All About Circuits

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Lorentz Force Calculator

Lorentz Force Calculator

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.


Tools

DC Lab - Potentiometer as a Rheostat

DC Lab - Potentiometer as a Rheostat

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.


Textbook

Safety Grounding

Safety Grounding

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


Worksheets - Motor Control

Introduction to AC Motors

Introduction to AC Motors

After the introduction of the DC electrical distribution system by…


Textbook

Design Project: DC Motor

Design Project: DC Motor

The armature windings of your DC motor will have very low resistance.…


Worksheets - Motor Control

Linear Computational Circuitry

Linear Computational Circuitry

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


Worksheets - Motor Control

Conventional Transistor Overview and Special Transistors

Conventional Transistor Overview and Special Transistors

A microcontroller is a specialized type of digital computer used to…


Worksheets - Motor Control

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…


Worksheets - Motor Control

Memory Devices

Memory Devices

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


Worksheets - Motor Control

Instrumentation Amplifier Gain Calculator

Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.


Tools

Pressure Unit Conversion Calculator

Pressure Unit Conversion Calculator

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


Tools

Electric Shock

Electric Shock

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


Worksheets - Motor Control

DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Motor Control

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


Worksheets - Motor Control

Motor Control Circuits

Motor Control Circuits

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


Textbook

Servo Motor Systems

Servo Motor Systems

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


Worksheets - Motor Control

Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

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


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Principles of Radio

Principles of Radio

One of the more fascinating applications of electricity is in the…


Textbook

Stepper Motors

Stepper Motors

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


Textbook

Networks and Busses

Networks and Busses

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


Textbook

The Importance of Electrical Safety

The Importance of Electrical Safety

With this lesson, I hope to avoid a common mistake found in…


Textbook

Quantum Devices

Quantum Devices

Most integrated circuits are digital, based on MOS (CMOS) transistors.…


Textbook

Edge Coupled Trace Inductance Calculator

Edge Coupled Trace Inductance Calculator

This calculator helps you compute for the inductance of an edge coupled trace.


Tools

Insulated-gate Field-effect Transistors (MOSFET)

Insulated-gate Field-effect Transistors (MOSFET)

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


Textbook

Voltmeter Impact on Measured Circuit

Voltmeter Impact on Measured Circuit

Every meter impacts the circuit it is measuring to some extent, just…


Textbook

Inductance

Inductance

∫f(x) dx Calculus alert! One of the fundamental principles of…


Worksheets - Motor Control

Electron Versus Conventional Flow

Electron Versus Conventional Flow

In this electrical circuit, trace the direction of current through the…


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Vectors and AC Waveforms

Vectors and AC Waveforms

OK, so how exactly can we represent AC quantities of voltage or…


Textbook

Basic AC-DC Power Supplies

Basic AC-DC Power Supplies

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


Worksheets - Motor Control

Electron Tubes

Electron Tubes

Cathode:   This is the electrode that is heated and emits the…


Textbook

Lock-out / Tag-out

Lock-out / Tag-out

In this motor control circuit, how would you ensure that there is no…


Worksheets - Motor Control

DC Lab - Potato Battery

DC Lab - Potato Battery

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.


Textbook

Special-output Gates

Special-output Gates

Complementary Output Gates It is sometimes desirable to have a logic…


Textbook

Positive Feedback

Positive Feedback

As we’ve seen, negative feedback is an incredibly useful…


Textbook

Series DC Circuits Practice Worksheet with Answers

Series DC Circuits Practice Worksheet with Answers

In this circuit, three resistors receive the same amount of current (4…


Worksheets - Motor Control

Bit Grouping

Bit Grouping

The singular reason for learning and using the binary numeration…


Textbook

Finite State Machines

Finite State Machines

Up to now, every circuit that was presented was a combinatorial…


Textbook

Inductive Reactance

Inductive Reactance

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


Worksheets - Motor Control

Reflection Attenuator Calculator

Reflection Attenuator Calculator

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.


Tools

Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


Textbook

Some Examples with AC Circuits

Some Examples with AC Circuits

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


Textbook