TeachEngineering
Teach Engineering: Pointing at Maximum Power for Pv
Student teams measure voltage and current in order to determine the power output of a photovoltaic (PV) panel. They vary the resistance in a simple circuit connected to the panel to demonstrate the effects on voltage, current, and power...
Concord Consortium
Concord Consortium: Stem Resources: Electric Current
In this interactive, students can explore how current, voltage, and resistance are related in a model showing the flow of electrons in an electric circuit. They will learn about Ohm's law and how other forms of energy can be made from...
CK-12 Foundation
Ck 12: Physical Science: Electric Current
[Free Registration/Login may be required to access all resource tools.] Explains what electric current and voltage are and why electric current occurs.
CK-12 Foundation
Ck 12: Measuring Current and Voltage
[Free Registration/Login may be required to access all resource tools.] Students are introduced to the ammeter, which measures electrical current, and to the voltmeter, which measures voltage.
Georgia State University
Georgia State University: Hyper Physics: Voltage
Electrical currents and voltage are defined and illustrated.
Physics Aviary
Physics Aviary: Practice Problems: Finding Battery Voltage Hardest
Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.
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.
Physics Aviary
Physics Aviary: Practice Problems: Finding Battery Voltage Harder
Determine the voltage of the battery based on the colors of the resistors and the current in the parallel circuit.
Georgia State University
Georgia State University: Hyper Physics: Ohm's Law and Current Law
At this site from Georgia State University Ohm's law is stated in words and using equations. A JavaScript form allows for multiple practice problems with instant feedback and reinforcement. Kirchoff's current law is stated and...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electron Current Flow
A teacher lesson plan which could be easily converted into an idea for a student project or presentation. This page describes an activity in which the water-electricity analogy is used to investigate the relationship between current,...
Physics Aviary
Physics Aviary: Practice Problems: Finding Battery Voltage Medium
Determine the voltage of the battery based on the colors of the resistors and the current in the series circuit.
CK-12 Foundation
Ck 12: Fourth Grade Science: Physical Science: Electric Current
[Free Registration/Login may be required to access all resource tools.] Defines electric current and relates electric current to different materials (insulators and conductors).
Boston University
Elementary Physics: Current and Resistance
A general summary of electrical resistance including a comparison of AC and DC current.
Georgia Department of Education
Ga Virtual Learning: Steady State Direct Current With Batteries & Resistors Only
In this interactive tutorial, students will analyze series circuits and parallel circuits along with complex circuits composed of elements in series and parallel. Learners will use schematics to help them understand these circuits....
Khan Academy
Khan Academy: Basic Electrical Quantities: Current, Voltage, Power
Build an intuitive understanding of current and voltage, and power.
TeachEngineering
Teach Engineering: Electrons on the Move
Students learn about current electricity and necessary conditions for the existence of an electric current. Students construct a simple electric circuit and a galvanic cell to help them understand voltage, current and resistance.
TeachEngineering
Teach Engineering: Get Charged!
Students are introduced to the idea of electrical energy. They learn about the relationships between charge, voltage, current and resistance. They discover that electrical energy is the form of energy that powers most of their household...
Sophia Learning
Sophia: Electric Circuits: Lesson 3
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 3 of 4 in the series titled "Electric Circuits."
TeachEngineering
Teach Engineering: Potato Power
Students use potatoes to light an LED clock (or light bulb) as they learn how a battery works in a simple circuit and how chemical energy changes to electrical energy. As they learn more about electrical energy, they better understand...
Science Struck
Science Struck: Amperage vs. Voltage What Is the Difference?
This article explains what voltage and amperage are and the effect batteries have on them in an electrical circuit.
Tech Target
What Is: Alternating Current (Ac)
This site provides a brief explanation of what an AC current is.
Concord Consortium
Concord Consortium: Finding Voltage With Ohm's Law
Use this tutorial to find the voltage in an electrical current with Ohm's Law.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Circuits
See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.
Other
Easyphysics: Chapter 13 Current Electricity
Learners investigate current electricity. Some topics examined are voltage law, Ohm?s law, and electric resistance. The resource includes example problems with solutions and a chapter quiz.