All About Circuits

Latest Circular Connectors Education

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Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


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Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


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Wire Over Plane Inductance Calculator

Wire Over Plane Inductance Calculator

This calculator helps you compute the inductance of a wire-over-plane setup.


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Rules for Derivatives

Rules for Derivatives

Constant rule Rule of sums Rule of differences Product rule Quotient…


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Electromechanical Relay Logic

Electromechanical Relay Logic

In ladder logic symbolism, an electromechanical relay coil is shown as…


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Copper Wire Gauge Table

Copper Wire Gauge Table

Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…


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Electrical Conduction in Semiconductors

Electrical Conduction in Semiconductors

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


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Non-right Triangle Trigonometry

Non-right Triangle Trigonometry

The Law of Sines (for any triangle) The Law of Cosines (for any…


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AC Lab - Signal and Noise Coupling

AC Lab - Signal and Noise Coupling

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.


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Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


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Common Sources of Hazard

Common Sources of Hazard

Of course, there is a danger of electrical shock when directly…


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Wire Self Inductance Calculator

Wire Self Inductance Calculator

This calculator will help compute the inductance of a length of wire.


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Derivatives of Power Functions of e

Derivatives of Power Functions of e

Example Derivatives of e Proportionality Constant When we say that a…


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What is the Relationship Between Conductance and Resistance?

What is the Relationship Between Conductance and Resistance?

The concept and measurement units of resistance are most often used…


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Characteristic Impedance

Characteristic Impedance

The Parallel Wires of Infinite Length Suppose, though, that we had a…


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AC Lab - Automotive Alternator as AC Generator

AC Lab - Automotive Alternator as AC Generator

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.


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Contact “Bounce”

Contact “Bounce”

When a switch is actuated and contacts touch one another under the…


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Derivative of a Constant

Derivative of a Constant

    (“c” being a constant)   RELATED…


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Contactors

Contactors

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


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Permissive and Interlock Circuits

Permissive and Interlock Circuits

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


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Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

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


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Thyristors

Thyristors

Thyristors are a broad classification of bipolar-conducting…


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Power Density Calculator

Power Density Calculator

A tool designed to calculate the power density of an antenna


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DC Lab - Potentiometer Voltage Divider

DC Lab - Potentiometer Voltage Divider

In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.


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Capacitance Calculator

Capacitance Calculator

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.


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Inductor Commutating Circuits

Inductor Commutating Circuits

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


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Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


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Bipolar Junction Transistors in Active Mode

Bipolar Junction Transistors in Active Mode

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


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Multiplexers

Multiplexers

A multiplexer, abbreviated mux, is a device that has multiple inputs…


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AC Lab - Introduction

AC Lab - Introduction

In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.


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Winding Configurations

Winding Configurations

Transformers with Multiple Secondaries Transformers are very versatile…


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Analog-to-Digital Conversion

Analog-to-Digital Conversion

The circuit shown here is a four-bit analog-to-digital converter…


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Inductor Transient Response

Inductor Transient Response

Inductors have the exact opposite characteristics of capacitors.…


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Capacitor Sizing Equation

Capacitor Sizing Equation

Capacitance Formula     Permittivity of Dielectric  …


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The Silicon-Controlled Rectifier (SCR)

The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…


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Intro Lab - Circuit With a Switch

Intro Lab - Circuit With a Switch

In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.


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Mutual Inductors

Mutual Inductors

Mutual inductors are inductors that capitalize the effect of mutual…


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Boolean Rules for Simplification

Boolean Rules for Simplification

Boolean algebra finds its most practical use in the simplification of…


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Complex Voltage and Current Calculations

Complex Voltage and Current Calculations

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


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Resistors Types

Resistors Types

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


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How to Use Thevenin’s Theorem

How to Use Thevenin’s Theorem

This page will walk you step-by-step through the process of…


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