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Transistor Fundamentals: Collector Saturation and Collector-Emitter Cutoff

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Students read about the concepts of saturation and cutoff. They view diagrams that illustrate the interaction of the load line and the family of curves.

Total Impedance for Series-Parallel Circuits Using Complex Numbers: Practice Problems

By Patrick Hoppe

Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.
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The Electrician's Wheel of Laws Quiz

By James Bourassa

Learners test their knowledge of the variations of Watt's Law and Ohm's Law with this quiz.
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Tooling Around With Toolbars

By Jeffrey Laurich, Craig Black

Students examine AutoCAD toolbars and toolbar commands. They then test their knowledge in a matching exercise.
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Circuit Protection

By Terry Bartelt

In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.
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