This interactive simulation guides you through the wiring of the standard breadboard and presents you with questions regarding voltage drops and currents in series resistive circuits.

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.

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

A general summary of electrical resistance including a comparison of AC and DC current.

[Free Registration/Login may be required to access all resource tools.] Batteries have both an ideal internal voltage and a terminal voltage, which is less due to internal resistance. This lesson presents sample problems and a video...

Determine the internal resistance of a battery based on the electrochemical potential and the voltage that is measured at the terminals of the battery when it is being used.

Determine the internal resistance of a battery based on the graph of terminal voltage vs. current. Also find the maximum current and the electrochemical potential.

Find the terminal voltage of a battery with significant internal resistance. Determine the power of one of the external components for the circuit.

This lab is designed to have students look at the change in the terminal voltage of a battery that occurs as you draw more current from the battery.

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

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...

Build an intuitive understanding of current and voltage, and power.

Illustrated explanation of voltage, current, and resistance and the relationship between them.

A short summary of resistance and how it is measured. Including information on AC and DC.

Whether you are looking for an introduction to resistors, volt, and current, or just looking for a reference, this article provides great information for all ability levels. Great videos, diagrams, images, and links to more information...

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.

Measuring voltage drops across resistances in series-parallel circuits requires an understanding of both series and parallel circuit behavior. Learn more with this tutorial.

Measuring the voltage in a circuit is like measuring the drop in pressure across two points. Learn more with this tutorial.

Find out how measuring voltage in a circuit is like measuring the pressure in a water pipe.

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

Students learn about static electricity using terms such as friction, induction, and conduction. They also explain and illustrate the difference between alternating and direct current, and understand the relationship among voltage,...

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 lab is designed to have students investigate the relationships between voltage, resistance and current in a circuit with only one passive component. The batteries in this simulation can be varied from ideal batteries to batteries...

This lab is designed to have students investigate the relationships between voltage, resistance and current in a parallel circuit with up to three passive components. The batteries in this simulation can be varied from ideal batteries to...