Physics Aviary
Physics Aviary: Practice Problems: Finding Battery Voltage Very Hard
Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.
Concord Consortium
Concord Consortium: Measuring Voltage in Series Parallel Circuits
Measuring voltage drops across resistances in series-parallel circuits requires an understanding of both series and parallel circuit behavior. Learn more with this tutorial.
Concord Consortium
Concord Consortium: Measuring Voltage in Series Circuits
Measuring the voltage in a circuit is like measuring the drop in pressure across two points. Learn more with this tutorial.
Concord Consortium
Concord Consortium: Measuring Voltage on a Breadboard
Find out how measuring voltage in a circuit is like measuring the pressure in a water pipe.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Parallel Circuits
Use the series and parallel resistance formulas to determine the total resistances of the parts. Then, use Ohm's Law to calculate the voltage drops across each part.
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.
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.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ohm's Law
An interactive simulation that teaches about Ohm's Law, circuits, and current by observing how adjusting the voltage and resistance changes current according to Ohm's Law. This simulation can either be downloaded or played online and...
Science Buddies
Science Buddies: Build a Reed Switch Motor
After building a simple electric motor from a kit, with this experiment you can explore how voltage affects motor speed. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Electric Circuits
In this unit students discover the meaning and some applications of electric potential, commonly known as voltage, and how it powers some simple circuits.
TeachEngineering
Teach Engineering: Exploring Solar Power
This unit provides students the opportunity to explore methods engineers have devised for harnessing sunlight to generate power. Students will initially explore heat transfer and heat storage through the construction, testing, and...
TeachEngineering
Teach Engineering: Can You Resist This?
This lab demonstrates Ohm's law as students set up simple circuits each composed of a battery, lamp and resistor. Students calculate the current flowing through the circuits they create by solving linear equations. After solving for the...
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: Whose Field Line Is It, Anyway?
Students teams each use a bar magnet, sheet of paper and iron shavings to reveal the field lines as they travel around a magnet. They repeat the activity with an electromagnet made by wrapping thin wire around a nail and connecting...
TeachEngineering
Teach Engineering: The Electric and Magnetic Personalities of Mr. Maxwell
Students are briefly introduced to Maxwell's equations and their significance to phenomena associated with electricity and magnetism. Basic concepts such as current, electricity and field lines are covered and reinforced. Through...
Georgia State University
Georgia State University: Hyper Physics: Resistor Combinations
At this site from Georgia State University parallel and series connections of resistors are explained and illustrated. Equations for computing the overal voltage, current, and resistance of such circuits are given and explained.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Ohm's Law
For the teacher planning a instructional activity or for the student preparing for a project or presentation. This page describes a series of simple activities related to the voltage-current-resistance relationship.
Sophia Learning
Sophia: Electric Circuits: Lesson 2
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 2 of 4 in the series titled "Electric Circuits."
Sophia Learning
Sophia: Electric Circuits: Lesson 4
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 4 of 4 in the series titled "Electric Circuits."
ClassFlow
Class Flow: Electricity
[Free Registration/Login Required] Students can use this Flipchart to learn and apply Ohm's law to basic circuitry problems. Students are introduced to the relationship among voltage, current, and resistance, and then apply their newly...
CK-12 Foundation
Ck 12: Physics Simulation: Power Lines
[Free Registration/Login Required] Learn about the relationship between electric potential, current, and resistance in the context of high-voltage AC power lines using this interactive simulation. A PDF worksheet and a video tutorial are...
Khan Academy
Khan Academy: Electrical Engineering: Introduction
Some basic concepts to introduce the electrical engineering course. Become familiar with engineering numbers and notation, and learn about the two most important electrical quantities: current and voltage.
Concord Consortium
Concord Consortium: Measuring Ac Circuits With a Dmm
Find out how the SPARKS DMM can measure AC voltage and current.
Oswego City School District
Regents Exam Prep Center: Electricity: The Mouse Cheese Analogy
This page uses a mouse and cheese analogy to show the relationships involved in electricity through currents and charges. Among the topics covered by the analogy are voltage, resistance and electromagnetism.