In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.
The Elementary AC Generator
By Terry Bartelt
Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.
Project Sheet - Darex Drill Grinding Machine
By Kelly Curran
This project gives a drawing with steps to complete the activity.
Transistor Fundamentals: JFET Drain Curves
By Patrick Hoppe
Students examine the drain curves for a JFET. They are also introduced to vocabulary terms and formulas.
By James Bourassa, John Rosz
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
By Lynette Teal
Learners examine the main characteristics of the four financial statements required in accounting: the income statement, the owner's equity statement, the balance sheet, and the statement of cash flow.
Mathematical Expression of an AC Sine Wave
Students view the mathematical expression of an AC waveform with respect to time (t) and read about the different components of this expression.
Phase Relationships Between Line-Neutral and Line-Line Voltages
By Michael Gradinjan, Terry Fleischman
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.
Total Impedance for Series-Parallel Circuits Using Complex Numbers
Students follow the steps for finding the total impedance for a series-parallel circuit. Several examples are given.
Total Impedance for Series-Parallel Circuits Using Complex Numbers: Practice Problems
Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.
Select the word that matches the definition or the quote.
Host Security Terminology
This crossword focuses on host security as well as physical security terms.
Basics of Microsoft Windows
You'll be introduced to basic terminology used by the Microsoft Windows OS.
Creative Commons Attribution-NonCommercial 4.0 International License.
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Give your new group a name.