The Variable Reluctance Stepper Motor
By Terry Bartelt
Learners view colorful animations showing the operation of a VR stepper motor.
Sine Bar Quiz
By Barbara Anderegg
In this learning activity you'll calculate sine bar problems.
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.
By Patrick Hoppe
Learners read a description of inductors and view examples of inductors in series and in parallel.
Kirchhoff's Current Law - Parallel Circuits
In this learning activity you'll explore Kirchhoff's Current Law and view examples of its application.
The 4-Input Truth Table
In this learning activity you'll practice using the 4-input truth table.
Comparing Hydraulics and Pneumatics
Learners examine the differences and similarities between hydraulic and pneumatic systems.
In this animated object, learners study how the internal parts of an AC synchronous motor interact with magnetic fields to cause rotation. A short quiz completes the activity.
Learners study animation showing the operation of an AC wound-rotor motor with its external starting resistors. A short 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.
DC Compound Motors
Learners study animation showing the operation of cumulative and differential DC compound motors. A short quiz completes the activity.
Capacitive Proximity Sensors
In this animated object, learners examine the operation of a capacitive proximity sensor. A brief quiz completes the activity.
Hall-Effect Sensor Application
Learners view practical examples of how a Hall-effect sensor is used.
Operation of Full-Wave Bridge Rectifier
By Matthew Treu
In this learning activity you'll explore the operation of a full-wave bridge rectifier circuit.
Waveforms of an SCR Circuit
Learners view waveforms at various locations of an SCR circuit controlling the intensity a light bulb. The waveforms are shown when the light is dim, at medium brightness, and at full brightness. A brief quiz completes the activity.
Current Divider Rule (CDR)
Students review the Current Divider Rule (CDR) and work practice problems.
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.
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.
Reading Vernier Height Gage Quiz
Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.
The Welder's Tool Bag
In this learning object, you’ll explore what tools should be a part of every welding tool bag.
The schematic symbols of logic gates used in digital circuits are shown.
In this animated object, learners examine how aeration develops in a hydraulic pump. A brief quiz completes the activity.
Comparing Electronic and Hydraulic Components
Learners read about the similarities of electronic and hydraulic components and then match the schematic symbols in a drag-and-drop exercise.
The Processor Scan Cycle
Learners examine the three steps of a processor scan cycle.
Internal Elements of a 555 Timer
In this highly interactive object, learners examine the internal elements of a 555 IC and their operation. Learners then test their knowledge in a variety of exercises.