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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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Can a Transformer Rated at 225 VA Only Supply 25 mA on the Secondary Side?

Apr 7, 2009 · Replies 7 · Apr 8, 2009

Replies: 7

Views: 23K

Ideas or research topics in semiconductor devices and device physics

Apr 8, 2009 · Replies 1 · Apr 8, 2009

Replies: 1

Views: 12K

Can Zener Diodes Maintain a Constant Voltage Regardless of Applied Voltage?

Apr 8, 2009 · Replies 1 · Apr 8, 2009

Replies: 1

Views: 7K

Current Sensing Resistors in an H Bridge Circuit

Apr 5, 2009 · Replies 1 · Apr 8, 2009

Replies: 1

Views: 10K

What is a safe way to charge myself to 300V?

Apr 6, 2009 · Replies 9 · Apr 8, 2009

Replies: 9

Views: 2K

Continuous Charge Distribution: Symmetry & Meaning

Apr 5, 2009 · Replies 2 · Apr 7, 2009

Replies: 2

Views: 4K

Fuse Resistors, CFLs, and God Awful SMPSes

Apr 3, 2009 · Replies 5 · Apr 7, 2009

Replies: 5

Views: 4K

Can Automobiles Be Used as Power Generators?

Mar 19, 2009 · Replies 26 · Apr 7, 2009

Replies: 26

Views: 12K

Triple major in EE, Math, and Physics?

Apr 4, 2009 · Replies 7 · Apr 6, 2009

Replies: 7

Views: 9K

Transistor Approximations: NPN BC548 vs. 2N3904, PNP BC559 vs. 2N3906

Apr 1, 2009 · Replies 4 · Apr 6, 2009

Replies: 4

Views: 74K

How Does Adding a Series Resistor Affect Current Calculation in an RC Circuit?

Apr 2, 2009 · Replies 20 · Apr 6, 2009

Replies: 20

Views: 4K

A beginner's question /may be too easy

Apr 3, 2009 · Replies 12 · Apr 6, 2009

Replies: 12

Views: 3K

Can 22 AWG wire be used for a design of up to 7A

Mar 30, 2009 · Replies 11 · Apr 6, 2009

Replies: 11

Views: 13K

Optimizing a Parallel LC Tank Circuit: Ground and Output Connection Placement

Apr 6, 2009 · Replies 2 · Apr 6, 2009

Replies: 2

Views: 2K

Buck-converter with dual-MOSFET operation for constant current output

Feb 14, 2009 · Replies 23 · Apr 6, 2009

Replies: 23

Views: 19K

Help me read this solenoid diagram please

Apr 5, 2009 · Replies 2 · Apr 6, 2009

Replies: 2

Views: 3K

Calculating VA in a Tube Preamp Circuit

Apr 2, 2009 · Replies 11 · Apr 4, 2009

Replies: 11

Views: 16K

Calculating RC & LC Time Constants: Series vs. Parallel

Apr 4, 2009 · Replies 1 · Apr 4, 2009

Replies: 1

Views: 3K

What is the recommended size for a neutral conductor in a 3 phase 4 wire system?

Mar 29, 2009 · Replies 4 · Apr 4, 2009

Replies: 4

Views: 14K

Increase the coupling efficiency of fiber

Apr 4, 2009 · Replies 2 · Apr 4, 2009

Replies: 2

Views: 4K

When Should You Use Low or High Voltage with VFDs and Dual Wye Motors?

Apr 3, 2009 · Replies 1 · Apr 4, 2009

Replies: 1

Views: 6K

Induction Coil powering a load (inductive reactance problem)

Mar 27, 2009 · Replies 23 · Apr 4, 2009

Replies: 23

Views: 8K

Diesel generator and capacitor question

Apr 2, 2009 · Replies 6 · Apr 3, 2009

Replies: 6

Views: 7K

Can Op-Amps Create Effective Voltage-Controlled Resistors?

Mar 11, 2009 · Replies 11 · Apr 3, 2009

Replies: 11

Views: 35K

Fourier Transform Vs Prony/GPOF

Nov 6, 2007 · Replies 2 · Apr 3, 2009

Replies: 2

Views: 5K

Using a Variac to heat a flexible rope heater

Apr 3, 2009 · Replies 2 · Apr 3, 2009

Replies: 2

Views: 4K

Signal processing + parameter estimation

Mar 23, 2009 · Replies 2 · Apr 3, 2009

Replies: 2

Views: 2K

Designing an LED Array Circuit for Real-Time Feedback on Exercise Equipment

Apr 2, 2009 · Replies 4 · Apr 2, 2009

Replies: 4

Views: 3K

IV curve of a BD-5 tunnel diode

Dec 18, 2008 · Replies 4 · Apr 2, 2009

Replies: 4

Views: 6K

Impendance matching and power transfer

Mar 30, 2009 · Replies 9 · Apr 2, 2009

Replies: 9

Views: 3K

N-doped region tend to flow to the p-doped region

Apr 1, 2009 · Replies 1 · Apr 2, 2009

Replies: 1

Views: 2K

Need this derivation to solidify understanding

Apr 1, 2009 · Replies 1 · Apr 1, 2009

Replies: 1

Views: 1K

GHz AC Frequency - Max "Practical" Generation: Solenoid Q&A for Experts

Mar 28, 2009 · Replies 12 · Apr 1, 2009

Replies: 12

Views: 9K

Cost Comparison of 200KW Induction Motors

Mar 31, 2009 · Replies 4 · Apr 1, 2009

Replies: 4

Views: 4K

Current vs Voltage: 60Hz Explained

May 19, 2008 · Replies 14 · Apr 1, 2009

Replies: 14

Views: 24K

Question for pulsing electromagnet

Apr 1, 2009 · Replies 1 · Apr 1, 2009

Replies: 1

Views: 2K

Analog finter design for harmonics reduction

Mar 31, 2009 · Replies 1 · Mar 31, 2009

Replies: 1

Views: 2K

Building power amplifier. Need some help with schematics

Mar 17, 2009 · Replies 5 · Mar 31, 2009

Replies: 5

Views: 7K

Troubleshooting Home Lighting Problem

Mar 31, 2009 · Replies 1 · Mar 31, 2009

Replies: 1

Views: 4K

MP3 Players: How Digital Data Becomes an Analog Signal

Feb 19, 2009 · Replies 8 · Mar 31, 2009

Replies: 8

Views: 4K

What is the Correct Definition of Dynamic Resistance and Resistivity?

Mar 30, 2009 · Replies 3 · Mar 30, 2009

Replies: 3

Views: 27K

Why is the current constant in a series circuit?

Mar 30, 2009 · Replies 2 · Mar 30, 2009

Replies: 2

Views: 2K

Voltage output pressure transducer ?

Mar 30, 2009 · Replies 3 · Mar 30, 2009

Replies: 3

Views: 10K

Treble and bass audio controls w/o phase shift?

Mar 29, 2009 · Replies 2 · Mar 30, 2009

Replies: 2

Views: 3K

Find the Best Maths Package for Control Engineering Projects

Oct 29, 2006 · Replies 5 · Mar 29, 2009

Replies: 5

Views: 4K

Electrical Power to Mechanical Power

Mar 27, 2009 · Replies 5 · Mar 29, 2009

Replies: 5

Views: 11K

Understanding Phasors: Time & Frequency Domains

Mar 26, 2009 · Replies 2 · Mar 29, 2009

Replies: 2

Views: 9K

Aerospace Engineering: Lift Mass 1ft-1.5ft Off Ground

Mar 26, 2009 · Replies 18 · Mar 29, 2009

Replies: 18

Views: 3K

3 phase equipment on 1 phase supply

Mar 26, 2009 · Replies 8 · Mar 29, 2009

Replies: 8

Views: 7K

Why does the magnetic flux in a CT core decrease with connected load?

Mar 12, 2009 · Replies 51 · Mar 29, 2009

2

Replies: 51

Views: 21K

Building a Counter for HeartBeat

Mar 24, 2009 · Replies 3 · Mar 28, 2009

Replies: 3

Views: 3K

Can capacitors self charge in a circuit?

Mar 26, 2009 · Replies 3 · Mar 28, 2009

Replies: 3

Views: 5K

Making a 433MHz Phase Detector with Log Amplifiers

Mar 27, 2009 · Replies 6 · Mar 27, 2009

Replies: 6

Views: 6K

Strong electromagnet with a constant field

Mar 22, 2009 · Replies 11 · Mar 27, 2009

Replies: 11

Views: 3K

Phase Shift Independent of Frequency: Circuit Solutions

Mar 16, 2009 · Replies 4 · Mar 27, 2009

Replies: 4

Views: 6K

How Do You Connect PLC with SCADA?

Mar 27, 2009 · Replies 1 · Mar 27, 2009

Replies: 1

Views: 8K

Having trouble with circuit to adjust speed of electric motor

Apr 3, 2006 · Replies 11 · Mar 27, 2009

Replies: 11

Views: 9K

Handheld 10W Laser: Possibilities and Concerns

Mar 25, 2009 · Replies 21 · Mar 27, 2009

Replies: 21

Views: 47K

Microcontroller/fgpa language questions

Mar 25, 2009 · Replies 7 · Mar 27, 2009

Replies: 7

Views: 4K

Center-Tap Rectifier: Understand Output Wave Changes

Jun 20, 2004 · Replies 7 · Mar 26, 2009

Replies: 7

Views: 17K

Maximum AC Frequency in a Super Conductor?

Mar 23, 2009 · Replies 8 · Mar 26, 2009

Replies: 8

Views: 2K

Troubleshooting medical machine

Mar 26, 2009 · Replies 1 · Mar 26, 2009

Replies: 1

Views: 2K

What is the Best Training Kit for .NET and Embedded Development?

Mar 24, 2009 · Replies 3 · Mar 26, 2009

Replies: 3

Views: 4K

Magnetic circuits and transformer

Mar 25, 2009 · Replies 5 · Mar 26, 2009

Replies: 5

Views: 4K

Flyback Diode Implementation/Sizing w/ Relays/Switches

Mar 24, 2009 · Replies 7 · Mar 25, 2009

Replies: 7

Views: 19K

How to filter noise from an inductive pickup. low pass filter.

Mar 25, 2009 · Replies 2 · Mar 25, 2009

Replies: 2

Views: 6K

Electrolytic Capacitor with Unusual Marking

Mar 25, 2009 · Replies 3 · Mar 25, 2009

Replies: 3

Views: 3K

Cylindrical Capacitor Computation

Mar 24, 2009 · Replies 5 · Mar 25, 2009

Replies: 5

Views: 13K

Counter in multisim with four seven segment displays

Mar 24, 2009 · Replies 6 · Mar 24, 2009

Replies: 6

Views: 6K

Relay to control appliances connected to pc

Mar 24, 2009 · Replies 7 · Mar 24, 2009

Replies: 7

Views: 4K

Control Design for a Bidirectional Buck Boost Converter

Mar 24, 2009 · Replies 2 · Mar 24, 2009

Replies: 2

Views: 14K

SPICE simulation of leakage current

Mar 23, 2009 · Replies 2 · Mar 24, 2009

Replies: 2

Views: 9K

How to measure electricity usage

Mar 22, 2009 · Replies 13 · Mar 24, 2009

Replies: 13

Views: 10K

Chopper Transistor: Significance & Pulse Generation Explained

Mar 23, 2009 · Replies 12 · Mar 24, 2009

Replies: 12

Views: 10K

Can any DC 12v or 24v motor be put on a speed control?

Feb 25, 2009 · Replies 4 · Mar 23, 2009

Replies: 4

Views: 11K

Reques of data heet or specs for 2 Tela electromagnets

Mar 22, 2009 · Replies 1 · Mar 23, 2009

Replies: 1

Views: 2K

What is the name of this symbols. See Attachment.

Mar 23, 2009 · Replies 1 · Mar 23, 2009

Replies: 1

Views: 2K

Determining the behaviour of a wafer from the CV curves

Mar 23, 2009 · Replies 1 · Mar 23, 2009

Replies: 1

Views: 2K

Need Help with Extended ASCII Characters in Micrologix 1500 LRP Processor?

Mar 22, 2009 · Replies 1 · Mar 23, 2009

Replies: 1

Views: 3K

Negligible Resistors in Circuits: Valid?

Mar 19, 2009 · Replies 10 · Mar 23, 2009

Replies: 10

Views: 2K

The true speed of Electric and Magnetic force.

Mar 20, 2009 · Replies 7 · Mar 22, 2009

Replies: 7

Views: 5K

Calculate Voltage or EMF from Charge difference

Mar 21, 2009 · Replies 3 · Mar 22, 2009

Replies: 3

Views: 8K

Help with Secured Wire Loop Circuit - 2N7000/2N3906 Transistor Questions

Mar 19, 2009 · Replies 5 · Mar 21, 2009

Replies: 5

Views: 3K

Electron speed in wire in circuit

Feb 25, 2009 · Replies 15 · Mar 21, 2009

Replies: 15

Views: 12K

Question about Circuit element in pencil sharpener

Mar 16, 2009 · Replies 2 · Mar 21, 2009

Replies: 2

Views: 3K

How Do Basic Capacitor Concepts Affect Voltage in Simple Circuits?

Mar 20, 2009 · Replies 5 · Mar 20, 2009

Replies: 5

Views: 3K

How to Connect and Switch Between Two Current Amplifiers?

Mar 19, 2009 · Replies 1 · Mar 20, 2009

Replies: 1

Views: 2K

Searching for Answers: Highest Frequency AC and Beyond

Mar 18, 2009 · Replies 10 · Mar 20, 2009

Replies: 10

Views: 4K

PMOS diff amp - common mode input range

Mar 19, 2009 · Replies 3 · Mar 20, 2009

Replies: 3

Views: 8K

Variable frequency drive for high speed spindle

Mar 18, 2009 · Replies 3 · Mar 19, 2009

Replies: 3

Views: 5K

Designing and Building a Tesla Coil: Tips and Experiences

Jul 23, 2007 · Replies 8 · Mar 19, 2009

Replies: 8

Views: 9K

Measuring Current Flow in Open Circuit R Phase

Mar 19, 2009 · Replies 1 · Mar 19, 2009

Replies: 1

Views: 2K

Stopwatch Circuit: Schematic for High School Engineering Project

Mar 19, 2009 · Replies 1 · Mar 19, 2009

Replies: 1

Views: 6K

Root Locus of Unity Feedback Transfer Function: Find K Range for Stability

Mar 19, 2009 · Replies 1 · Mar 19, 2009

Replies: 1

Views: 3K

Inductor and Transformer Design Equations

Mar 17, 2009 · Replies 10 · Mar 19, 2009

Replies: 10

Views: 10K

Is there a circuit for precise microwatt power regulation with variable load?

Mar 15, 2009 · Replies 3 · Mar 19, 2009

Replies: 3

Views: 2K

Comparing Two Circuits: Can We Say Low Pass Filter?

Mar 17, 2009 · Replies 3 · Mar 18, 2009

Replies: 3

Views: 4K

Where to Find Thermocouples for Power Generation in Stores or Online?

Mar 15, 2009 · Replies 7 · Mar 18, 2009

Replies: 7

Views: 4K

Old fashioned 2 pole ac/dc motor/generator used for classroom demonstrations

Mar 17, 2009 · Replies 3 · Mar 17, 2009

Replies: 3

Views: 7K

What Happens if You Power a DC Device with AC Voltage?

Mar 16, 2009 · Replies 3 · Mar 17, 2009

Replies: 3

Views: 3K

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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