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...

Threads

Understanding Capacitor Voltage in Relation to Ground

  • Mzzed
  • · Replies 8 ·
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8

Why is del(E_t) zero in TEM mode of transmission lines?

  • Adit112
  • · Replies 1 ·
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1

Voltage and current phase shifting/Current without voltage?

  • Purple_Dan
  • · Replies 53 ·
2
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53

High end Radar receiver sensitivities

  • Emperor42
  • · Replies 5 ·
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5

Continuity Tester: A home-project query

  • wirefree
  • · Replies 13 ·
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13

Making a solar powered battery with AC power socket

  • JoeSalerno
  • · Replies 8 ·
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8

Do Transistors That Divide Voltage Exist?

  • FortranMan
  • · Replies 2 ·
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2

How RFID Tags Work: Detailed Explanation for Physics Students

  • Opus_723
  • · Replies 2 ·
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2

Moisure build up in sealed unit

  • johanndavel
  • · Replies 9 ·
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9

How much can a laser burn through?

  • JoeSalerno
  • · Replies 1 ·
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1

Why is a periodic function Time Variant?

  • Dorshoshani
  • · Replies 3 ·
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3

Electromagnetic Ring Expansion Test

  • AlejandroMC
  • · Replies 2 ·
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2

A circuit board to charge a LiPo battery?

  • Artonn
  • · Replies 1 ·
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1

Thyristor: Definition & Working Principles

  • AlejandroMC
  • · Replies 2 ·
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2

German Electric Train Starts Singing: Is It True?

  • DaveC426913
  • · Replies 5 ·
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5

Converting Nintendo 3DS Battery Voltage for Developers

  • Joel16
  • · Replies 3 ·
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3

Solving equation with T2 (Final Temperature)

  • Bogumil
  • · Replies 4 ·
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4

Decaying current power calculation

  • Mzzed
  • · Replies 3 ·
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3

Troubleshooting Unexpected Volume Control on Smart TV and Soundbar

  • DaveC426913
  • · Replies 4 ·
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4

How can I connect a speaker to my amp without a physical wires

  • Chrisaz
  • · Replies 3 ·
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3

Connecting a Sensor to an RFID Chip: A Mechanical Engineer's Guide

  • volican
  • · Replies 4 ·
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4

Load Angle of Synchronous Motor at No Load

  • rob1985
  • · Replies 4 ·
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4

Rewind Stator Winding Alternator | Insulation Materials Needed

  • souky101
  • · Replies 3 ·
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3

Conductivity of materials -- What factors influence it?

  • AybPhysics
  • · Replies 4 ·
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4

Enhancing Circuit Design: Adding a Second Solenoid in Parallel

  • marcktz
  • · Replies 3 ·
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3

Use PalsFit to Extract Info from 22Na, 60Co Specters

  • MihaiONEeye
  • · Replies 2 ·
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2
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21

Bulbs that only emit long IR (>1200nm) or 1000K color temp.

  • nlis12
  • · Replies 10 ·
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10

What will happen if I wrap the router in metalic foil

  • kos
  • · Replies 3 ·
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3

How to Simulate 3-Axis Helmholtz Coil in Maxwell 3D?

  • pisoj
  • · Replies 1 ·
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1

Field Oriented Control Clarification

  • Physicslearner500039
  • · Replies 2 ·
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2

Clarification of the motor rotor position

  • Physicslearner500039
  • · Replies 7 ·
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7

Rotor magnetic field and stator magnetic field

  • Physicslearner500039
  • · Replies 3 ·
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3

In a basic series-wound generator, what is "load voltage"

  • Ocata
  • · Replies 6 ·
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6
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2

Calculating the reactive power of a transmission line

  • anon6912
  • · Replies 9 ·
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9

The Peculiar Behavior of a large electromagnetic coil

  • eidolon171
  • · Replies 17 ·
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17

Is there an RFID chip that lets you add sensor input?

  • volican
  • · Replies 6 ·
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6

Solve Coilgun Inefficiency & Measure Projectile Speed France

  • oum
  • · Replies 6 ·
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6

Series Pass Regulator Design Guide: Transfer Function & Compensation

  • Dextrine
  • · Replies 9 ·
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9

Current and voltage relationship in an electric motor

  • bachir1994
  • · Replies 7 ·
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7

Slotted waveguide communications system

  • kedam
  • · Replies 14 ·
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14

Neutral current in three-phase systems

  • bachir1994
  • · Replies 1 ·
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1

Listening to Air Traffic Control (ATC) with my phone

  • Vicara
  • · Replies 21 ·
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21

A question about radio receivers

  • Alex Cros
  • · Replies 33 ·
2
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33

Why don't Marinas have GFCI protection to prevent Electrical Shock Drowning?

  • berkeman
  • · Replies 17 ·
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17

MOSFET or Rheostat or Potentiometer pros and cons?

  • Yitzy
  • · Replies 4 ·
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4

What happens if you use Tesla coil to charge a capacitor?

  • jongmin1992
  • · Replies 6 ·
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6

Stray capacitance -- how to calculate formula....

  • michael1978
  • · Replies 6 ·
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6

Logisim question -- Simulation of a small logic circuit is not working

  • peripatein
  • · Replies 14 ·
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14

Is the output of my ignition coil AC?

  • eigenmax
  • · Replies 12 ·
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12

Diagnosis of large brushed DC motor

  • Dans250cortina
  • · Replies 5 ·
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5

Constant Current Source for high current

  • Akmalidin
  • · Replies 17 ·
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17

How Does State Space Design Compare to Classical PID Controllers?

  • MikeSv
  • · Replies 1 ·
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1

Replacing a diesel engine with an electric motor

  • Jake Posch
  • · Replies 20 ·
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20

How to convert Audio output jack signal to 5V range?

  • midhunkumar
  • · Replies 9 ·
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9

Powering an LED strip with a 12v battery

  • mynameisterry
  • · Replies 7 ·
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7

Why do flamingos stand on one leg?

  • JanelleNica
  • · Replies 25 ·
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25
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8

Choice of a generator set for a drilling pump

  • bachir1994
  • · Replies 4 ·
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4

How to find the torque constant of BLDC motor?

  • AFZAL AMANULLAH
  • · Replies 3 ·
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3

Is the torque constant of a DC motor the same regardless of voltage?

  • bbq_build
  • · Replies 60 ·
3
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60

Can I use a relay to wire DC lights to a speaker?

  • llatosz
  • · Replies 14 ·
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14

Discover the Piezoelectric Equations for Ceramic Multi-Layer Components

  • tbader
  • · Replies 13 ·
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13

Fire Starting Stick for Prairie Burns

  • McGuire Made
  • · Replies 5 ·
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5

Simple Battery Misunderstanding

  • Mzzed
  • · Replies 9 ·
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9

Understanding Circuit Breaker Terminals: IN & OUT Explained

  • Gabriel Samek
  • · Replies 2 ·
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2

Help Interpreting PID Controller Settings

  • JustinAW
  • · Replies 6 ·
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6

Connecting mini wind turbine to charge phone

  • ajob
  • · Replies 3 ·
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3

3 phase motor net magnetic field

  • Physicslearner500039
  • · Replies 4 ·
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4

What Determines Voltage Reference and Measurement Accuracy?

  • Guineafowl
  • · Replies 15 ·
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15

What could be the ratings of inductor used?

  • Nikhil N
  • · Replies 18 ·
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18

Find Reliable Current Density Sensors for Aluminum Foil Treatment

  • maconga
  • · Replies 5 ·
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5

Need help doing force calculations with magnetism (between magnets)

  • CCatalyst
  • · Replies 31 ·
2
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31

Understanding Power Dissipation in Series Circuits

  • steven barnett
  • · Replies 10 ·
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10

Eddy Current brakes operating at high speeds

  • jmhumphrey
  • · Replies 5 ·
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5

Microcontroller Pulse Width Modulation to Analog DC Voltage

  • SSGD
  • · Replies 11 ·
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11

Experimenting with Windings: Maximum Voltage Output?

  • Entrepreneur
  • · Replies 21 ·
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21

Hello everyone, can somebody with cascode amplifier

  • michael1978
  • · Replies 4 ·
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4

Why Is My Oscilloscope Signal Pulsating?

  • nordmoon
  • · Replies 4 ·
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4

How Did WEG Achieve IE4 Efficiency with Aluminum Rotor Cages?

  • Bojan
  • · Replies 4 ·
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4

Capacitive coupling clamp not working as expected

  • Nikhil N
  • · Replies 3 ·
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3

Current return path: Why does current return to its source

  • Methias
  • · Replies 3 ·
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3

How to measure output voltage of B200?

  • Nate Duong
  • · Replies 3 ·
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3

One coil twisted in a figure 8 vs. two coils side-by-side

  • Thelonious Monk
  • · Replies 5 ·
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5

What Capacitor Size Is Needed for a Rapid Discharge Application?

  • JoeSalerno
  • · Replies 4 ·
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4

Electronics designing for 1970s automotive OBD

  • Kai Nordberg
  • · Replies 20 ·
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20

LED Light Tail Lights: Find a Way to Turn Off/On!

  • nitinkranti
  • · Replies 5 ·
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5

How Do You Choose the Right Decoupling Capacitors for TDA2050?

  • michael1978
  • · Replies 18 ·
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18

Resonant Frequency and Transfer Functions

  • Apogee
  • · Replies 1 ·
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1

Create Your Own zF Capacitor | PF

  • G Cooke
  • · Replies 16 ·
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16

What kind of itterations was done here

  • dan_smith
  • · Replies 1 ·
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1

AC Mains meter circuit design for energy sources....

  • terahertz
  • · Replies 10 ·
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10

Two solenoids and a ferrite bar

  • riscy00
  • · Replies 1 ·
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1

Could someone me identify a burned-up resistor

  • carlos468
  • · Replies 33 ·
2
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33

Is my model a correct one -- adding two pid controllers

  • ABDUL HASEEB ARIF
  • · Replies 1 ·
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1

MOSFETs pulsing at a frequency out-of-phase

  • tim9000
  • · Replies 7 ·
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7

Noob in the field -- problems making a solenoid....

  • Anugrah_kora
  • · Replies 3 ·
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3

House almost burnt down from electrical fire, wondering why

  • quickquestion
  • · Replies 18 ·
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18

H-Bridge - diodes (or rather the lack of)

  • Dixo
  • · Replies 6 ·
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6