Abbreviations Representing Electrical Quantities

By Terry Bartelt

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.

Schematic Diagram Symbols

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

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.

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.

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.

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.

GD&T: Geometric Characteristic Symbols

By Glenn Sokolowski

In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.

The Thevenin Theorem

By Patrick Hoppe

This animated object allows students to examine the four steps used to reduce a complex circuit to a simple series circuit.

Ladder Logic Schematic Symbol Flashcards

By John Rosz, Terry Fleischman

This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.

Basic Logic Gates

The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.

Kirchhoff's Voltage Law (KVL): Practice Problems

By Terry Fleischman, Patrick Hoppe

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

Op Amps 5: Non-Inverting Amplifier Circuit Resistance

By Todd Van De Hey

The learner will calculate basic circuit resistance.

Op Amps 6: Circuit Resistance for the Inverting Amplifier

The learner will calculate input and output circuit resistance for the Inverting Op-Amp configuration.

Series-Parallel DC Circuits Analysis

Learners follow a methodical approach for the dc analysis of series-parallel circuits.

Resistor Color Code Practice

In this learning activity you'll build a resistor's color code based on the bands.

Analyze a Part Drawing

In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.

Converting Values in Engineering Notation

By Ron Wallberg

The learner will convert various values to engineering notation.

RPM of AC Motors

Learners study factors that affect the synchronous speed of an AC motor: the applied AC frequency and the number of stator poles.

Sizing Motor Overloads

By Terry Bartelt, Pat Jensen

Learners use the National Electrical Code to determine the size of a motor overload protection device.

Identifying the Number of Significant Digits

Learners will identify the number of significant digits in practice problems.