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Simple Circuits

Worksheets - Residential

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

Rectifier Circuits

Worksheets - Residential

Don’t just sit there! Build something!! Learning to mathematically…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

AC Motor Theory

Worksheets - Residential

Electromechanical watt-hour meters use an aluminum disk that is spun…

AC phase

Worksheets - Residential

If we were to express the series-connected DC voltages as phasors…

Light-Pulse Switch

Worksheets - Residential

It is fairly important to use large value resistors (10 MΩ works…

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Static Electricity

Worksheets - Residential

What does it mean for an object to have an electric charge? Give an…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Design Project: LED Stroboscope

Worksheets - Residential

A technician uses a stroboscope to “freeze” the rotation of a…

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Current Divider Circuits

Worksheets - Residential

Don’t just sit there! Build something!! Learning to mathematically…

Switches

Worksheets - Residential

What is the purpose of the switch shown in this schematic diagram?

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Thyristor Application Circuits

Worksheets - Residential

Don’t just sit there! Build something!! Learning to mathematically…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Atomic Structure

Worksheets - Residential

Shown here is a simplified representation of an atom: the smallest…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Basic Troubleshooting Strategies

Worksheets - Residential

A chandelier has five light bulbs in it, and one of them is not…

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Radicals

Textbook

Definition of a Radical Given the expression where “x” is…

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

Lock-out / Tag-out

Worksheets - Residential

In this motor control circuit, how would you ensure that there is no…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Potentiometers

Worksheets - Residential

Don’t just sit there! Build something!! Learning to mathematically…

Time Constant Circuits

Worksheets - Residential

Generally speaking, how many “time constants” worth of time does…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Residential

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Ohm’s Law

Worksheets - Residential

For a given amount of water pressure, which will flow a greater rate…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Design Project: DC Voltage Regulator

Worksheets - Residential

It may seem difficult to even start on a project such as this, with no…

Tube Parameters

Textbook

For bipolar junction transistors, the fundamental measure of…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…