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Voltage Regulation

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In this animated activity, learners examine how the speed of a motor may change if the voltage from the power source fluctuates due to power line irregularities. This lesson has audio content.

The Horizontal Portion of the Sine Wave

By Terry Bartelt

In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.

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Series Circuit Analysis Practice Problems Part 1

By Patrick Hoppe

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.
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Voltage and Resistors

By Tim Tewalt

This is an animated troubleshooting exercise that takes voltage measurements to determine the fault of three different series circuits. There are six review questions that enable the learner to determine the effectiveness of the troubleshooting presentation.
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3,545
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Motor Control: Hands-on Testing and Troubleshooting Procedures for the Motor Control Lab

By Dick Dierks

Learners follow a step-by-step explanation of how to test fuses and circuit interrupting devices.
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Standards: 5.P3U1.4 and 3-PS2-1
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Calculate values in parallel circuit
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Match the exponent or radical to its equivalent form or value.
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