All About Circuits

Latest Circular Connectors Education

Categories

Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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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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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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Wires and Connections

Wires and Connections

Older electrical schematics showed connecting wires crossing, while…


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Rules for Derivatives

Rules for Derivatives

Constant rule Rule of sums Rule of differences Product rule Quotient…


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A 50-Ohm Cable?

A 50-Ohm Cable?

Early in my explorations of electricity, I came across a length of…


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Conductor Size

Conductor Size

It should be common-sense knowledge that liquids flow through…


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Rules for Antiderivatives

Rules for Antiderivatives

Constant Rule     Rule of Sums     Rule of…


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Electromechanical Relay Logic

Electromechanical Relay Logic

In ladder logic symbolism, an electromechanical relay coil is shown as…


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Wire Over Plane Inductance Calculator

Wire Over Plane Inductance Calculator

This calculator helps you compute the inductance of a wire-over-plane setup.


Tools

AC Lab - Signal and Noise Coupling

AC Lab - Signal and Noise Coupling

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.


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“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


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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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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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Common Antiderivatives

Common Antiderivatives

 


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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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Derivative of a Constant

Derivative of a Constant

    (“c” being a constant)   RELATED…


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Copper Wire Ampacity Table

Copper Wire Ampacity Table

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


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Specific Resistance

Specific Resistance

Designing Wire Resistance Conductor ampacity rating is a crude…


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Right Triangle Trigonometry

Right Triangle Trigonometry

  A right triangle is defined as having one angle precisely…


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Electrical Isolation

Electrical Isolation

SPICE analysis of Electrical Isolation Aside from the ability to…


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Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


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Reluctance Motor

Reluctance Motor

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


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Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


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Pressure Unit Conversion Calculator

Pressure Unit Conversion Calculator

This calculator will convert pressure values to ten different standard units for pressure.


Tools

Passive Integrator and Differentiator Circuits

Passive Integrator and Differentiator Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…


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Digital Lab - S-R Latch With Enable Input using NAND Gates

Digital Lab - S-R Latch With Enable Input using NAND Gates

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.


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Permanent Magnets

Permanent Magnets

Centuries ago, it was discovered that certain types of mineral rock…


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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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Larger 4-variable Karnaugh Maps

Larger 4-variable Karnaugh Maps

Knowing how to generate Gray code should allow us to build larger…


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Contributors (12)

Contributors (12)

Contributors to this chapter are listed in chronological order of…


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AC Lab - Sensing AC Magnetic Fields

AC Lab - Sensing AC Magnetic Fields

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.


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AC Lab - LC Tank Circuit

AC Lab - LC Tank Circuit

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.


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Contributors (1)

Contributors (1)

Contributors to this chapter are listed in chronological order of…


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Wiring Color Codes

Wiring Color Codes

Wiring for AC and DC power distribution branch circuits are color…


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Contributors (15)

Contributors (15)

Contributors to this chapter are listed in chronological order of…


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555 Lab - Introduction to the 555 Timer IC

555 Lab - Introduction to the 555 Timer IC

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.


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Differential Equations

Differential Equations

As opposed to normal equations where the solution is a number, a…


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Protective Relay Circuits

Protective Relay Circuits

Protective relays are special power-sensing devices whose job it is to…


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Systems of Numeration

Systems of Numeration

Roman Numerals The Romans devised a system that was a substantial…


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Semiconductor Devices in SPICE

Semiconductor Devices in SPICE

The SPICE (Simulation Program, Integrated Circuit Emphesis)…


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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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