The schematic symbols of logic gates used in digital circuits are shown.
By Terry Bartelt, Terry Fleischman
In this animated object, learners study how the internal parts of an AC synchronous motor interact with magnetic fields to cause rotation. A short quiz completes the activity.
Testing an On/Off Switch
By Terry Bartelt
In this learning activity you'll review methods for testing an on/off switch with an ohmmeter and a voltmeter.
Test your skills at reading a ruler.
Series Circuit Analysis Practice Problems Part 2
By Patrick Hoppe
In this interactive object, learners solve additional problems involving total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.
Schematic Diagram Symbols
In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.
Electrical Switches & Pushbuttons
In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.
In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.
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.
Matching Elements of the Periodic Table
Match the elements by their symbols.
Numbers Names and Symbols
____ greater / less than _____
You will need to match the word problems to their correct answers.
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