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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.

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

DC Generator Theory

Worksheets - Motor Control

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

Basic Troubleshooting Strategies

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

AC Motor Control Circuits

Worksheets - Motor Control

Perhaps the most challenging aspect of interpreting ladder diagrams,…

AC Motor Theory

Worksheets - Motor Control

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Motor Control

Calculate the voltage output by the secondary winding of a transformer…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Motor Control

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Safety Grounding

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

Resonance

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

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Motor Control Circuits

Textbook

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

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

AC Commutator Motors

Textbook

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

Fundamentals of Radio Communication

Worksheets - Motor Control

What does the acronym RF stand form, in reference to radio-related…

Tube Lab - Vacuum Tube Audio Amplifier

Textbook

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

Tesla Polyphase Induction Motors

Textbook

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

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Motor Control

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Introduction to Network Theorems for Circuit Analysis

Textbook

Anyone who’s studied geometry should be familiar with the…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

The Common-drain Amplifier (IGFET)

Textbook

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Elementary Amplifier Theory

Worksheets - Motor Control

Fundamentally, an amplifier is a device that takes in a low-power…

Metric Prefixes and Unit Conversions

Textbook

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

Textbook

When analyzing complex series and parallel circuits, it is easy to…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Active Versus Passive Devices

Textbook

Passive Devices Components incapable of controlling current by means…

Wire Stripline Impedance Calculator

Tools

A calculator for computing the impedance of a wire stripline.

Ammeter Design

Worksheets - Motor Control

What would happen to this meter movement, if connected directly to a…

AC Lab - Variable Inductor

Textbook

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Analog Lab - Precision Voltage Follower Using an Op Amp

Textbook

In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…