Illustrative Mathematics
Illustrative Mathematics: A ced.a.4: Equations and Formulas
In this exercise, students will use inverse operations to solve the equations for the unknown variable, or for the designated variable if there is more than one. Aligns with A-CED.A.4.
University of St. Andrews (UK)
University of St. Andrews: Georg Simon Ohm
More than a dry series of facts about Ohm's life, this page from the University of St. Andrews provides interesting anecdotal accounts which reveal the personality behind the man. Thorough, interesting and an abundance of facts. A great...
Concord Consortium
Concord Consortium: Calculating Impedance
A short tutorial about calculating impedance.
Concord Consortium
Concord Consortium: Finding Resistance With Ohm's Law
Find out how to determine resistance using Ohm's Law.
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: Finding Current With Ohm's Law
Learn how to measure the electrical current using Ohm's Law.
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Series
Use the tutorial to find the total resistance for resistors in a series circuit.
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.
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.
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: Total Resistance in Series Parallel Circuits
Use the formula for the parallel resistors to calculate the total resistance in series-parallel circuits.
Concord Consortium
Concord Consortium: Calculating Current in Parallel Circuits
Use Ohm's Law to calculate the current in parallel circuits.
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Parallel
See how this application of Ohm's Law leads to a formula for the total of parallel resistances.
University of Guelph
University of Guelph: Physics Tutorials: Ohm's Law
Explains Ohm's Law and some facts related to it.
Physics Classroom
The Physics Classroom: Current Electricity: Circuit Connections: Series Circuits
When two or more electrical devices in a circuit can be connected, it is considered a series connection or a parallel connection. When all the devices are connected using series connections, the circuit is referred to as a series...
CK-12 Foundation
Ck 12: Physical Science: Ohm's Law
[Free Registration/Login may be required to access all resource tools.] Ohm's law and how to use it to calculate current.
CK-12 Foundation
Ck 12: Algebra: Determining Asymptotes by Division
[Free Registration/Login may be required to access all resource tools.] Solve circuitry problems that involve rational functions.
CK-12 Foundation
Ck 12: Physics Simulation: Dollhouse
[Free Registration/Login Required] Learn about the analysis of parallel circuits in the context of a realistic household circuit using our interactive simulation. A PDF worksheet and a video tutorial are also available. [3:24]
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...
CK-12 Foundation
Ck 12: Physics Simulation: Marquee Lights
[Free Registration/Login Required] Learn about different ways you can wire an electric circuit, and how the brightness of the lights depends on how they are configured using this interactive simulation. A PDF worksheet and a video...
Khan Academy
Khan Academy: Advanced Circuit Analysis
Practice analyzing circuits using Kirchhoff's laws and Ohm's law with series and parallel resistors.
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: Electric Potential Difference and Ohm's Law Review
Review the key terms, equations, and skills related to Ohm's law, including how electric potential difference, current, and resistance are related.
CK-12 Foundation
Ck 12: Physics: Electrical Systems Study Guide
A study guide covering electrical systems.