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Resistor Color Code Description

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In this interactive activity, students read about the colored stripes on a resistor and interpret the placement of those colors to determine the value of four-band resistors.

A Sample DC/AC I Exam

By Patrick Hoppe

Students complete a sample exam for DC/AC I. It provides an overview of the material presented in the course.
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DC/AC I: Unit 10 Sample Exam

By Patrick Hoppe

Learners answer eight questions about capacitors. Help pages are available.

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Reversing the Rotation of DC Motors

By Terry Bartelt, Terry Fleischman

Learners view animations showing how to change the connections to cause a DC motor to reverse its rotation. A short quiz completes the activity.
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Point of Use Storage

By Kaye Krueger

Learners read about the benefits of storing raw materials within 3 feet of the work area where they will be used.

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Total Impedance of a Series Circuit Using Complex Numbers: Practice Problems

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Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

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Total Impedance of a Parallel Circuit Using Complex Numbers: Practice Problems

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

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Potentiometer Application

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In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.
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Color Schemes

This game will review primary, secondary, warm and cool color schemes.
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Creative Commons Attribution-NonCommercial 4.0 International License.

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