The Magnetron Ignition System

By Terry Bartelt

Learners read an explanation of how the Magnetron Ignition System uses a solid state switching component, a step-up transformer, and magnetism to provide a high voltage spark in a one-cylinder combustion engine.

Basic Types of Lines Used in Engineering Drawings

By Kelly Curran, Glenn Sokolowski

In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. A quiz completes the activity.

Cascading Counters

Learners observe how to cascade PLC counters to extend the maximum count of one counter.

Three-Phase Delta Transformer Calculations

By James Bourassa

Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.

The Time Proportioning Operational Amplifier (Screencast)

In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.

Reaction Curve Tuning Example

Learners perform the steps required for the Ziegler-Nichols Reaction Curve Tuning Method. The process identification procedure is performed, calculations are made, and the proper PID values are programmed into the controller.

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.

AC Capacitor: A Water Tank Analogy

By Roger Brown

In this animated lesson, students read an analogy comparing water in a "special" water tank to the current "flow" through a capacitor.

Effects of a Rheostat in a Series Circuit

In this animated object, learners examine how the way in which a rheostat is connected in series with other resistors causes current and voltage to change as the resistance is varied. A brief quiz completes the activity.

Discharging Time Constants of an RC Circuit (Screencast)

In this animated object, learners examine how current, voltage and the discharging capacitor of a series RC changes during 5 time constants. A brief quiz completes the activity.

Designing a Ladder Diagram

In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

Transfer Functions: The RL High Pass Filter

By Patrick Hoppe

Learners read how the RL high pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

Opens Affecting Current in a Series Circuit

In this learning activity you'll review how an open in a series circuit affects current.

GD&T: Geometric Characteristic Symbols

By Glenn Sokolowski

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

Active Region Operation of a Transistor

Learners view the operation of an NPN transistor in the active region.

AC Current Flow

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

What Is Electricity?

The learner studies how electrons travel from one atom to the next. Examples demonstrate how voltage is created by the use of a battery or through magnetism. A quiz completes the activity.

Armature Action of AC Motors

In this animated object, learners study the rotation of the magnetic stator field of an AC motor and how it interacts with the armature to cause rotation. A short quiz completes the activity.

Calculating Horsepower, RPM, and Torque

By James Bourassa, John Rosz

In this animated and interactive object, learners examine the formula for horsepower and work practice problems.

Inductors

This learning activity describes the abilities of an inductor coil to oppose alternating current and to pass direct current.

Voltage and Current Amplitudes in a Series RLC Circuit

Learners examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.

Norton's Theorem

Learners follow the steps for reducing all of the elements of a complex circuit to a single current source and a single source resistance to create a simple circuit. Several examples are given for dc circuits. The conversion between Thevenin and Norton is also presented.

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.

Hydraulic Schematic Symbol Flashcards

By John Rosz

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

Comparing Hydraulics and Pneumatics

Learners examine the differences and similarities between hydraulic and pneumatic systems.