All About Circuits

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Intro Lab - Nonlinear Resistance

Intro Lab - Nonlinear Resistance

In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.


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DC Lab - Precision Potentiometer

DC Lab - Precision Potentiometer

In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.


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Digital Logic Signals

Digital Logic Signals

A rheostat (variable resistor) and a switch are both examples of…


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DC Branch Current Analysis

DC Branch Current Analysis

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


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Specific Resistance of Conductors

Specific Resistance of Conductors

Given two lengths of metal wire, which one will have the least…


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Strain Gauges

Strain Gauges

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


Textbook

AC Negative Feedback OpAmp Circuits

AC Negative Feedback OpAmp Circuits

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


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Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


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High Voltage Ohmmeters

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…


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Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Over the course of learning about electricity, you will want to…


Textbook

Intro Lab - Nonlinear Resistance

Intro Lab - Nonlinear Resistance

In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.


Textbook

Some Examples with AC Circuits

Some Examples with AC Circuits

Let’s connect three AC voltage sources in series and use complex…


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Multimeters

Multimeters

Seeing as how a common meter movement can be made to function as a…


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Summer and Subtractor OpAmp Circuits

Summer and Subtractor OpAmp Circuits

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


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Design Project: AC-DC Power Supply

Design Project: AC-DC Power Supply

Safety is very important when designing and/or building a device…


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Counters

Counters

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


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Insulated Gate Field-Effect Transistors

Insulated Gate Field-Effect Transistors

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


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More on AC “polarity”

More on AC “polarity”

Complex numbers are useful for AC circuit analysis because they…


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Precise Diode Circuits

Precise Diode Circuits

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


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OpAmp Oscillator Circuits

OpAmp Oscillator Circuits

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


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Analog Lab - PWM Power Controller

Analog Lab - PWM Power Controller

In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.


Textbook

Ammeter Design

Ammeter Design

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


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Venn Diagrams and Sets

Venn Diagrams and Sets

Mathematicians use Venn diagrams to show the logical relationships of…


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Introduction to Complex Numbers

Introduction to Complex Numbers

If I needed to describe the distance between two cities, I could…


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Common Sources of Hazard

Common Sources of Hazard

Of course, there is a danger of electrical shock when directly…


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L-Match Impedance Matching Circuits

L-Match Impedance Matching Circuits

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit


Tools

AC Waveforms

AC Waveforms

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


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Logarithms

Logarithms

Definition of a Logarithm     “log” denotes a…


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Single-phase Power Systems

Single-phase Power Systems

Single phase power system schematic diagram shows little about the…


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Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.


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Contactors

Contactors

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


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Basic Operational Amplifiers

Basic Operational Amplifiers

Determine the output voltage polarity of this op-amp (with reference…


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PN Junctions

PN Junctions

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


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Time Constant Calculations

Time Constant Calculations

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


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Digital Lab - 3-bit Binary Counter

Digital Lab - 3-bit Binary Counter

In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.


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Display Tubes

Display Tubes

In addition to performing tasks of amplification and switching, tubes…


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Soldering

Soldering

Both soldering irons and soldering guns are tools used in the process…


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Arc Flash and Arc Blast

Arc Flash and Arc Blast

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


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Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


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Basic Algebra and Graphing for Electric Circuits

Basic Algebra and Graphing for Electric Circuits

Many different equations used in the analysis of electric circuits may…


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Junction field-effect transistors (JFET)

Junction field-effect transistors (JFET)

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


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Batteries

Batteries

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


Worksheets - Digital Multimeters