All About Circuits

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Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


Worksheets - Inductors

AC Motor Theory

AC Motor Theory

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


Worksheets - Inductors

Resonance

Resonance

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


Worksheets - Inductors

Why L/R and not LR?

Why L/R and not LR?

Learn About L/R Time Constants It is often perplexing to new students…


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AC Bridge Circuits

AC Bridge Circuits

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


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Series-Parallel Combination AC Circuits

Series-Parallel Combination AC Circuits

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


Worksheets - Inductors

Capacitance

Capacitance

Write an equation describing the precise mathematical relationship…


Worksheets - Inductors

Factors Affecting Inductance

Factors Affecting Inductance

There are four basic factors of inductor construction determining the…


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Inductor Quirks

Inductor Quirks

In an ideal case, an inductor acts as a purely reactive device. That…


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Capacitors and Calculus

Capacitors and Calculus

Capacitors do not have a stable “resistance” as conductors…


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Inductors

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Si Lab - Full-wave Bridge Rectifier With Output Filtering

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.


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Inductance, Reactance, and Admittance Calculator

Inductance, Reactance, and Admittance Calculator

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor


Tools

PN Junctions

PN Junctions

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


Worksheets - Inductors

Inductor Sizing Equation

Inductor Sizing Equation

The Inductance Formula     Wheeler’s formulas for…


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Voltage Divider Circuits

Voltage Divider Circuits

Let’s analyze a simple series circuit and determine the voltage…


Textbook

Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


Worksheets - Inductors

AC Circuit Equations

AC Circuit Equations

Inductive Reactance     Capacitive Reactance    …


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Pi-Match Impedance Matching Calculator

Pi-Match Impedance Matching Calculator

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit


Tools

An Analogy for Ohm’s Law

An Analogy for Ohm’s Law

Ohm’s Law also makes intuitive sense if you apply it to the…


Textbook

AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Inductors

Basic Ohmmeter Use

Basic Ohmmeter Use

Explain how an ohmmeter is able to measure the resistance of a…


Worksheets - Inductors

Potentiometers

Potentiometers

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


Worksheets - Inductors

Op-amp Circuits

Op-amp Circuits

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


Worksheets - Inductors

Speed Distance Time Calculator

Speed Distance Time Calculator

This calculator will solve for either distance, time, or speed given two of the three parameters.


Tools

Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


Textbook

Series-parallel R, L, and C

Series-parallel R, L, and C

Now that we’ve seen how series and parallel AC circuit analysis…


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Calculating Power Factor

Calculating Power Factor

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


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Design Project: Audio Tone Control

Design Project: Audio Tone Control

Suppose you were installing a high-power stereo system in your car,…


Worksheets - Inductors

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

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

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


Textbook

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - Inductors

Practical Considerations - Inductors

Practical Considerations - Inductors

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


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DC Generator Theory

DC Generator Theory

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


Worksheets - Inductors

Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


Worksheets - Inductors

Design Project: Logic Probe

Design Project: Logic Probe

What factors determine where potentiometers Rpot1 and Rpot2 must be…


Worksheets - Inductors

Coil Inductance Calculator

Coil Inductance Calculator

This calculator computes the inductance of a wire coil.


Tools

Kelvin (4-wire) Resistance Measurement

Kelvin (4-wire) Resistance Measurement

Suppose we wished to measure the resistance of some component located…


Textbook

Multiplexers and Demultiplexers

Multiplexers and Demultiplexers

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


Worksheets - Inductors

Electric Shock Data

Electric Shock Data

The table of electric currents and their various bodily effects was…


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Creating Custom Calibration Resistances

Creating Custom Calibration Resistances

Often in the course of designing and building electrical meter…


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Design Project: Sensitive Audio Detector

Design Project: Sensitive Audio Detector

The choice of step-down transformers to use in a project such as this…


Worksheets - Inductors

Strain Gauges

Strain Gauges

If a strip of conductive metal is stretched, it will become skinnier…


Textbook

Series Resistor-Capacitor Circuits

Series Resistor-Capacitor Circuits

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


Textbook

DC Lab - Capacitor Charging and Discharging

DC Lab - Capacitor Charging and Discharging

In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.


Textbook

Questions to Ask Before Proceeding

Questions to Ask Before Proceeding

Has the system ever worked before? If yes, has anything happened to…


Textbook

IGFET Amplifiers

IGFET Amplifiers

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


Worksheets - Inductors

Input and Output Coupling

Input and Output Coupling

To overcome the challenge of creating necessary DC bias voltage for an…


Textbook

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

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

Parallel-in/ serial-out shift registers do everything that the…


Textbook

Averager and Summer Circuits

Averager and Summer Circuits

If we take three equal resistors and connect one end of each to a…


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Logic Signal Voltage Levels

Logic Signal Voltage Levels

Input Voltages for Logic Gates Logic gate circuits are designed to…


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Introduction to Digital Communication

Introduction to Digital Communication

In the design of large and complex digital systems, it is often…


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Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


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Potential Pitfalls

Potential Pitfalls

Fallacious reasoning and poor interpersonal relations account for more…


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TTL Logic Gates

TTL Logic Gates

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


Worksheets - Inductors

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…


Textbook