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Electrical Engineering Forum

Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...

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Building Circuit w/ 2N3904 Transistor: Can I Use NPN from Science Kit?

Mar 21, 2004 · Replies 9 · Mar 23, 2004

Replies: 9

Views: 4K

Solve Kirchhoff's Law Problems - Get Help Now

Mar 23, 2004 · Replies 6 · Mar 23, 2004

Replies: 6

Views: 4K

Creating a Monorail: Electric Fields and Magnetism

Mar 21, 2004 · Replies 2 · Mar 22, 2004

Replies: 2

Views: 3K

Collector Current Explained: What is it & How to Calculate

Mar 20, 2004 · Replies 2 · Mar 22, 2004

Replies: 2

Views: 4K

Kirchhoff's Law: Solving Matrix Inverse on HP 48GX

Mar 21, 2004 · Replies 1 · Mar 21, 2004

Replies: 1

Views: 7K

What is the Amperage Rating of a 3-Pronged Edison Plug

Mar 18, 2004 · Replies 3 · Mar 19, 2004

Replies: 3

Views: 8K

Free Worldwide Energy - Nichola Tesla

Jan 11, 2004 · Replies 55 · Mar 18, 2004

2

Replies: 55

Views: 30K

Motor Driver Booster: Building Mini Sumo Robot

Mar 16, 2004 · Replies 8 · Mar 17, 2004

Replies: 8

Views: 6K

Are EMP Generators Legal in the US, Florida? Voltage Speculation

Feb 24, 2004 · Replies 7 · Mar 16, 2004

Replies: 7

Views: 10K

Someone help with simple circuit problem?

Mar 15, 2004 · Replies 4 · Mar 15, 2004

Replies: 4

Views: 11K

Building a Mod60 Counter with Mod10 and Mod6

Mar 12, 2004 · Replies 2 · Mar 15, 2004

Replies: 2

Views: 6K

Tips for intro to digital systems test?

Mar 11, 2004 · Replies 7 · Mar 15, 2004

Replies: 7

Views: 4K

Calculating Emitter, Base and Collector Currents in an NPN Transistor

Mar 13, 2004 · Replies 2 · Mar 15, 2004

Replies: 2

Views: 4K

Astonishing little AC/DC-adaptor

Mar 12, 2004 · Replies 1 · Mar 12, 2004

Replies: 1

Views: 3K

Inductive Power Transfer Device: What Is It and How Does It Work?

Mar 10, 2004 · Replies 6 · Mar 12, 2004

Replies: 6

Views: 4K

Optoisolation: Why Do You Need It?

Mar 11, 2004 · Replies 1 · Mar 11, 2004

Replies: 1

Views: 3K

How to Make a Spectrum Analyzer: Electrical Engineering Guide

Mar 7, 2004 · Replies 15 · Mar 9, 2004

Replies: 15

Views: 8K

Build a PIC-Controlled Robot: All You Need Under $200

Feb 23, 2004 · Replies 2 · Mar 8, 2004

Replies: 2

Views: 6K

Using Lasers in Kid's Toys: Is it Safe?

Mar 1, 2004 · Replies 7 · Mar 7, 2004

Replies: 7

Views: 3K

Electric Motors: Power, Size & Superconductors

Mar 2, 2004 · Replies 1 · Mar 4, 2004

Replies: 1

Views: 3K

DIY 24v to 12v Conversion: Tips & Tricks

Feb 5, 2004 · Replies 14 · Mar 4, 2004

Replies: 14

Views: 17K

Latch and Flip Flop: Is Latch a Type of Flip-Flop?

Feb 26, 2004 · Replies 2 · Mar 1, 2004

Replies: 2

Views: 5K

How to Implement a JK Flip Flop for a Given State Diagram?

Feb 24, 2004 · Replies 1 · Mar 1, 2004

Replies: 1

Views: 10K

Affordable Red Laser Beam: Tips and Recommendations for Straight Light

Mar 1, 2004 · Replies 5 · Mar 1, 2004

Replies: 5

Views: 3K

Step Up Voltage from Disposable Camera Flash

Feb 28, 2004 · Replies 2 · Mar 1, 2004

Replies: 2

Views: 7K

How Do EM Fields Influence Fluid Properties?

Feb 29, 2004 · Replies 2 · Mar 1, 2004

Replies: 2

Views: 3K

How Can I Connect Multiple Modules in Verilog?

Feb 23, 2004 · Replies 9 · Feb 25, 2004

Replies: 9

Views: 7K

Electricity Transmission and Distribution: From Power Plants to Your Home

Feb 18, 2004 · Replies 10 · Feb 23, 2004

Replies: 10

Views: 8K

DIY Car Volume Control: Make a Steering Wheel Volume Knob

Jan 19, 2004 · Replies 13 · Feb 22, 2004

Replies: 13

Views: 4K

Why should you be careful when choosing the size of a relay contact or fuse?

Jan 29, 2004 · Replies 4 · Feb 22, 2004

Replies: 4

Views: 7K

Explaining Edwin Gray & Stefan Hartmann's Circuit Layout

Feb 16, 2004 · Replies 24 · Feb 21, 2004

Replies: 24

Views: 11K

Do Any Materials Contract with Small Electrical Currents?

Feb 7, 2004 · Replies 9 · Feb 21, 2004

Replies: 9

Views: 9K

Digital Elevator: Designing a 2 Floor System

Feb 16, 2004 · Replies 3 · Feb 20, 2004

Replies: 3

Views: 5K

Design 4-16 Decoder & Full Subtractor Systematically

Feb 16, 2004 · Replies 3 · Feb 17, 2004

Replies: 3

Views: 12K

How Efficient Are Radio Signals Over Distance?

Oct 26, 2003 · Replies 7 · Feb 17, 2004

Replies: 7

Views: 4K

Analytical model for linear generator

Jan 29, 2004 · Replies 1 · Feb 15, 2004

Replies: 1

Views: 9K

Can I Safely Use a Potentiometer to Reduce Voltage for 0-1V Voltmeter Display?

Feb 6, 2004 · Replies 6 · Feb 15, 2004

Replies: 6

Views: 3K

Understanding Ohm's and Watt's Laws: The Contradiction Explained

Jan 24, 2004 · Replies 5 · Feb 10, 2004

Replies: 5

Views: 7K

Cascading Multiplexers: A Tutorial

Feb 7, 2004 · Replies 3 · Feb 9, 2004

Replies: 3

Views: 8K

Optical analog to digital converter

Jan 31, 2004 · Replies 37 · Feb 5, 2004

2

Replies: 37

Views: 7K

How to Find I1 in a Circuit with Multiple Elements

Feb 1, 2004 · Replies 2 · Feb 1, 2004

Replies: 2

Views: 3K

Large capacitor bank for a science project

Jan 17, 2004 · Replies 29 · Jan 30, 2004

Replies: 29

Views: 18K

Can Stacked High Frequency Electromagnets Overcome Magnetic Interference?

Jan 19, 2004 · Replies 1 · Jan 29, 2004

Replies: 1

Views: 5K

Beginner Electrical Engineering Websites

Jan 29, 2004 · Replies 1 · Jan 29, 2004

Replies: 1

Views: 3K

How can I make something like this?

Jan 22, 2004 · Replies 18 · Jan 28, 2004

Replies: 18

Views: 4K

Help Me Understand Velocity Modulation in Electric Fields

Dec 31, 2003 · Replies 3 · Jan 28, 2004

Replies: 3

Views: 6K

What are the Physics Behind the Equilibrium Motor Concept?

Nov 5, 2003 · Replies 71 · Jan 28, 2004

3

Replies: 71

Views: 27K

Why Does Group Velocity of Microwaves Increase with Frequency in Waveguides?

Dec 30, 2003 · Replies 1 · Jan 24, 2004

Replies: 1

Views: 4K

Printing Meters onto a Project Box: Tips & Techniques

Jan 22, 2004 · Replies 1 · Jan 23, 2004

Replies: 1

Views: 3K

Current amplifier needed? How? :=)

Jan 20, 2004 · Replies 1 · Jan 20, 2004

Replies: 1

Views: 3K

Find Radio Frequency Without Tuner: Is It Possible?

Jan 19, 2004 · Replies 1 · Jan 20, 2004

Replies: 1

Views: 3K

Cutting Enclosures: Rectangular Opening Tool?

Jan 19, 2004 · Replies 1 · Jan 20, 2004

Replies: 1

Views: 3K

Electricity and Magnetism for Engineers Texts

Jan 7, 2004 · Replies 2 · Jan 19, 2004

Replies: 2

Views: 4K

Meridian Electronics - Circuit Question: 10k Resistor

Jan 19, 2004 · Replies 1 · Jan 19, 2004

Replies: 1

Views: 3K

Do Computer Hardware Engineers have Electrical Engineering degrees?

Jan 10, 2004 · Replies 3 · Jan 18, 2004

Replies: 3

Views: 6K

Full adder boolean logic question

Jan 16, 2004 · Replies 3 · Jan 16, 2004

Replies: 3

Views: 17K

AC-Coupled Capacitors: What Are the Effects?

Jan 8, 2004 · Replies 12 · Jan 15, 2004

Replies: 12

Views: 4K

High Voltage Lines: Voltage, Resistance & Current

Nov 6, 2003 · Replies 6 · Jan 11, 2004

Replies: 6

Views: 6K

How Do Resistors Affect Voltage in a Series Circuit?

Dec 3, 2003 · Replies 21 · Jan 7, 2004

Replies: 21

Views: 13K

Receiving power Via radio transmission

Nov 26, 2003 · Replies 8 · Jan 7, 2004

Replies: 8

Views: 5K

Making current with van de graff gen.

Dec 21, 2003 · Replies 4 · Jan 7, 2004

Replies: 4

Views: 6K

Discovering How to Measure AC Current for a 120V Device | Tips and Tricks

Jan 5, 2004 · Replies 6 · Jan 6, 2004

Replies: 6

Views: 5K

Understanding Harmonics: Even vs Odd Numbered

Jan 2, 2004 · Replies 18 · Jan 5, 2004

Replies: 18

Views: 20K

Revolutionary New Electro-Optic Processor

Jan 3, 2004 · Replies 9 · Jan 5, 2004

Replies: 9

Views: 5K

Permanent Magnet Pump Speed Control

Jan 5, 2004 · Replies 5 · Jan 5, 2004

Replies: 5

Views: 6K

Charge in an Isolated Leyden Jar: Will it Spread?

Dec 29, 2003 · Replies 7 · Jan 3, 2004

Replies: 7

Views: 7K

Understanding the Basics of Voltage Amplifiers

Nov 4, 2003 · Replies 8 · Dec 29, 2003

Replies: 8

Views: 7K

Creating Radio Waves and Micro Waves: Seeking Help

Nov 28, 2003 · Replies 8 · Dec 28, 2003

Replies: 8

Views: 5K

DIY Portable 300V Capacitor Charger

Dec 26, 2003 · Replies 11 · Dec 28, 2003

Replies: 11

Views: 9K

Physics of Balanced Audio: XLR vs. MIC Lines

Dec 27, 2003 · Replies 1 · Dec 28, 2003

Replies: 1

Views: 5K

Make Your Own Alien Energy Ball

Dec 13, 2003 · Replies 2 · Dec 26, 2003

Replies: 2

Views: 5K

Mysterious Time Loss in One Bedroom: Investigating the Unexplained

Nov 28, 2003 · Replies 7 · Dec 10, 2003

Replies: 7

Views: 5K

Choosing Relay for Two 55W Lights on 12V Battery

Dec 8, 2003 · Replies 1 · Dec 8, 2003

Replies: 1

Views: 4K

Very low frequency data - thoughts?

Dec 7, 2003 · Replies 1 · Dec 8, 2003

Replies: 1

Views: 6K

Very low frequency data - thoughts?

Dec 7, 2003 · Replies 1 · Dec 7, 2003

Replies: 1

Views: 4K

Fullhawking's: Current Rectification

Oct 23, 2003 · Replies 8 · Dec 2, 2003

Replies: 8

Views: 4K

Is a Minor in Solid State Physics Worth It?

Nov 23, 2003 · Replies 4 · Nov 28, 2003

Replies: 4

Views: 4K

Where can I find typical values for modeling semiconductor lasers?

Nov 26, 2003 · Replies 1 · Nov 26, 2003

Replies: 1

Views: 4K

Can Asymptote Approximations Fully Construct a Bode Plot?

Nov 19, 2003 · Replies 1 · Nov 25, 2003

Replies: 1

Views: 8K

How to Model a Control System for an RLC Circuit?

Oct 30, 2003 · Replies 2 · Nov 19, 2003

Replies: 2

Views: 9K

Closed integral in electromagnetics

Nov 14, 2003 · Replies 2 · Nov 16, 2003

Replies: 2

Views: 8K

Understanding the Difference Between 2 and 3 Prong Outlets/Plugs

Nov 12, 2003 · Replies 2 · Nov 12, 2003

Replies: 2

Views: 4K

Measuring Self-Capacitance & Self-Inductance of a Coil

Nov 8, 2003 · Replies 6 · Nov 12, 2003

Replies: 6

Views: 8K

How are Resistance, Capacitance and Time related?

Oct 5, 2003 · Replies 4 · Nov 10, 2003

Replies: 4

Views: 28K

Weird Idea: Global Communication Without EM Waves

Sep 20, 2003 · Replies 3 · Nov 5, 2003

Replies: 3

Views: 4K

Understanding How an Analog Radio Tuner Works

Oct 3, 2003 · Replies 2 · Oct 3, 2003

Replies: 2

Views: 13K

Analog to Digital PC Signal Interface?

Sep 26, 2003 · Replies 7 · Oct 3, 2003

Replies: 7

Views: 16K

How does an electron gun shoot a stream of electrons?

Aug 8, 2003 · Replies 5 · Sep 9, 2003

Replies: 5

Views: 26K

Can Magnetic Field Generators Safely Contain Dangerous Substances?

Aug 18, 2003 · Replies 4 · Aug 21, 2003

Replies: 4

Views: 4K

Building a low-energy microwave generator.

Aug 17, 2003 · Replies 2 · Aug 19, 2003

Replies: 2

Views: 10K

Building a Tesla Coil from Scratch: Step-by-Step Guide and Parts List

Jul 27, 2003 · Replies 7 · Aug 2, 2003

Replies: 7

Views: 5K

Question about electrical components

Jul 21, 2003 · Replies 9 · Jul 23, 2003

Replies: 9

Views: 4K

Lifters: How the Biefeld-Brown Effect Works

Jun 9, 2003 · Replies 4 · Jul 18, 2003

Replies: 4

Views: 5K

How does a fluorescent light work

Jul 11, 2003 · Replies 6 · Jul 16, 2003

Replies: 6

Views: 12K

How Does Partial Wire Insulation Affect Beakman's Electric Motor Functionality?

May 22, 2003 · Replies 2 · May 26, 2003

Replies: 2

Views: 15K

Cell Phone Battery Terminal Oxidation: What's the Best Solution?

Apr 15, 2003 · Replies 4 · May 4, 2003

Replies: 4

Views: 15K

Van De Graaff generator and legos.

Apr 9, 2003 · Replies 4 · Apr 26, 2003

Replies: 4

Views: 9K

How a Motor or Generator works?

Apr 20, 2003 · Replies 6 · Apr 23, 2003

Replies: 6

Views: 5K

Are Electrons Actually Passing Through Batteries?

Apr 1, 2003 · Replies 9 · Apr 9, 2003

Replies: 9

Views: 11K

How a Diode Works: Semiconductor Silicon Circuit

Mar 26, 2003 · Replies 1 · Mar 26, 2003

Replies: 1

Views: 4K

Electrical Engineering

Electrical engineering is a discipline within engineering that focuses on the study and application of electricity, electronics, and electromagnetism. Electrical engineers design, develop, and maintain systems and devices that utilize electrical power, ranging from small-scale electronics to large power distribution networks. The field encompasses a diverse range of technologies, including telecommunications, signal processing, control systems, and power generation.

Electrical engineers play a crucial role in advancing technology, contributing to innovations such as computers, smartphones, renewable energy systems, and electric vehicles. Their work involves a combination of theoretical understanding, mathematical modeling, and practical application to create solutions that power the modern world.

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