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Bipolar Junction Transistor Vocabulary

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Students read the terms associated with the Bipolar Junction Transistor (BJT) . They also view formulas for dc current and voltage.

Excess Gain of Optical Sensors

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In this animated activity, learners examine how to change the gain of an optical sensor to overcome environmental conditions and distance.

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Series Inductance

By Patrick Hoppe

In this learning activity you'll calculate the total inductance of a series circuit.
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Parallel Capacitance

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In this learning activity you'll review the steps for determining the total capacitance of a parallel circuit and work practice problems.

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Transformers - A Mechanical Gear Analogy

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Learners read an analogy comparing an electrical transformer to mechanical gears.

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