All About Circuits

Latest Harsh Environment Education

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Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


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The Antiderivative (Indefinite Integral)

The Antiderivative (Indefinite Integral)

  Notice something important here: taking the derivative of f(x)…


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Common Antiderivatives

Common Antiderivatives

 


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Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


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Electrical Isolation

Electrical Isolation

SPICE analysis of Electrical Isolation Aside from the ability to…


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Intro Lab - Circuit With a Switch

Intro Lab - Circuit With a Switch

In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.


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Permissive and Interlock Circuits

Permissive and Interlock Circuits

A practical application of switch and relay logic is in control…


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Wire Loop Inductance Calculator

Wire Loop Inductance Calculator

This calculator helps you compute the inductance of a wire loop.


Tools

Arithmetic Properties

Arithmetic Properties

Associative Property In addition and multiplication, terms may be…


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Three-phase Y and Delta Configurations

Three-phase Y and Delta Configurations

Three-phase Wye(Y) Connection Initially, we explored the idea of…


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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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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…


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Analog and Digital Signals

Analog and Digital Signals

Instrumentation is a field of study and work centering on measurement…


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Conductors, Insulators, and Electron Flow

Conductors, Insulators, and Electron Flow

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


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Antiderivatives of Power Functions of e

Antiderivatives of Power Functions of e

  Note: this is a very unique and useful property of e. As in…


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Specific Resistance

Specific Resistance

Designing Wire Resistance Conductor ampacity rating is a crude…


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Circuit Wiring

Circuit Wiring

So far, we’ve been analyzing single-battery, single-resistor…


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What is the Relationship Between Conductance and Resistance?

What is the Relationship Between Conductance and Resistance?

The concept and measurement units of resistance are most often used…


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Non-right Triangle Trigonometry

Non-right Triangle Trigonometry

The Law of Sines (for any triangle) The Law of Cosines (for any…


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Conductors and Insulators

Conductors and Insulators

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


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“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


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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.


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Superposition Theorem

Superposition Theorem

The superposition theorem is one of those strokes of genius that takes…


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Si Lab - Multi-stage Amplifier

Si Lab - Multi-stage Amplifier

In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.


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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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Bridge Circuits

Bridge Circuits

No text on electrical metering could be called complete without a…


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What is a Meter?

What is a Meter?

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


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Attenuators

Attenuators

What is Attenuators? Attenuators are passive devices. It is…


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Precise Diode Circuits

Precise Diode Circuits

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


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Wire Stripline Impedance Calculator

Wire Stripline Impedance Calculator

A calculator for computing the impedance of a wire stripline.


Tools

Sources of Electricity

Sources of Electricity

What is the difference between DC and AC electricity? Identify some…


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Differentiator and Integrator Circuits

Differentiator and Integrator Circuits

By introducing electrical reactance into the feedback loops of an…


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Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


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Si Lab - Bipolar Transistor as a Switch

Si Lab - Bipolar Transistor as a Switch

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.


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Shock Current Path

Shock Current Path

As we’ve already learned, electricity requires a complete path…


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Nonlinear Conduction

Nonlinear Conduction

“Advances are made by answering questions. Discoveries are made…


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T-Match Impedance Matching Circuits

T-Match Impedance Matching Circuits

A tool designed to compute the values to be used in a T-match Impedance Circuit


Tools

Sequences

Sequences

Arithmetic Sequences An arithmetic sequence is a series of numbers…


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Kelvin (4-wire) Resistance Measurement

Kelvin (4-wire) Resistance Measurement

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


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Oscillator Circuits

Oscillator Circuits

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


Worksheets - Harsh Environment

Bipolar Junction Transistors in Active Mode

Bipolar Junction Transistors in Active Mode

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


Worksheets - Harsh Environment