Students view the mathematical expression of a sinusoidal waveform with respect to time (t) and solve five problems. The answers are provided so students may check their work.

Learners examine the formulas that are used to determine the proper PID values to be entered into a controller using the Ziegler-Nichols Continuous Cycling Tuning Method.

In this animated object, learners examine the fundamental operation of a noninverting operational amplifier. A brief quiz completes the activity.

This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.

Students listen to three telephone messages and enter their evaluation of each one. They then read a list of guidelines for leaving effective messages.

In this learning activity you'll identify the various parts of a bar graph, read and interpret its data, and calculate the data to solve various application problems.

In this learning activity you'll establish your budget by determining your earnings, expenses, and goals.

Learners view a demonstration showing that line-neutral voltages and line-line voltages are not in-phase with each other, but have a definite 30-degree relationship.

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.

Design principle review

vocabulary from "Recipe for Reading"

Test your knowledge of some common computer hardware acronyms.