All About Circuits

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What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


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Inductive Reactance

Inductive Reactance

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


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


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Servo Motor Systems

Servo Motor Systems

Explain the operation of this “H-bridge” motor control circuit: At…


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DC Generator Theory

DC Generator Theory

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


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Contactors

Contactors

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


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Motor Control Circuits

Motor Control Circuits

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


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AC Instrumentation Transducers

AC Instrumentation Transducers

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


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DC Motor Control Circuits

DC Motor Control Circuits

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


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Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


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Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


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Single-phase Induction Motors

Single-phase Induction Motors

A three-phase motor may be run from a single-phase power source.…


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Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


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Reluctance Motor

Reluctance Motor

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


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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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AC Motor Theory

AC Motor Theory

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


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Oscilloscope Trigger Controls

Oscilloscope Trigger Controls

A very useful tool for observing rotating objects is a strobe light.…


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DC Motor Theory

DC Motor Theory

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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Linear Computational Circuitry

Linear Computational Circuitry

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


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Electric Shock

Electric Shock

It is sometimes said regarding electrical safety that, Ït’s not the…


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Motor Control Circuits

Motor Control Circuits

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


Textbook

DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Electric Vehicles

AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Electric Vehicles

Servo Motor Systems

Servo Motor Systems

Explain the operation of this “H-bridge” motor control circuit: At…


Worksheets - Electric Vehicles

Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Electric Vehicles

Single-phase Induction Motors

Single-phase Induction Motors

A three-phase motor may be run from a single-phase power source.…


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AC Commutator Motors

AC Commutator Motors

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


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


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Reluctance Motor

Reluctance Motor

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


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Boolean Algebra

Boolean Algebra

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


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AC Motor Theory

AC Motor Theory

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


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Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


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Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

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


Tools

Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

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


Worksheets - Electric Vehicles

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

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


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555 Lab - LED Flasher with Inductive Flyback

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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Digital Codes

Digital Codes

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


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Clipper Circuits

Clipper Circuits

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


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Insulated-gate Field-effect Transistors (MOSFET)

Insulated-gate Field-effect Transistors (MOSFET)

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…


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Magnetic Units of Measurement

Magnetic Units of Measurement

If the burden of two systems of measurement for common quantities…


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The S-R Latch

The S-R Latch

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


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Phase Rotation

Phase Rotation

Three-Phase Alternator Let’s take the three-phase alternator…


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Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

We have the symbols for depletion mode and enhancement mode MOSFETs -…


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Si Lab - BJT Common-emitter Amplifier

Si Lab - BJT Common-emitter Amplifier

In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.


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Contributors (9)

Contributors (9)

Contributors to this chapter are listed in chronological order of…


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Voltage and Current Calculations

Voltage and Current Calculations

There’s a sure way to calculate any of the values in a reactive…


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Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


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Programmable Logic Technology

Programmable Logic Technology

Define the following acronyms as they apply to digital logic circuits:…


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AC Network Analysis

AC Network Analysis

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


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Digital Lab - 7-segment LED Display

Digital Lab - 7-segment LED Display

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.


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Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.


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AC Lab - Musical Keyboard as a Signal Generator

AC Lab - Musical Keyboard as a Signal Generator

In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.


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Digital Lab - S-R Latch Using NOR Gates

Digital Lab - S-R Latch Using NOR Gates

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.


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Gate Universality

Gate Universality

NAND and NOR gates possess a special property: they are universal.…


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Coax Impedance Calculator

Coax Impedance Calculator

A helpful tool for calculating the impedance of a coaxial cable.


Tools

AC Resistor Circuits (Capacitive)

AC Resistor Circuits (Capacitive)

Pure resistive AC circuit: voltage and current are in phase.  …


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