Learners read an analogy comparing an electrical transformer to mechanical gears.

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.

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

The learner will calculate input and output circuit resistance for the Inverting Op-Amp configuration.

Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.

Using text and graphics, this learning activity describes a sine wave, including alternations, cycles, time, amplitude, and degrees

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.