Answer questions regarding voltage drops across resistors and currents through them in such circuits. Practice calculating the effective resistances of a set of resistances in series and parallel.

In this electronics science fair project, students will make a simple dimmer switch and investigate the relationship between the resistance in the circuit and the amount of light produced. The Science Buddies project ideas are set up...

Electric circuits are used to provide a path to electric current. They commonly use three basic electrical components, which are resistors, capacitors, and insulators. They affect the electric current and changes the behavior of the...

This lesson focuses on Electrical circuits including standard symbols for electrical components, a list of components and what they do, a discussion of various types of resistors, and alternating current and direct current. Links to a...

An electrical circuit simulation modeling the behavior of a voltage source attached in a series to a resistor and capacitor.

Learners investigate circuits. Some topics examined are a photo resistor, capacitor, and diode. The resource includes a circuit applet.

An electrical circuit simulation modeling a resistor, capacitor, and inductor in a series. Vary the resistance, capacitance, inductance and source frequency in the simulation.

When measuring the current in parallel circuits, compare the circuit's total current with the current through just one resistor.

Determine the internal resistance of a battery based on the electrochemical potential and the current that comes out of the battery when it is hooked to a series of resistors connected in parallel.

See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.

Use the tutorial to find the total resistance for resistors in a series circuit.

Use the formula for the parallel resistors to calculate the total resistance in series-parallel circuits.

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.

Kids learn about resistors in series and parallel in the science of electricity and physics including equations, circuits, and example problems.

This simulation shows a simple circuit consisting of an AC voltage source and, depending on the button selected, a resistor, a capacitor or a coil.

A teacher lesson plan is provided here. This page describes two activities in which the effect of multiple resistors on the current and overall resistance of both series and parallel circuits are investigated. Complete activity...

This simulation is about an oscillatory electromagnetic circuit formed by a capacitor and an inductor.

During this activity, students create a working radio by soldering circuit components supplied from an AM radio kit. Since this activity is carried out in conjunction with the associated lessons concerning circuits and how an AM radio...

A general overview of simple AC circuits. Included is a Java applet that lets you change components from a resistor, to a capacitor or coil.

See how a resistor (R), a capacitor (C), and an inductor (L) react with one another in a system.

Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.

Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.

By comparing household electricity to household plumbing, this tutorial makes the concepts of electricity easier to understand. Includes video clips and interactive activities; click on "Instructional Strategies" for teacher resources...

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...