Introduction to Class 3 Levers

By James Bourassa, John Rosz

In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.

Gear Nomenclature (Screencast)

By James Bourassa

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

By Glenn Sokolowski

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

By Terry Bartelt

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.

Optical Encoders (Screencast)

Learners examine the internal components of an optical encoder used in automated manufacturing applications. A brief quiz completes the animated activity.

Powers of Ten: The Proper Use of Symbols

By Patrick Hoppe

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.

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.

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.

Statics - Trig: The Pythagorean Theorem Using a TI-36XCalculator

By Steve Whitmoyer

In this animated and interactive object, the learner uses a TI-36X calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.

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.

The Zener Diode: Practice Problems

Students complete 10 practice problems. These deal with the determination of series current, zener current, and load current, and if the zener diode is operating in the breakdown region.

Pressure Measurements in Inches of Water Column

Learners read how inches of water column is used as a unit of pressure measurement. Practical applications and a conversion formula to psi are included.

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.

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.

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.

Opens Affecting Current in a Series Circuit

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

Inductors

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

Hydraulic Directional Control Valves

In this animated activity, learners examine the operation of hydraulic directional control valves and the internal components that divert the fluid.

Excel: Rectangular to Polar Conversion for Magnitude

Learners read how to convert complex numbers to their polar equivalent in Excel.

Motor Starter Protection

Learners examine the ways in which a motor starter circuit is protected by a main circuit breaker and overload heaters when there is excessive current.

Parallel Circuit Analysis Practice Problems: Circuit #5

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 by each resistor.

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.