Categories

Inductive Reactance

Worksheets - Relays

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

Linear Computational Circuitry

Worksheets - Relays

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

Encoders and Decoders

Worksheets - Relays

What does it mean, in general terms, to encode something? Conversely,…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Time-Delay Electromechanical Relays

Worksheets - Relays

What does the normal status of an electrical switch refer to?…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Miscellaneous Diode Applications

Worksheets - Relays

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

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

DC Generator Theory

Worksheets - Relays

Generators used in battery-charging systems must be regulated so as to…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Vacuum Tube Audio Amplifier

Textbook

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

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

Latch Circuits

Worksheets - Relays

What do you think this logic buffer gate will do, with the output…

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Flip-Flop Circuits

Worksheets - Relays

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Relays

(Template)

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

Impedance Matching With Transformers

Worksheets - Relays

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

DC Generator Theory

Worksheets - Relays

Generators used in battery-charging systems must be regulated so as to…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

DC Motor Control Circuits

Worksheets - Relays

How is it possible to electrically measure the torque output by a…

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Switches

Worksheets - Relays

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

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

Basic Algebra and Graphing for Electric Circuits

Worksheets - Relays

Many different equations used in the analysis of electric circuits may…

Insulated Gate Field-Effect Transistors

Worksheets - Relays

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

Design Project: Audio Tone Control

Worksheets - Relays

Suppose you were installing a high-power stereo system in your car,…

Electron Activity in Chemical Reactions

Textbook

So far in our discussions on electricity and electric circuits, we…

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

Trigonometry for AC Circuits

Worksheets - Relays

Identify which trigonometric functions (sine, cosine, or tangent) are…

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

Textbook

The table method provides a structured methodology for ensuring you…

AC Motor Theory

Worksheets - Relays

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

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

DC Bridge Circuits

Worksheets - Relays

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

Computer Simulation of Electric Circuits

Textbook

Computers can be powerful tools if used properly, especially in the…

What is Norton’s Theorem and the Norton Equivalent Circuit?

Textbook

This article explains the step-by-step process for determining the…

DC Lab - Potentiometric Voltmeter

Textbook

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…