Build circuits with resistors, light bulbs, batteries, and switches and take measurements with laboratory equipment like the realistic ammeter and voltmeter.

Explore circuits with resistors in parallel and answer questions regarding voltage drops across resistors and currents through them in such circuits.

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.

Play with resistors, light bulbs, wires, switches, a battery, voltmeters, and ammeters in this interactive circuit simulation.

Practice finding the equivalent resistance for parallel and series resistor configurations in this four-problem quiz.

Students manipulate this virtual electronic circuit board where they can add resistors, light bulbs, wires, and ammeters to build a circuit, explore Ohm's law, and compare and contrast series, parallel, and combination circuits. Three...

Practice analyzing circuits using Kirchhoff's laws and Ohm's law with series and parallel resistors.

Explains and illustrates the meaning of parallel connections. Discusses the voltage-current-resistance relationships for parallel connections of resistors. An example problem on parallel calculations can be accessed from this page.

Simulation showing the simplest RC circuit, with a resistor and capacitor in series with one another, and a battery that can be switched in the series, or switched out of the circuit.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about parallel circuit design, and how to calculate equivalent resistance from resistors in a parallel circuit.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about series circuit design, and the role of resistors in maintaining the integrity of a circuit.

Explains and illustrates the meaning of series connections. Discusses the voltage-current-resistance relationships for series connections of resistors. An example problem on series calculations can be accessed from this page.

Determine the amount of power dissipated in a resistor that is part of a series circuit.

Determine the amount of power dissipated in a resistor in a complex circuit.

Determine the amount of power dissipated in a resistor in a complex circuit.

This activity will show how to properly connect wires to make a closed electric circuit. Included in this will be how to connect batteries in series and/or in parallel, and how to properly measure potential drops across a resistor and...

This lab is designed to have students investigate the factors that affect the rate at which a capacitor charges. Students can change the resistance and capacitance in the circuit and monitor the current, voltage and charge on the...

Learners will investigate the differences of current in series, parallel, and complex circuits through the construction of a small house containing the different types of circuits.

Explains how a series circuit works, accompanied by an animation. Lists the rules and formulas that apply to a series circuit.

A very comprehensive site organized well with many topics dealing with AC circuits.

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....

In this interactive tutorial, students will look at circuits that contain both resistors and capacitors. RC circuits allow us to design a circuit where current varies with time. Students will look at how capacitors charge and discharge...

Review the components of a circuit and their symbols such as battery, resistor, and switch. Analyze how the power of a resistor is related to the current and electric potential difference across the resistor.

Discover a sequence of all-resistor DC circuits in which one of the resistors is either open or short-circuited.