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This animated lesson shows the operation of timer-on and timer-off delay relays used in ladder circuit operate.
By Terry Bartelt
Learners apply the principles associated with Boyle’s Law. A brief quiz completes the activity.
Impedance: Parallel to Series Conversion
By Patrick Hoppe
Students view the formulas to be used to convert a parallel impedance to a series impedance.
Learners examine how an electromagnet is formed. Animated illustrations show current running through a coil wrapped around an iron core.
Brain Exercise: Visualization #1
By Glenn Sokolowski
In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object. Front, side, and top orthographic views are shown.
The schematic symbols of logic gates used in digital circuits are shown.
Instructions on how to use and construct a truth table for digital devices are provided.
The Logic Gates
Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.
In this learning activity you'll review the operation of an Exclusive-NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
The Universal NAND Gate
In this animated activity, learners examine how various NAND gate configurations and the logic signals produced throughout the circuit perform the functions of all of the other types of logic gates.
You'll focus on terminology related to designing a hypothetical program.
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