Categories

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

Rheostat Range Limiting

Textbook

PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…

Capacitors

Worksheets - Resistors

Identify some of the different types of capacitors, and their…

Capacitance

Worksheets - Resistors

Write an equation describing the precise mathematical relationship…

Rate-of-change Indicator

Textbook

PARTS AND MATERIALS Two 6 volt batteries Capacitor, 0.1 µF…

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Sensitive Voltage Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Resistor Color Code Calculator and Chart (4-band, 5-band or 6-band)

Tools

A handy tool for reading resistor color code values

Potentiometer as a Voltage Divider

Textbook

PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…

Switched Capacitor Circuitry

Worksheets - Resistors

Write an equation describing the precise mathematical relationship…

Precision Potentiometer

Textbook

PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…

Open-Loop OpAmp Circuits

Worksheets - Resistors

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

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Bipolar Transistor Biasing Circuits

Worksheets - Resistors

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

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Precise Diode Circuits

Worksheets - Resistors

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Pi-Match Impedance Matching Calculator

Tools

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

Capacitor Transient Response

Textbook

Because capacitors store energy in the form of an electric field, they…

Zener Diodes

Worksheets - Resistors

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

AC Motor Control Circuits

Worksheets - Resistors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Resistors Types

Textbook

These are the most common types of resistors available. Resistors…

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Wire-by-Number project kit introduction

Worksheets - Resistors

Wire-by-Number project: simple voltage divider Description: Build a…

Inductors and Calculus

Textbook

Inductors do not have a stable “resistance” as conductors…

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

Temperature Coefficient of Resistance

Textbook

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

AC Motor Theory

Worksheets - Resistors

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

Building Series-Parallel Resistor Circuits

Textbook

Once again, when building battery/resistor circuits, the student or…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Resistors

When lightning strikes, nearby magnetic compass needles may be seen to…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Kirchhoff’s Laws

Worksheets - Resistors

Many electronic circuits use what is called a split or a dual power…

Clipper and Clamper Circuits

Worksheets - Resistors

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

Arc Flash and Arc Blast

Worksheets - Resistors

Electromechanical relays used to start and stop high-power electric…

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

Common-Emitter Amplifier

Textbook

PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…

Protective Relay Circuits

Worksheets - Resistors

Protective relays are special power-sensing devices whose job it is to…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

Impedance Transformation

Textbook

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

Circuit Components

Textbook

Remember that this tutorial is not exhaustive by any means, and that…

Table (portrait view)

Textbook

  Periodic table of chemical elements.

A Very Simple Circuit

Textbook

Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Introduction to Complex Numbers

Textbook

If I needed to describe the distance between two cities, I could…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…