Interpreting the Resistor Color Code

By Terry Bartelt

Students examine how to interpret resistor color code bands to determine resistance values and tolerance ranges. This interactive learning object has audio content and includes exercises.

Total Resistance of a Series Circuit

By Patrick Hoppe

In this learning activity you'll review the process of solving for the total resistance in a series DC circuit.

Voltage Dividers

In this learning activity you'll determine the voltages that can be topped off of a multi-resistor voltage divider that has one main power source.

Total Resistance in a DC Parallel Circuit

In this learning activity you'll determine the total resistance in a DC parallel circuit.

Inductive Reactance Demonstration 1

Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.

Wheatstone Bridge

Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.

Methods of Producing Electricity

In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.

Abbreviations Representing Electrical Quantities

In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.

How Current Requires Voltage

This learning activity uses a water pressure analogy to present the concept that voltage pressure is required to cause current flow.

Electrical Switches & Pushbuttons

In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.

Capacitors Series - Parallel: Practice Problems

Students complete 10 practice problems.

Circuit Protection

In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.

Series-Parallel Circuit Analysis: Practice Problems Circuit 1

In this interactive object, learners analyze a series-parallel DC circuit problem in a series of steps. Immediate feedback is provided.

The Magnetic Circuit

Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.

Voltage Sources in Series

In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.

Electrical Opens and Shorts

By Terry Bartelt, David Schwid

In this animated activity, learners examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.

Schematic Diagram Symbols

In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.

The Broadband Telco Services Subscriber Loop

By dan.schullo

Walk through the subscriber loop and learn how the signal travels from the central office to the subscriber.

Kirchhoff's Current Law: Practice Problems

Learners review Kirchhoff's Current Law and work six practice problems. Feedback is given.

Elements of a Closed-Loop System

By Terry Bartelt, Terry Fleischman

Learners study an animated block diagram that describes the function of each element in a closed-loop system used in industrial automation.

The Three-Phase AC Generator

By Terry Fleischman

In this 3D animated object, learners examine the way in which a three-phase generator produces three sine waves with three armature coils. A quiz completes the activity.

Equivalent Gates/Ladder Logic Circuits

Learners will identify ladder logic diagrams and the logic functions they perform.