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Algebraic Equation Manipulation for Electric Circuits

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The electrical resistance of a conductor at any temperature may be…

Soldering

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Both soldering irons and soldering guns are tools used in the process…

Resistors

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Shown here is the schematic symbol for a resistor: What is the purpose…

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Open-Loop OpAmp Circuits

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Determine what the magnitude and polarity of the voltmeter’s…

Noise Figure and Noise Temperature Calculator

Tools

This calculator computes the noise figure and noise temperature in a system

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Electrical Conduction in Semiconductors

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In any electrically conductive substance, what are charge carriers?…

Batteries

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If I wanted to build a battery-powered electric drill, would it be…

Ohm’s Law Practice Worksheet With Answers

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Define the following terms: energy, work, and power.

Temperature Coefficients of Resistance Table

Textbook

Temperature Coefficients of Resistance at 20 Degrees Celsius Material…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Temperature Coefficient of Resistance

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It is a common phenomenon for the electrical resistance of a substance…

AC Motor Control Circuits

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Perhaps the most challenging aspect of interpreting ladder diagrams,…

AC Power

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If a sinusoidal voltage is applied to an impedance with a phase angle…

Ohm’s Law

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Derivative of a Constant

Textbook

(“c” being a constant)

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a linear semiconductor device that controls current…

Basic Ammeter Use

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Show how this ammeter would be connected to the light bulb circuit to…

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Design Project: Radio Transmitter

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Research the FCC (Federal Communication Commission) guidelines on…

Current Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Antenna Downtilt and Coverage Calculator

Tools

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

Binary Overflow

Textbook

One caveat with signed binary numbers is that of overflow, where the…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Insulated Gate Bipolar Transistors

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What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Numeration Systems

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Digital computers communicate with external devices through ports:…

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Parallel Resistance Calculator

Tools

Calculate the total resistance of resistors in parallel with ease!

TTL Logic Gates

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Counting practice: count from zero to thirty-one in binary, octal, and…