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What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Reluctance Motor

Textbook

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

AC Commutator Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Other Specialized Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Selsyn (Synchro) Motors

Textbook

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Impedance

Worksheets - IoT

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

Table (portrait view)

Textbook

  Periodic table of chemical elements.

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Multi-Stage Amplifier

Textbook

PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Multiplexers

Textbook

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

Contributors (7)

Textbook

Contributors to this chapter are listed in chronological order of…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Electron Activity in Chemical Reactions

Textbook

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

Counters

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

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Series-Parallel Combination AC Circuits

Worksheets - IoT

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

Temperature Coefficient of Resistance

Worksheets - IoT

It is a common phenomenon for the electrical resistance of a substance…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Noninverting Amplifier

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Link Budget Calculator

Tools

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

Wire Self Inductance Calculator

Tools

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

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Nonlinear Resistance

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Transistor Ratings and Packages (IGFET)

Textbook

Kirchhoff’s Voltage Law (KVL)

Textbook

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

Step-up and Step-down Transformers

Textbook

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

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

Practical Power Factor Correction

Textbook

When the need arises to correct for poor power factor in an AC power…

Switch Contact Design

Textbook

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

Resistance Calculator

Tools

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - IoT

In this circuit, three resistors receive the same amount of voltage…

Clipper Circuits

Textbook

A circuit which removes the peak of a waveform is known as a clipper.…