Three Phase Wye Transformer Calculations

By James Bourassa

In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.

Abbreviations Representing Electrical Quantities

By Terry Bartelt

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

Active Region Operation of a Transistor

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

Sine Bar Quiz

By Barbara Anderegg

In this learning activity you'll calculate sine bar problems.

Series Circuit Analysis Practice Problems Part 1

By Patrick Hoppe

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Transfer Functions: The RL High Pass Filter (Screencast)

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.

Analyze a Part Drawing

By Glenn Sokolowski

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

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.

GD&T: Geometric Characteristic Symbols

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

The Basic Operation of a Diode

In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.

Comparing Hydraulics and Pneumatics

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

Print Reading: An Alphabet of Lines in Print Reading

By Kelly Curran

In this animated activity, learners read about the types of lines found on blueprints. A quiz completes the activity.

Gear Nomenclature (Screencast)

In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

Brain Exercise: Visualization #3

Learners develop 3D visualization skills by examining front, side, and top orthographic views of objects. Using this information, students select the corresponding isometric view of each object.

The Edison Wire System

Learners read a description of the wiring configuration of a residential Edison Wire System, which consists of a transformer secondary circuit. The circuit supplies two 115-volt sources and one 230-volt source.

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.

Logic Symbols

The schematic symbols of logic gates used in digital circuits are shown.

Powers of Ten: The Proper Use of Symbols

Students read about the six common terms used to represent the powers of ten in the field of electronics and complete two matching exercises.

Simple Pneumatic Circuits

Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.

Using a Depth Micrometer

By Terry Fleischman

Learners will test their ability to read a depth micrometer in this interactive quiz.

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.

Milling Machine Inspection

By Excelsior College

In this simulation activity, the lubrication fluid in a milling machine is tested, the condition of its 24 drill bits are inspected and identified before replacing those that are defective.

What Is Torque?

Learners read a description of torque and study the factors that cause its magnitude to change. A brief quiz completes the activity.

Gear Ratio Concepts (Screencast)

In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.

Basic Logic Gates

By Terry Bartelt, Terry Fleischman

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.