In this animated and interactive object, learners examine how changes in applied voltage affect the current and voltages in a zener diode voltage regulation circuit. A short assessment completes the activity.

In this interactive object, learners use the Law of Cosines to calculate forces.

In this animated activity, users examine the causes of malfunctions in a hydraulic pressure-reducing valve and the problems that result. A short quiz completes the learning object.

The learner views the operation of a transistor switching from saturation to cutoff. A brief quiz completes the activity.

In this screencast, learners read an explanation of the color code used on schematic diagrams for hydraulic circuits. Circuit examples for each color are shown.

Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.

The learner will understand the operation of motor control circuits used to start and stop three-phase motors.

Students examine how to interpret resistor color code bands to determine resistance values and tolerance ranges. This interactive learning object has audio content and includes exercises.

In this animated object, learners examine how magnetic waves are transmitted as radio signals.

In this animated object, learners view a race of two boats as an example of how the derivative function of a PID controller shortens the time duration of an operation.

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.

Learners view a vector diagram for a series RC circuit and read information concerning the voltage across each component, the total voltage, and the phase angle.

In this animated and interactive object, learners calculate the area and centroid of a circle.

In this interactive and animated object, learners apply the Law of Sines to determine forces using a TI-86 calculator.

In this interactive object, learners examine the operation of an inverting operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.

In this animated activity, learners examine how ground fault circuit interrupters work and why they are an important safety feature.

In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

In this animated object, students view diagrams of the UJT as it is used in the relaxation oscillator circuit. Waveforms illustrate how the circuit operates through several time periods.

Students read an explanation of power factor in a power distribution and how it can be improved by using a power factor correction capacitor bank. A brief quiz completes the activity.

Students view the parts and movements of a combustion engine in this animated activity. Each part is described.

In this animated object, learners read the dimensions of the different types of vehicles typically considered in highway design.

Learners view an animation showing how the volume of a given quantity of gas varies directly with its temperature.

In this learning activity, learners will learn to calculate the average voltage produced by half-wave and full-wave rectifiers.

Learners examine ways to eliminate or minimize the wastes found in business processes. A matching exercise completes the activity.

Learners examine how to raise a number to a power using the TI-83 Plus calculator. Sample problems are given using both real and complex numbers.