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RPM of AC Motors

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Learners study factors that affect the synchronous speed of an AC motor: the applied AC frequency and the number of stator poles.

Series RL Circuit Vector and Circuit Analyzer

By James Bourassa, John Rosz

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

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DC/AC I: Unit 4 Sample Exam

By Patrick Hoppe

In this interactive object, learners answer nine questions about series and parallel circuits. Immediate feedback is provided.

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Statics -- Trig: The Law of Sines

By Steve Whitmoyer

In this interactive object, students use the Law of Sines to calculate forces.

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A Timer-Off Application

By Terry Bartelt

Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.
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