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AC Lab - Induction Motor

Textbook

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

Permissive and Interlock Circuits

Textbook

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

Protective Relay Circuits

Worksheets - Motors

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

DC Motor Control Circuits

Worksheets - Motors

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

Switch Types

Textbook

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

Time-Delay Electromechanical Relays

Worksheets - Motors

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

AC Motor Control Circuits

Worksheets - Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Series and Parallel AC Circuits

Worksheets - Motors

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

Lenz’s Law and Faraday’s Law Calculator

Tools

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.

Bipolar Junction Transistors as Switches

Worksheets - Motors

Solid-state switching circuits usually keep their constituent…

DC Generator Theory

Worksheets - Motors

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

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

AC Bridge Circuits

Textbook

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Si Lab - Bipolar Transistor as a Switch

Textbook

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.

Boolean Algebra

Worksheets - Motors

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

Resonance

Worksheets - Motors

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

Linear Computational Circuitry

Worksheets - Motors

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

TTL Logic Gates

Worksheets - Motors

Counting practice: count from zero to thirty-one in binary, octal, and…

Switches

Worksheets - Motors

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

Flyback Switch Mode Regulator Calculator

Tools

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

Arc Flash and Arc Blast

Worksheets - Motors

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

Impedance Matching With Transformers

Worksheets - Motors

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

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

AC Motor Control Circuits

Worksheets - Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

DC Motor Control Circuits

Worksheets - Motors

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

Intro Lab - Circuit With a Switch

Textbook

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.

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

BJT Amplifier Troubleshooting

Worksheets - Motors

As an instructor of electronics, I am called upon frequently to help…

AC Commutator Motors

Textbook

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

Si Lab - Astable Multivibrator Audio Oscillator

Textbook

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…

JFET Quirks

Textbook

Parallel Resistor-Capacitor Circuits

Textbook

Using the same value components in our series example circuit, we will…

Si Lab - Intro to Discrete Semiconductor Circuits

Textbook

In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.

Feedback

Textbook

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

Simulating JFET Circuits Using LTspice

Textbook

Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.

TTL NOR and OR gates

Textbook

TTL Circuit Analysis Let’s examine the following TTL circuit and…

Design Project: Power Inverter

Worksheets - Motors

A common topology for DC-AC power converter circuits uses a pair of…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Basic Ammeter Use

Worksheets - Motors

Show how this ammeter would be connected to the light bulb circuit to…

Batteries

Worksheets - Motors

If I wanted to build a battery-powered electric drill, would it be…

Binary Math

Worksheets - Motors

Counting practice: count from zero to thirty-one in binary, octal, and…

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Instrumentation Amplifier Gain Calculator

Tools

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

OpAmp Oscillator Circuits

Worksheets - Motors

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

Troubleshooting Series and Parallel Circuits

Textbook

The jobs of electronics engineers and technicians frequently entail…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…