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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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AC electromagnet questions-I'm smart, but not an engineer-Help

May 3, 2009 · Replies 4 · May 3, 2009

Replies: 4

Views: 6K

What Happens to Charge and Energy When Connecting Capacitors in Parallel?

May 3, 2009 · Replies 2 · May 3, 2009

Replies: 2

Views: 2K

Stepper Motor Control: Replicating Rotation at Point A at Point B

Apr 15, 2009 · Replies 10 · May 3, 2009

Replies: 10

Views: 5K

Understanding Reverse HFE in Transistors for Audio Circuit Protection

Apr 7, 2009 · Replies 3 · May 2, 2009

Replies: 3

Views: 5K

Obtaining power distribution of faded signal

Apr 16, 2009 · Replies 2 · May 2, 2009

Replies: 2

Views: 2K

Need help with Circuit: LED Blinking Problem

May 1, 2009 · Replies 23 · May 2, 2009

Replies: 23

Views: 10K

Optimizing Motor Performance: Series vs Parallel Wiring

May 1, 2009 · Replies 5 · May 2, 2009

Replies: 5

Views: 37K

How Can I Improve My Magnetic Launcher Project?

Apr 26, 2009 · Replies 17 · May 2, 2009

Replies: 17

Views: 14K

What Is the Best DC to AC Converter for a 500V, 50A Generator?

Apr 21, 2009 · Replies 29 · May 1, 2009

Replies: 29

Views: 7K

Thermionic emission and diffusion theory

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

Replies: 1

Views: 7K

IEEE Project Format: What is the Standard?

May 1, 2009 · Replies 2 · May 1, 2009

Replies: 2

Views: 41K

Figuring power dissipation increase w/ heatsink

Apr 29, 2009 · Replies 8 · May 1, 2009

Replies: 8

Views: 5K

AIM Spice/Extract: Experience & Replies Appreciated

Apr 26, 2009 · Replies 1 · May 1, 2009

Replies: 1

Views: 3K

What is the difference between complex and real signals in mobile communication?

Apr 26, 2009 · Replies 8 · May 1, 2009

Replies: 8

Views: 15K

Electric Field in simple circuit

May 2, 2005 · Replies 4 · May 1, 2009

Replies: 4

Views: 10K

What are the Best Off-the-Shelf Micro Liquid Delivery Systems?

Apr 22, 2009 · Replies 8 · May 1, 2009

Replies: 8

Views: 4K

Why computer clocks hardly goes above ~5GHz?

Mar 19, 2009 · Replies 33 · May 1, 2009

2

Replies: 33

Views: 6K

What Determines Maximum Voltage in an RL Circuit with AC Power?

Apr 30, 2009 · Replies 1 · May 1, 2009

Replies: 1

Views: 9K

Pedal Power: A Business Success Story & Wiring Questions

Apr 30, 2009 · Replies 7 · Apr 30, 2009

Replies: 7

Views: 3K

FPGA VHDL tristate buffer for ram inout signal

Apr 28, 2009 · Replies 3 · Apr 30, 2009

Replies: 3

Views: 11K

How can I use electrostatics to collect dust in my home?

Apr 30, 2009 · Replies 2 · Apr 30, 2009

Replies: 2

Views: 4K

Can Electrostatic Charge Attract Dust in a Household Environment?

Sep 16, 2007 · Replies 4 · Apr 30, 2009

Replies: 4

Views: 4K

Computer Engineering VS. Telecommunication Engineering?

Apr 26, 2009 · Replies 1 · Apr 29, 2009

Replies: 1

Views: 19K

How to remove hysteresis from a temperature sensor

Apr 29, 2009 · Replies 1 · Apr 29, 2009

Replies: 1

Views: 7K

Varnish or Potting, Which one is Better to Avoid Humming Noise from Inductor

Apr 28, 2009 · Replies 8 · Apr 29, 2009

Replies: 8

Views: 12K

Constant-amplitude vs. constant-velocity, in layman's terms

Apr 28, 2009 · Replies 2 · Apr 29, 2009

Replies: 2

Views: 8K

Help Needed: Oscillator Survey for High Quality Oscillators

Oct 3, 2007 · Replies 25 · Apr 28, 2009

Replies: 25

Views: 5K

How Can I Suppress an Annoying PA System Annunciator Tone?

Apr 28, 2009 · Replies 5 · Apr 28, 2009

Replies: 5

Views: 3K

High-Speed Angular Position Measurement for Precision Applications

Apr 27, 2009 · Replies 7 · Apr 28, 2009

Replies: 7

Views: 3K

Is HHO Resonance a Real Discovery or a Scientific Hoax?

Apr 27, 2009 · Replies 5 · Apr 28, 2009

Replies: 5

Views: 21K

Increase the duty cycle of a pwm?

Apr 27, 2009 · Replies 2 · Apr 28, 2009

Replies: 2

Views: 4K

Discover the Best 12V Solar Charger Circuit for Your FYP Project"

Apr 27, 2009 · Replies 4 · Apr 27, 2009

Replies: 4

Views: 3K

My made solenoid doesnt induce magnetic field. What did I miss?

Apr 25, 2009 · Replies 5 · Apr 25, 2009

Replies: 5

Views: 4K

Problem Building LC Parallel Tank Circuit: Seeking Help

Apr 24, 2009 · Replies 8 · Apr 25, 2009

Replies: 8

Views: 2K

Impulse Train vs Sampling Function

Mar 29, 2009 · Replies 10 · Apr 25, 2009

Replies: 10

Views: 12K

Is the Ground of a Car Battery Connected to Any Metal Surface on the Car?

Apr 25, 2009 · Replies 5 · Apr 25, 2009

Replies: 5

Views: 10K

How to transmit video long distance for cheap

Apr 25, 2009 · Replies 1 · Apr 25, 2009

Replies: 1

Views: 5K

Solve for Bmax: Quick Faraday Equation with Transformer Parameters

Apr 24, 2009 · Replies 1 · Apr 24, 2009

Replies: 1

Views: 2K

What is this weird protoboard resistor strip thing? dumb question yep

Apr 15, 2009 · Replies 14 · Apr 24, 2009

Replies: 14

Views: 7K

What Is Electricity? Examples & Explanations

Apr 8, 2009 · Replies 6 · Apr 24, 2009

Replies: 6

Views: 3K

Help with Bode Plots | Gain Calculation

Apr 24, 2009 · Replies 1 · Apr 24, 2009

Replies: 1

Views: 3K

Ground Grid Study: Short Circuit Current Analysis

Apr 23, 2009 · Replies 2 · Apr 24, 2009

Replies: 2

Views: 2K

Can a laptop charger be made vampire-proof with a timer and check circuit?

Apr 20, 2009 · Replies 8 · Apr 23, 2009

Replies: 8

Views: 4K

Advice on a buffer/inverter chip

Apr 23, 2009 · Replies 3 · Apr 23, 2009

Replies: 3

Views: 4K

555 Timer RC Charging Capacitor Conundrum

Apr 17, 2009 · Replies 5 · Apr 23, 2009

Replies: 5

Views: 5K

Thevenin and Norton Equivalent Circuits problem

Apr 22, 2009 · Replies 2 · Apr 23, 2009

Replies: 2

Views: 8K

Question on current flow through polarized capacitors

Apr 21, 2009 · Replies 6 · Apr 23, 2009

Replies: 6

Views: 10K

Problems with Inverter and transformer

Apr 12, 2009 · Replies 7 · Apr 22, 2009

Replies: 7

Views: 4K

Connecting 3-Phase Windings to a 3-Phase Switch

Apr 20, 2009 · Replies 8 · Apr 22, 2009

Replies: 8

Views: 3K

Self Resonant Frequency in a Solenoid

Apr 20, 2009 · Replies 13 · Apr 22, 2009

Replies: 13

Views: 11K

Rectified AC through an AC transformer

Apr 21, 2009 · Replies 9 · Apr 21, 2009

Replies: 9

Views: 4K

Understanding the Bode Plot: Frequency vs. dB

Dec 3, 2005 · Replies 4 · Apr 21, 2009

Replies: 4

Views: 7K

How to build an RC circuit for intermittent light bulb?

Apr 20, 2009 · Replies 10 · Apr 21, 2009

Replies: 10

Views: 5K

Designing RF Antennas: From Intuition to Simulation Tools

Apr 21, 2009 · Replies 3 · Apr 21, 2009

Replies: 3

Views: 3K

Electronic device turned on in presence of tesla coil

Apr 21, 2009 · Replies 1 · Apr 21, 2009

Replies: 1

Views: 2K

Converting Pulsating Current to DC

Apr 16, 2009 · Replies 4 · Apr 21, 2009

Replies: 4

Views: 2K

Minimize charging time of a battery

Apr 20, 2009 · Replies 3 · Apr 20, 2009

Replies: 3

Views: 2K

LM317 LDO pin compat replacement for CC op?

Apr 15, 2009 · Replies 3 · Apr 20, 2009

Replies: 3

Views: 7K

Maximizing Current Through a Coil Without Short Circuiting

Apr 18, 2009 · Replies 9 · Apr 19, 2009

Replies: 9

Views: 3K

Electrochemistry (batteries), Wheatstone bridge question.

Apr 12, 2009 · Replies 6 · Apr 19, 2009

Replies: 6

Views: 4K

Quantity referred to as 'self-capacitance

Apr 10, 2009 · Replies 6 · Apr 19, 2009

Replies: 6

Views: 9K

The Importance of Voltage in Electrical Components

Apr 14, 2009 · Replies 4 · Apr 18, 2009

Replies: 4

Views: 3K

Bandwidth Problem: Increase Gain & Keep Constant

Apr 17, 2009 · Replies 2 · Apr 18, 2009

Replies: 2

Views: 2K

How to Implement Error Handling in a VHDL T Flip-Flop Design?

Mar 25, 2009 · Replies 3 · Apr 17, 2009

Replies: 3

Views: 13K

Need a cheap binary AM transmitting circuit

Apr 15, 2009 · Replies 2 · Apr 17, 2009

Replies: 2

Views: 3K

What Experiments Can Prove Light and Wavelength Theory Using TCS230?

Apr 17, 2009 · Replies 4 · Apr 17, 2009

Replies: 4

Views: 7K

Change battery input with a power adaptor

Apr 16, 2009 · Replies 8 · Apr 17, 2009

Replies: 8

Views: 5K

Troubleshooting Unstable ADC Reading for PT100 Signal Circuit

Apr 15, 2009 · Replies 7 · Apr 16, 2009

Replies: 7

Views: 5K

What is the voltage drop across a diode when it is reverse biased?

Apr 14, 2009 · Replies 6 · Apr 16, 2009

Replies: 6

Views: 68K

Selective Dimmer for Two Light Sources

Apr 13, 2009 · Replies 9 · Apr 16, 2009

Replies: 9

Views: 2K

Need cheap way/product to produce acurrent at very low voltage.

Apr 13, 2009 · Replies 10 · Apr 15, 2009

Replies: 10

Views: 3K

Answer: Calculating Time to Discharge Capacitor Rated x Micro-Farads

Apr 15, 2009 · Replies 5 · Apr 15, 2009

Replies: 5

Views: 3K

Behaviour of LEDs in presence of magnetic fields?

Apr 13, 2009 · Replies 3 · Apr 14, 2009

Replies: 3

Views: 7K

Rev Counter Problem need info on a signal divider

Apr 14, 2009 · Replies 3 · Apr 14, 2009

Replies: 3

Views: 2K

Solving 82C55 Doubt: Usage & Examples

Apr 14, 2009 · Replies 1 · Apr 14, 2009

Replies: 1

Views: 2K

Learning device, help me expound: on Faraday's choice of ion , and unionized

Apr 13, 2009 · Replies 2 · Apr 13, 2009

Replies: 2

Views: 5K

What's the difference between an electron hole and a positron?

Apr 13, 2009 · Replies 8 · Apr 13, 2009

Replies: 8

Views: 13K

Replacing an Audio Transformer: EI-19 Output Specs and Replacement Guide

Apr 12, 2009 · Replies 3 · Apr 13, 2009

Replies: 3

Views: 4K

Power Factor and Inductance: How Does Varying Inductance Affect Power Factor?

Apr 2, 2009 · Replies 17 · Apr 13, 2009

Replies: 17

Views: 3K

A sort of free energy? Possbilble or not

Apr 13, 2009 · Replies 2 · Apr 13, 2009

Replies: 2

Views: 2K

How do you approach designing complicated circuits?

Apr 9, 2009 · Replies 15 · Apr 12, 2009

Replies: 15

Views: 3K

Building a Guitar Effects Pedal

Mar 31, 2009 · Replies 10 · Apr 12, 2009

Replies: 10

Views: 3K

DC to AC Converter: Understand Power Inverter Transistors & DC Source

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

Replies: 3

Views: 4K

Where do I get started with analog/digital circuit design?

Apr 10, 2009 · Replies 5 · Apr 11, 2009

Replies: 5

Views: 3K

Continuous Charge Distribution?

Apr 7, 2009 · Replies 1 · Apr 10, 2009

Replies: 1

Views: 2K

Good fluke meter runs around $300

Apr 10, 2009 · Replies 9 · Apr 10, 2009

Replies: 9

Views: 3K

Calculating Cable Size | Engineers Guide

Mar 31, 2009 · Replies 6 · Apr 10, 2009

Replies: 6

Views: 15K

Do real circuits need to be physically grounded?

Apr 6, 2009 · Replies 7 · Apr 10, 2009

Replies: 7

Views: 5K

Which voltage option for single phase supply?

Apr 8, 2009 · Replies 3 · Apr 10, 2009

Replies: 3

Views: 4K

Connecting 460V Motor to 480V Supply - Issues & Risks

Apr 4, 2009 · Replies 1 · Apr 10, 2009

Replies: 1

Views: 6K

Ultrasonic Radar: How to Build & Use on a Computer

Apr 10, 2009 · Replies 2 · Apr 10, 2009

Replies: 2

Views: 3K

Using PV cells to energize an air core coil

Apr 7, 2009 · Replies 6 · Apr 10, 2009

Replies: 6

Views: 3K

Electricity: Positive to Negative or Negative to Positive?

Apr 9, 2009 · Replies 1 · Apr 9, 2009

Replies: 1

Views: 4K

Common emitter vs. common collector power amplification

Apr 9, 2009 · Replies 3 · Apr 9, 2009

Replies: 3

Views: 12K

Interested in robotics and astro physics

Apr 5, 2009 · Replies 1 · Apr 9, 2009

Replies: 1

Views: 2K

Ground question and pen voltage detectors.

Apr 8, 2009 · Replies 2 · Apr 9, 2009

Replies: 2

Views: 2K

What Are the Major Device Ratings for a MOSFET?

Apr 9, 2009 · Replies 1 · Apr 9, 2009

Replies: 1

Views: 4K

DC to AC Inverter Design Difficulty

Apr 8, 2009 · Replies 1 · Apr 9, 2009

Replies: 1

Views: 6K

Solve Autocorrelation of WSS RP and Modulated Carrier Cos(w0t+Θ)

Apr 8, 2009 · Replies 1 · Apr 9, 2009

Replies: 1

Views: 3K

Electric current and voltage question

Apr 7, 2009 · Replies 7 · Apr 8, 2009

Replies: 7

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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