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

Why can't they track number stations?

  • houlahound
  • · Replies 8 ·
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8

What have you guys engineered in your free time?

  • zachdr1
  • · Replies 11 ·
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11

How to make the sound of my doorbell circuit louder?

  • pmostafa
  • · Replies 2 ·
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2

Can I Control a 2-Way Motor and Change Direction without an Arduino?

  • innovation001
  • · Replies 5 ·
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5

Non conservative electric field and scalar potential V

  • fog37
  • · Replies 2 ·
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2
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7

Asking a question about eddy currents

  • Di Chang
  • · Replies 1 ·
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1

Coil Winding Direction: Clockwise vs Counter-Clockwise

  • Buych778
  • · Replies 1 ·
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1

Self-regulating heating cables low power output

  • amrmohammed
  • · Replies 19 ·
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19

Understanding Lenz's Law: Impediments to Electromagnetic Induction

  • adeborts
  • · Replies 1 ·
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1

Why Use Concentric PE Cables in Frequency Converter Circuits?

  • neduet
  • · Replies 6 ·
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6
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2

Polarity of back EMF in an inductor....

  • fog37
  • · Replies 2 ·
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2

Transistor's equivalent circuit

  • potatowhisperer
  • · Replies 7 ·
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7

What happens if I connect the electric cables in this way?

  • shaft
  • · Replies 5 ·
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5
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4

What is this in power transformer 60 MVA

  • neduet
  • · Replies 2 ·
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2

Analyzing RC response with convolution theorem and fft.

  • davidbenari
  • · Replies 1 ·
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1

Double Busbar Scheme for outdoor switch yard system (132kv)

  • neduet
  • · Replies 8 ·
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8

Calculating current distribution in a HF coaxial cable?

  • Cedric Eveleigh
  • · Replies 5 ·
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5

Solving a Series RLC Transient Analysis Problem

  • Junior
  • · Replies 1 ·
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1

How many batteries are needed to light up this led button?

  • shushi_boi
  • · Replies 4 ·
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4

Can Rainwater Efficiently Power an Alternator for Sustainable Energy?

  • yrjosmiel73
  • · Replies 29 ·
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29

From where we measure current in a pn junction diode

  • NIKHEL RAINA
  • · Replies 2 ·
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2

Calculating Resistivity across a mesh sheet

  • AlexTheFirst
  • · Replies 7 ·
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7

What is the step for designing a 3 Phase Inverter?

  • nunuwishnu
  • · Replies 1 ·
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1

How Can I Operate a Japan Servo AS27278 Motor?

  • toungeinamo5492
  • · Replies 1 ·
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1

Power Inverter + Solar Panel: Run DVR 24/7?

  • xRascal
  • · Replies 4 ·
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4

Can Electromagnets Achieve High Holding Force with 30cm Separation?

  • boileroo
  • · Replies 1 ·
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1

Heating up a wire using electrical current

  • Beatriz Perez
  • · Replies 2 ·
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2

How many LEDs from fixed supply

  • John1397
  • · Replies 4 ·
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4

Harnessing Electricity from an Electromagnetic field?

  • TardisRobber
  • · Replies 3 ·
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3

Does Using Multiple 20mW Transmitters Increase Remote Control Car Range?

  • Tesladude
  • · Replies 4 ·
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4

Circuit that controls time and distance for a 7.6v vehicle?

  • lonely_nucleus
  • · Replies 3 ·
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3

Solve NPN Transistor Puzzle: -0.4V?

  • donpacino
  • · Replies 5 ·
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5

Where can I buy a flexible capacitive touch surface?

  • borshluger
  • · Replies 3 ·
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3

AC Signals - Radians and Degrees? Why do we use both?

  • tomizzo
  • · Replies 30 ·
2
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30

Coulomb's law and Electric field intensity problem

  • rizwanibn
  • · Replies 8 ·
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8

Transformers and Electric power Ltspice

  • ernd59
  • · Replies 4 ·
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4

Why does source current reverse in single phase rectifier with source impedance?

  • nitishsharmabit
  • · Replies 2 ·
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2

How can I fine tune an ultrasonic frequency?

  • K_Mitchell
  • · Replies 18 ·
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18

Basic Electricity: What is Neutral Wire & Why We Need It

  • Russell Ensslin
  • · Replies 45 ·
2
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45
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14

Equipotential Apparatus on the cheap?

  • mishima
  • · Replies 16 ·
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16

Need help understanding inductors

  • Curious146
  • · Replies 25 ·
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25
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6

Does an SN754410NE H Brdige need a microcontroller?

  • aquitaine
  • · Replies 5 ·
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5

Calculating current in an unbalanced wheatstone bridge?

  • The-Steve
  • · Replies 5 ·
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5

Can Multisim Import and Process Sound Files Through a Circuit?

  • houlahound
  • · Replies 5 ·
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5

How can I deactivate the shutter button?

  • Serhatee
  • · Replies 17 ·
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17

Is it possible to increase the amps within/along a circuit?

  • ptownbro
  • · Replies 13 ·
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13

Magnetic field intensity and density

  • nitishsharmabit
  • · Replies 5 ·
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5

How to get device phase in FDTD solution?

  • Marvin
  • · Replies 2 ·
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2

Double check apparent power definition

  • tim9000
  • · Replies 7 ·
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7

How to replicate electric blanket? (Project)

  • KrisEE
  • · Replies 20 ·
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20

Does an AC current have to cross zero?

  • JorisL
  • · Replies 6 ·
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6

DC-DC Converters & KCL: Understanding Current and Power in Motor Models

  • PhiowPhi
  • · Replies 28 ·
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28

Can Piezoelectric Plates Effectively Charge a Phone?

  • nar5i
  • · Replies 1 ·
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1

Slip rings, commutator, dc motor

  • Salvador
  • · Replies 2 ·
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2

Is the Delta current <30 degrees or not?

  • tim9000
  • · Replies 3 ·
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3

5v to ≈70v dc-dc converter in the 1w range?

  • OtherRealm
  • · Replies 5 ·
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5

AC Waveform Question: Deriving Vrms from Vpk - Fawzi

  • Fawzi Da
  • · Replies 2 ·
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2

What is the advantage of using a differential probe for power calculation?

  • EE4life
  • · Replies 15 ·
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15

Charge placed in a cavity in a conductor

  • Ajay.makhecha
  • · Replies 4 ·
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4

I want some help with an electrolysis epilator

  • mikux
  • · Replies 2 ·
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2

Why does voltage increase when batteries are connected in series?

  • aphyx
  • · Replies 35 ·
2
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35

Thermostatically Controlled Meteor Camera

  • AJohn
  • · Replies 7 ·
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7

Designing an Electromagnetic Levitation System: Challenges and Considerations

  • pioneerboy
  • · Replies 3 ·
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3

Magnetic Induction on Wireless Earbuds

  • KG21
  • · Replies 4 ·
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4

Trying to understand the finer points of current flow

  • Scott Pratz
  • · Replies 5 ·
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5

I understanding how skin effect works

  • NCC74656
  • · Replies 11 ·
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11

Book's title help? (given a figure from the book)

  • Vigan
  • · Replies 7 ·
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7

Solenoid Suppressor Module: What is it and How Does it Work?

  • Ferny Kajar
  • · Replies 1 ·
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1

Voltage drop calculations for CCVT's and Current TF's?

  • this1ssteve
  • · Replies 3 ·
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3

How can you figure out the temperature of electricity?

  • neuindus
  • · Replies 2 ·
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2

Logitech X-530 - AM radio frequency

  • konrado5
  • · Replies 4 ·
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4

How to wire up Piezo touch sensitive switch?

  • Ben Whittle
  • · Replies 5 ·
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5

Making Steel Wheels Magnetic for Model Train Track

  • Mike Gaffer
  • · Replies 8 ·
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8

Increase Torque on 10 HP Motor Without RPM Change

  • rickcjmac
  • · Replies 13 ·
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13

Magnetic circuits and Magnetization

  • Fededevi
  • · Replies 8 ·
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8

Earthing and Grounding or Protective Earthing

  • neduet
  • · Replies 2 ·
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2

How to measure the mode of a FET

  • jaydnul
  • · Replies 10 ·
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10

Detecting Lasers with photodiodes---Circuit layout?

  • Paradox101
  • · Replies 11 ·
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11

Superconducting Capacitor for Energy Storage?

  • zmorris
  • · Replies 4 ·
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4

Project: Charging devices with Eolic (Wind) Energy

  • Nexo
  • · Replies 12 ·
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12

Can a Zener Diode with a Breakdown Voltage of 1V be Fabricated?

  • Hossein Roshan
  • · Replies 9 ·
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9

About Crystals in microcontroller......

  • ujjval rathod
  • · Replies 3 ·
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3

Does Shifting Time Reference in AC Circuits Help Simplify Functions?

  • icesalmon
  • · Replies 1 ·
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1

Are the E and H field not orthogonal near the antenna?

  • SirR3D
  • · Replies 9 ·
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9

Resistance between two point voltages on infinite plane

  • Roger44
  • · Replies 37 ·
2
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37

Help with understanding modulation in AM, FM and PM radio

  • onion3000
  • · Replies 11 ·
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11

How do arc furnaces sustain themselves without significant resistance?

  • Upsilon
  • · Replies 12 ·
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12

Understanding Snubber Circuit Types for Capacitor

  • billy fok
  • · Replies 44 ·
2
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44

Putting objects on capacitive touchscreens

  • PorridgeBear
  • · Replies 1 ·
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1

What is D.F and How to Calculate It for Transformer Load?

  • JUJU_100
  • · Replies 7 ·
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7

Semiconductor intrinsic Fermi Level? Bandgap Energy?

  • kidsasd987
  • · Replies 1 ·
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1

Where is the Operational Fox HAM Satellite Located?

  • houlahound
  • · Replies 6 ·
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6

Old Geiger Counter needing repair....

  • mishima
  • · Replies 12 ·
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12

Why is 75 Ω cable commonly used for cable TV instead of 50 Ω?

  • Bernie G
  • · Replies 13 ·
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13

Should I connect all the grounds together in my optocoupler circuit?

  • awaiting
  • · Replies 8 ·
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8