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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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How do I wire a fluorescent ballast for a 2G11 base and multiple bulbs?

Apr 8, 2011 · Replies 8 · Apr 9, 2011

Replies: 8

Views: 5K

Electron flow direction: Convention VS what's exactly happening

Mar 31, 2011 · Replies 56 · Apr 9, 2011

2

Replies: 56

Views: 10K

Understanding the Passive Sign Convention: Explaining P=+iv and P=-iv

Apr 8, 2011 · Replies 6 · Apr 9, 2011

Replies: 6

Views: 7K

Questions about power grid in US

Apr 8, 2011 · Replies 2 · Apr 8, 2011

Replies: 2

Views: 6K

Should metal chimney liners be grounded against lightning strikes?

Apr 7, 2011 · Replies 2 · Apr 8, 2011

Replies: 2

Views: 4K

LV electronic ballast failures for halogen

Apr 7, 2011 · Replies 3 · Apr 8, 2011

Replies: 3

Views: 2K

High Current Switch Solution for Hobbiest

Apr 7, 2011 · Replies 1 · Apr 8, 2011

Replies: 1

Views: 3K

Question about getting started with electronics

Apr 7, 2011 · Replies 3 · Apr 8, 2011

Replies: 3

Views: 2K

Ferrite bead as low pass filter search

Apr 7, 2011 · Replies 14 · Apr 8, 2011

Replies: 14

Views: 6K

Transformers frequancies possible to use?

Apr 7, 2011 · Replies 2 · Apr 8, 2011

Replies: 2

Views: 1K

Choosing correct LED mcd for outdoor indication

Apr 7, 2011 · Replies 2 · Apr 8, 2011

Replies: 2

Views: 10K

Does Gauge Size Affect Performance of Copper Cable Assemblies for Internet Use?

Apr 7, 2011 · Replies 11 · Apr 7, 2011

Replies: 11

Views: 4K

Cryogenic Op Amp: Experiences & Solutions

Apr 7, 2011 · Replies 1 · Apr 7, 2011

Replies: 1

Views: 2K

How can I create a Wunderwaffle-inspired shot counter for a paintball gun?

Apr 5, 2011 · Replies 4 · Apr 7, 2011

Replies: 4

Views: 2K

Can I get +5/-5vdc from 9v battery

Apr 7, 2011 · Replies 3 · Apr 7, 2011

Replies: 3

Views: 3K

Step Up vs Step Down: What’s the Key Difference?

Apr 6, 2011 · Replies 7 · Apr 7, 2011

Replies: 7

Views: 11K

Why do electrical generators experience load effects?

Apr 6, 2011 · Replies 4 · Apr 7, 2011

Replies: 4

Views: 3K

Kelvin water dropper and Walter Lewin

Feb 20, 2011 · Replies 2 · Apr 6, 2011

Replies: 2

Views: 7K

Switching frequency, phase multipliers, motherboards. Too many questions

Apr 5, 2011 · Replies 5 · Apr 6, 2011

Replies: 5

Views: 4K

Uniqueness and existence of simplified equivalent circuits

Apr 5, 2011 · Replies 2 · Apr 6, 2011

Replies: 2

Views: 2K

Field loss in a shunt wound dc motor

Jun 27, 2010 · Replies 6 · Apr 6, 2011

Replies: 6

Views: 25K

Zero-Span Circuits: What & How?

Apr 5, 2011 · Replies 7 · Apr 6, 2011

Replies: 7

Views: 18K

Why do generators experience speed droop during peak demand in power systems?

Apr 4, 2011 · Replies 7 · Apr 6, 2011

Replies: 7

Views: 3K

Fixing High-Pitched Whirring Electric Motor Issue

Apr 3, 2011 · Replies 12 · Apr 6, 2011

Replies: 12

Views: 3K

Reverse polarity in torque motor

Apr 5, 2011 · Replies 2 · Apr 6, 2011

Replies: 2

Views: 5K

How Can I Solve My Antenna Coupling Problem?

Apr 4, 2007 · Replies 16 · Apr 6, 2011

Replies: 16

Views: 12K

Effective Error Correction Codes for Noisy Channels in FPGA-ARM Interfaces

Mar 28, 2011 · Replies 3 · Apr 6, 2011

Replies: 3

Views: 2K

What Are Balanced and Unbalanced Transmission Lines?

Mar 5, 2011 · Replies 31 · Apr 5, 2011

2

Replies: 31

Views: 17K

Induction motor higher starting torque

Apr 5, 2011 · Replies 2 · Apr 5, 2011

Replies: 2

Views: 8K

Finding total current for series capacitors

Apr 4, 2011 · Replies 3 · Apr 5, 2011

Replies: 3

Views: 5K

Build a Solar-Powered Pool Pump: What You Need to Know

Apr 5, 2011 · Replies 5 · Apr 5, 2011

Replies: 5

Views: 3K

What factors affect the rotating speed of a motor?

Apr 4, 2011 · Replies 4 · Apr 5, 2011

Replies: 4

Views: 3K

Help: Learning Probability of Detection and False Alarm

Jun 7, 2006 · Replies 2 · Apr 5, 2011

Replies: 2

Views: 9K

How do IR remote controls use frequency modulation to avoid interference?

Apr 3, 2011 · Replies 8 · Apr 5, 2011

Replies: 8

Views: 8K

How Can I Isolate a 9V Battery Load for an Audio Circuit?

Apr 4, 2011 · Replies 7 · Apr 5, 2011

Replies: 7

Views: 10K

Programmable logic device question

Mar 23, 2011 · Replies 2 · Apr 4, 2011

Replies: 2

Views: 2K

Can cell phone radiation cause harm?

Mar 30, 2011 · Replies 21 · Apr 4, 2011

Replies: 21

Views: 5K

Total rookie here. Prob an easy question for you guys/gals

Apr 2, 2011 · Replies 5 · Apr 4, 2011

Replies: 5

Views: 2K

Dave Jones Discovers a Quirk in Electronics Engineering!

Apr 1, 2011 · Replies 11 · Apr 4, 2011

Replies: 11

Views: 3K

Panasonic Inverter CN701: Find Sensors to Control Terminals 1-3

Apr 2, 2011 · Replies 1 · Apr 4, 2011

Replies: 1

Views: 2K

Test performing on bulk material

Apr 3, 2011 · Replies 1 · Apr 4, 2011

Replies: 1

Views: 2K

Relationship between PWM, Torque and Duty for a 3D Crane System

Apr 1, 2011 · Replies 2 · Apr 4, 2011

Replies: 2

Views: 4K

Electromagnetic particle collector?

Apr 2, 2011 · Replies 3 · Apr 3, 2011

Replies: 3

Views: 2K

Effects of a Motor on sensitive electronic components

Apr 1, 2011 · Replies 1 · Apr 3, 2011

Replies: 1

Views: 2K

Change out switch on controller

Mar 31, 2011 · Replies 3 · Apr 3, 2011

Replies: 3

Views: 2K

Career as physicist in electrical engeneering?

Mar 21, 2011 · Replies 2 · Apr 3, 2011

Replies: 2

Views: 3K

Can I Use a 520A RMS Thyristor for Controlling a 500A DC Motor?

Mar 31, 2011 · Replies 2 · Apr 2, 2011

Replies: 2

Views: 3K

Capacitance linking to phase shift

Apr 2, 2011 · Replies 1 · Apr 2, 2011

Replies: 1

Views: 3K

Voltmeter must cause disconnnection in order to measure the volt?

Mar 26, 2011 · Replies 7 · Apr 2, 2011

Replies: 7

Views: 3K

GPS Pseudo-range and Positioning

May 6, 2009 · Replies 8 · Apr 2, 2011

Replies: 8

Views: 14K

What Happens When AC Is Applied to a Capacitor?

Apr 2, 2011 · Replies 1 · Apr 2, 2011

Replies: 1

Views: 2K

Designing a PWM Switch with RC Circuit and Schmitt Trigger for 50 Hz Frequency

Mar 29, 2011 · Replies 11 · Apr 1, 2011

Replies: 11

Views: 4K

3 or more transistor darlington

Mar 30, 2011 · Replies 6 · Apr 1, 2011

Replies: 6

Views: 7K

How discharging and recharging batteries effects lifetime

Mar 30, 2011 · Replies 1 · Apr 1, 2011

Replies: 1

Views: 2K

Why does multiplying 120 by 1.73 give me 208 volts in a 3 phase system?

Mar 31, 2011 · Replies 2 · Apr 1, 2011

Replies: 2

Views: 2K

Finding the Right RF VHF Diode for GSM Signal Amplification

Mar 30, 2011 · Replies 5 · Apr 1, 2011

Replies: 5

Views: 3K

Digital vs. Analogue Signal Definition

Mar 31, 2011 · Replies 5 · Mar 31, 2011

Replies: 5

Views: 12K

Understanding a Nintendo AC 220V to 24V 550mA DC Adapter

Mar 31, 2011 · Replies 8 · Mar 31, 2011

Replies: 8

Views: 3K

Can Resistance Increase Brightness in LED Diodes and Light Bulbs?

Mar 28, 2011 · Replies 4 · Mar 31, 2011

Replies: 4

Views: 4K

Will a Leyden Jar Store AC Current?

Mar 27, 2011 · Replies 6 · Mar 31, 2011

Replies: 6

Views: 7K

Strange Motor Wiring: 6 Motors, 200HP, 380V 50Hz

Mar 24, 2011 · Replies 7 · Mar 31, 2011

Replies: 7

Views: 3K

Understanding AC Current for Beginners

Mar 23, 2011 · Replies 30 · Mar 31, 2011

2

Replies: 30

Views: 6K

Can you add voltages in parallel if you use diodes?

Mar 31, 2011 · Replies 2 · Mar 31, 2011

Replies: 2

Views: 3K

Some General Electromagnet Questions

Oct 12, 2007 · Replies 9 · Mar 31, 2011

Replies: 9

Views: 9K

PWM Control for Electric Vehicle

Mar 30, 2011 · Replies 2 · Mar 30, 2011

Replies: 2

Views: 7K

Understanding Power Supply Ratings and Compatibility

Mar 30, 2011 · Replies 4 · Mar 30, 2011

Replies: 4

Views: 3K

Anyone understand starved plate designs?

Mar 29, 2011 · Replies 25 · Mar 30, 2011

Replies: 25

Views: 9K

Is my solenoid's resistance too low?

Mar 30, 2011 · Replies 4 · Mar 30, 2011

Replies: 4

Views: 6K

Problems about circuit diagram full wave rectification

Mar 27, 2011 · Replies 9 · Mar 30, 2011

Replies: 9

Views: 7K

Understanding Electric Currents in Fig 5.13 & 5.14(b)

Mar 12, 2011 · Replies 15 · Mar 30, 2011

Replies: 15

Views: 7K

Understanding Clamping Diodes: Voltage Conditions and Operational Behavior

Mar 29, 2011 · Replies 3 · Mar 30, 2011

Replies: 3

Views: 5K

Batteries and Capacitors in Series

Mar 29, 2011 · Replies 11 · Mar 29, 2011

Replies: 11

Views: 9K

Crystal Emission: Understanding Fundamental and Harmonic Frequencies"

Mar 28, 2011 · Replies 7 · Mar 29, 2011

Replies: 7

Views: 5K

How Can I Power a 1x1 Foot LED Array with AC Current Efficiently?

Mar 27, 2011 · Replies 3 · Mar 28, 2011

Replies: 3

Views: 2K

Sending signal to motor to make it for period of time

Mar 24, 2011 · Replies 6 · Mar 28, 2011

Replies: 6

Views: 4K

Getting data from Wii remote signal

Mar 28, 2011 · Replies 1 · Mar 28, 2011

Replies: 1

Views: 4K

Weird Oscillation in wheatstone bridge circuit

Mar 28, 2011 · Replies 1 · Mar 28, 2011

Replies: 1

Views: 2K

How Can I Create an Adjustable Optical Switch Circuit for an Inductive Load?

Mar 28, 2011 · Replies 3 · Mar 28, 2011

Replies: 3

Views: 4K

Small signal equivalent circuit model for the HJFET?

Mar 10, 2011 · Replies 3 · Mar 28, 2011

Replies: 3

Views: 3K

How does 120, 240 and 440 circuits work?

Aug 10, 2006 · Replies 17 · Mar 28, 2011

Replies: 17

Views: 99K

Amplifying AC Signal: LM358 Op-Amp Circuit for Full AC Signal Amplification

Mar 27, 2011 · Replies 3 · Mar 27, 2011

Replies: 3

Views: 6K

Understanding Frequency Smearing in FFT

Mar 24, 2011 · Replies 3 · Mar 27, 2011

Replies: 3

Views: 7K

Understanding HV Shutdown Circuit for HPGe Detector using Thermistor Input

Mar 26, 2011 · Replies 5 · Mar 27, 2011

Replies: 5

Views: 7K

EE Advice: Jump-Start Your Engineering Education with Peavey

Mar 2, 2011 · Replies 18 · Mar 27, 2011

Replies: 18

Views: 4K

Questions related to Current Transformer and Gauge Factor?

Mar 27, 2011 · Replies 1 · Mar 27, 2011

Replies: 1

Views: 2K

Digital Design Career: Advice on Skills & Knowledge Needed

Mar 26, 2011 · Replies 1 · Mar 27, 2011

Replies: 1

Views: 3K

LM324 squarewave oscillator adjust output frequency

Mar 23, 2011 · Replies 5 · Mar 26, 2011

Replies: 5

Views: 9K

Control Winch Speed: Power Supply & PWM Solutions

Mar 26, 2011 · Replies 1 · Mar 26, 2011

Replies: 1

Views: 2K

Why Does a Voltmeter Show Negative Voltage?

Mar 26, 2011 · Replies 2 · Mar 26, 2011

Replies: 2

Views: 9K

Asynchronous generator running off grid on capacitor bank

Mar 26, 2011 · Replies 1 · Mar 26, 2011

Replies: 1

Views: 3K

P-N Junction: connecting P-side to -ive terminal and N-side to +ive terminal

Mar 25, 2011 · Replies 1 · Mar 26, 2011

Replies: 1

Views: 2K

How to Design an Amplifier for a Rogowski Coil?

Apr 1, 2010 · Replies 25 · Mar 26, 2011

Replies: 25

Views: 15K

Can a Generator Be Hooked to the Power Grid at 180 Degrees Out of Phase?

Mar 25, 2011 · Replies 5 · Mar 26, 2011

Replies: 5

Views: 4K

Please have a look on these diode circuits

Mar 24, 2011 · Replies 13 · Mar 26, 2011

Replies: 13

Views: 4K

Capacitor Dump Circuit - Negative Switching

Mar 25, 2011 · Replies 1 · Mar 26, 2011

Replies: 1

Views: 8K

What is the difference between electrical and mechnical damping factor?

Mar 25, 2011 · Replies 3 · Mar 26, 2011

Replies: 3

Views: 10K

Diode I-V Characteristic At High Frequency

Mar 24, 2011 · Replies 1 · Mar 26, 2011

Replies: 1

Views: 4K

Help with RLC Circuit Oscilloscope Probe - Calculating Voltage Spike

Mar 23, 2011 · Replies 2 · Mar 25, 2011

Replies: 2

Views: 3K

Calculating Distributed Capacitance of a Bifilar Coil?

Mar 25, 2011 · Replies 4 · Mar 25, 2011

Replies: 4

Views: 9K

Understanding Voltage: A Question on Voltage

Mar 25, 2011 · Replies 4 · Mar 25, 2011

Replies: 4

Views: 2K

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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