AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Worksheets - Relays

Programmable Logic Controllers (PLC)

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

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Digital Logic Functions

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

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Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…

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Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

Textbook

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Worksheets - Relays

Torque Conversion Calculator

A tool designed to convert between units of torque

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AC Lab - Build a Transformer

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.

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Insulated Gate Bipolar Transistors

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

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Resonance

The Q factor of a series inductive circuit is given by the following…

Worksheets - Relays

Arc Flash and Arc Blast

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

Worksheets - Relays

The Bipolar Junction Transistor (BJT) as a Switch

Bipolar junction transistors (Also known as BJTs) can be used as an…

Textbook

Protective Relay Circuits

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

Worksheets - Relays

Synchronous Condenser

Synchronous motors load the power line with a leading power factor.…

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DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…

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Si Lab - Commutating Diode

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.

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Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

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555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

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Tesla Polyphase Induction Motors

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

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Time Constant Calculations

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

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Electromagnetism

The discovery of the relationship between magnetism and electricity…

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AC Bridge Circuits

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

Textbook

Electromechanical Relay Logic

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

Worksheets - Relays

Contact “Normal” State and Make/Break Sequence

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

Textbook

Arithmetic Properties

Associative Property In addition and multiplication, terms may be…

Textbook

Common Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…

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Calculating Power Factor

As was mentioned before, the angle of this “power…

Textbook

Introduction to Insulated-gate Field-effect Transistors

As was stated in the last chapter, there is more than one type of…

Textbook

Specific Resistance of Conductors

Given two lengths of metal wire, which one will have the least…

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Embedded Microstrip Impedance Calculator

This calculator helps you compute the characteristic impedance of an embedded microstrip.

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Table (landscape view)

Periodic table of chemical elements.

Textbook

RMS Voltage Calculator

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.

Tools

Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Tools

Basic Electricity Worksheet

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

Worksheets - Relays

Binary Overflow

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

Textbook

Junction field-effect transistors (JFET)

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

Worksheets - Relays

Meter Check of a Transistor (BJT)

Bipolar transistors are constructed of a three-layer semiconductor…

Textbook

Ring Counters

If the output of a shift register is fed back to the input. a ring…

Textbook

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

A serial-in, parallel-out shift register is similar to the serial-in,…

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Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Relays

Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…

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Feedback

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

Textbook

Snell’s Law Calculator

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Tools

RF Power Conversion Calculator

A tool designed to convert RF power from watts to decibels and vice versa

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