount of water in their beaker, the voltage of the power supply and the time they add energy to the...
Physics Aviary
Physics Aviary: Rc Circuit Lab
This lab is designed to have students investigate the factors that affect the rate at which a capacitor discharges. Students can change the resistance and capacitance in the circuit and then monitor the discharging of the capacitor....
Frostburg State University
General Chemistry Online: Redox Reactions Faq
A comprehensive list of questions often asked about redox reactions. Find answers to questions about voltage, rust, and electroless plating in this FAQ.
Concord Consortium
Concord Consortium: Calculating Current in Series Parallel Circuits
Use resistance formulas to determine the total resistances of the series and parallel parts. Then, use Ohm's Law to calculate the voltage drops across and currents through each part.
CK-12 Foundation
Ck 12: Transformers
[Free Registration/Login may be required to access all resource tools.] This lesson looks at the function of transformers, at how turns and voltage ratio are related, and at solving transformer problems with mathematics. Includes a...
Khan Academy
Khan Academy: Application of the Fundamental Laws
We solve a circuit by direct application of the fundamental laws: Apply element laws (Ohm's Law and the like) plus Kirchhoff's Laws to solve for the currents and voltages of a circuit.
Khan Academy
Khan Academy: Electrical Engineering: Circuit Analysis
Circuit analysis is the process of finding all the currents and voltages in a network of connected components. We look at the basic elements used to build circuits, and find out what happens when elements are connected together into a...
Khan Academy
Khan Academy: Resistors in Series and Parallel Review
Review how to find the equivalent resistance for resistors in parallel and series configurations. Recall the current and voltage properties of series and parallel configurations of resistors.
Concord Consortium
Concord Consortium: Crookes Tube
Simulating J.J. Thomson's discovery of the electron. Participate in a simulation where two electrodes are connected to a high voltage source and see them produce cathode rays.
Georgia Department of Education
Ga Virtual Learning: Electric Fields and Electric Potential
In this interactive lesson unit, students will learn about electric fields and charge density. They will explore electric field diagrams and learn how they are used, as well as discover electrostatic potential energy and how it relates...
Science Buddies
Science Buddies: How Bright Is Your Glow Stick? Measure It!
Objects that glow in the dark hold a special place in the imagination of both children and adults. The lights go out at night, but these odd things refuse to disappear. Where does the light come from? Do they work in any climate? In this...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Charges and Fields
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...
TeachEngineering
Teach Engineering: Saltwater Circuit
Students build a saltwater circuit, which is an electrical circuit that uses saltwater as part of the circuit. Students investigate the conductivity of saltwater, and develop an understanding of how the amount of salt in a solution...
TeachEngineering
Teach Engineering: Two Cell Battery
In this hands-on activity, students build their own two-cell battery. They also determine which electrolyte solution is best suited for making a battery.
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