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The Relay

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In this animated lesson, students view the operation of an electromechanical relay. A brief quiz concludes the activity.

Kirchhoff's Voltage Law

By Patrick Hoppe

Students read a definition of Kirchhoff's Voltage Law and view examples of its use.
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Sine Wave Fundamentals: Practice Problem #1

By Patrick Hoppe

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave displayed on an oscilloscope screen.
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279
9,652
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The Frequency Generator: Miscellaneous Controls

By Terry Bartelt

Learners read a description of the DC offset function, the 50 ohm and 600 ohm output terminals, and the TTL/CMOS output terminal.
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130
2,579
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Thevenin Voltage: Practice Problems

By Patrick Hoppe

Students work five practice problems to determine the Thevenin voltage of DC circuits.
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In this animated activity, students examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.

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Learners examine how an electromagnet is formed. Animated illustrations show current running through a coil wrapped around an iron core.
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In this animated object, learners examine an analog closed-loop feedback system that uses potentiometers to control the position of a gear rack.

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In this learning activity you'll discover different cultural traditions between East Asian people and North Americans.

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