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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...
Optimal Laser Wavelength and Power for Insect Elimination on Skin Without Harm
  • Bilan
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If DC current is chopped on it's way to a load, what happens to the EM?
  • username001
  • · Replies 7 ·
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7
AC gaussmeter in static magnetic field
  • user079622
  • · Replies 21 ·
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21
Ltspice - divided two plots from different run simulations
  • arielkool
  • · Replies 2 ·
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2
Custom UHF Yagi antenna build
  • Guineafowl
  • · Replies 63 ·
3
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63
Gravity Based Electricity Generator
  • kingamada
  • · Replies 74 ·
3
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74
Generator load sharing
  • isquaredr
  • · Replies 4 ·
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4
A little help understanding 3 phase waveforms and summation
  • InquisitiveOne
  • · Replies 5 ·
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5
Silly question about series batteries
  • badr
  • · Replies 29 ·
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29
What explains the current flow in a LC circuit?
  • Est120
  • · Replies 4 ·
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4
Making a Shortwave listening antenna
  • Guineafowl
  • · Replies 44 ·
2
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44
Harmonics, Interferences, Autocorrelations, FFT
  • Ephant
  • · Replies 7 ·
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7
Help me understand cheap boost module?
  • mishima
  • · Replies 9 ·
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9
Even Engineers Doodle -- on the ICs they design
  • Tom.G
  • · Replies 4 ·
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4
Help using Atlas Silvaco to simulate an OLED
  • halaoui12
  • · Replies 5 ·
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5
Inrush current in a transformer chain
  • Guineafowl
  • · Replies 4 ·
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4
Optimal thin absorber of electromagnetic energy
  • Leo2024
  • · Replies 4 ·
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4
Problem with Ansys Maxwell "current leak to the air"
  • jdiab11
  • · Replies 1 ·
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1
How electricity distributers achieve equal phase loads?
  • user079622
  • · Replies 5 ·
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5
Manually charging batteries
  • Juanda
  • · Replies 11 ·
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11
How to make an Electrical Diagram with added Steinmetz Circuit for a Delta 3 phase motor?
  • lucw123
  • · Replies 0 ·
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0
Submarine communications and RF skin depth
  • Guineafowl
  • · Replies 6 ·
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6
Electromagnetic field vs electromagnetic wave "radiation"
  • user079622
  • · Replies 7 ·
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7
Calculate current through tank circuit on induction heater
  • imsmooth
  • · Replies 27 ·
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27
Why and by how much does unbalanced current flow increase EM radation?
  • user079622
  • · Replies 9 ·
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9
New High Efficiency Power Lines
  • bhobba
  • · Replies 4 ·
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4
Wavelet transform (CWT and DWT)
  • fog37
  • · Replies 4 ·
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4
Measuring Power output of DC generator
  • Deathz
  • · Replies 38 ·
2
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38
Is the power delivered by 1 no. of 3 phase system the same as 3 no. of 1-phase system?
  • Jasper12
  • · Replies 16 ·
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16
Design
  • rossc12
  • · Replies 4 ·
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4
Can I twist the Connecting cable with the Connecting pipe?
  • Shervan360
  • · Replies 5 ·
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5
Li-Ion vs LiPo… why not both?
  • Flyboy
  • · Replies 3 ·
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3
Counting of Integrated Circuits by photo or video
  • Devildog
  • · Replies 7 ·
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7
Reflow Oven Replaceable With A Heat Gun?
  • bmarc92
  • · Replies 7 ·
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7
Computer Communication Theory & Information Theory - A name change?
  • Lou Arnold
  • · Replies 3 ·
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3
Monitor's magnetic field setting off handheld CO detector
  • flatmosquito
  • · Replies 6 ·
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6
Solar panel with circuit inside a PC box -Not working
  • Madhumkm12
  • · Replies 3 ·
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3
US Split-Phase to EU Heat Pump Not Working
  • quantumn
  • · Replies 1 ·
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1
Why is impedance given as a simple Ohms unit when it's frequency dependent?
  • Crimadella
  • · Replies 10 ·
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10
Induction heater with high Q factor
  • StoyanNikolov
  • · Replies 8 ·
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8
Solar panel conundrum -- Not enough power?
  • johnwinter645
  • · Replies 7 ·
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7
What Is the Combined Magnetic Force When Parallel Magnets Align?
  • curiouschris
  • · Replies 3 ·
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3
Crutchfield at 50 years old: A nice electronics success story
  • difalcojr
  • · Replies 1 ·
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1
Where is the 'Origin' on a Bode Plot?
  • dvscrobe
  • · Replies 8 ·
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8
Does Rolling a Magnetic Core on a Magnet Affect Its Properties?
  • Milas
  • · Replies 2 ·
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2
Odd box that connects to alternator and produces 120 volt DC....
  • klook
  • · Replies 22 ·
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22
I can't understand this circuit board
  • Shauryafrom2006
  • · Replies 4 ·
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4
Possible to change a thermistor resistance curve?
  • Rynobomb
  • · Replies 19 ·
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19
Stability of LTI systems with control
  • JoshLagoon
  • · Replies 1 ·
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1
Reverse-Flow Protection Mosfet Control?
  • M de L
  • · Replies 10 ·
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10
Alternatives to Shaded Pole Gearmotors for Oil Skimmer application
  • kunalv
  • · Replies 3 ·
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3
Amplifier Circuit help, impedance matching
  • DIYEngine235
  • · Replies 20 ·
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20
I found this circuit board in an old toy car. What does it do?
  • leVanw
  • · Replies 1 ·
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1
Why are my Telegraph Transmitters not grounding correctly?
  • ziadigi
  • · Replies 8 ·
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8
What causes voltage between AC Mains phase and me?
  • electricx
  • · Replies 5 ·
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5
Converting from sin to cos appropriately with phasors
  • wellmoisturizedfrog
  • · Replies 5 ·
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5
Difficult Understanding Magnitude and Phase Shift of Transfer Function
  • wellmoisturizedfrog
  • · Replies 4 ·
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4
Insulated copper wire turned into gray powder
  • Majorana
  • · Replies 72 ·
3
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72
Need help matching two coils and calculations
  • edlee008
  • · Replies 9 ·
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9
Need a 5V to 15V conversion with 555
  • imsmooth
  • · Replies 18 ·
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18
How Is a Power Recliner Wired for Multiple Functions?
  • erobz
  • · Replies 4 ·
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4
Maxwell 3D & Icepak thermal simulation for a air coil
  • Melon
  • · Replies 4 ·
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4
Induction motor windings, number of turns per phase and per pole
  • rulmismo
  • · Replies 2 ·
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2
Lomb-Scargle periodogram for complex exponential signal
  • tworitdash
  • · Replies 0 ·
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0
Understanding Output Voltages for a Center Tapped Transformer
  • JC2000
  • · Replies 6 ·
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6
Creating a simulator for an electromagnetic mass driver
  • Schwab
  • · Replies 2 ·
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2
Can 9V DC Be Lethal in Biomedical Experiments?
  • Ephant
  • · Replies 5 ·
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5
The battery voltage drops when fed to the DC booster circuit
  • leVanw
  • · Replies 3 ·
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3
Can I control a two-speed fan motor with a two-way light wall switch?
  • senmeis
  • · Replies 17 ·
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17
DC input random offset voltage for diff. amplifier with current-mirror load
  • eyeweyew
  • · Replies 2 ·
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2
Voltaic cell + battery in series
  • Manganese
  • · Replies 3 ·
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3
What factors determine the resistance and inductance in a coil?
  • Milas
  • · Replies 2 ·
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2
Is there a Switch that can Withstand a Very High Current?
  • leVanw
  • · Replies 15 ·
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15
Can a Community College Lab Simulate Real Lightning Conditions?
  • Hopper_18
  • · Replies 3 ·
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3
ABC reference frame synchronous generator modelling in Ltspice
  • rodv92
  • · Replies 1 ·
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1
Understanding Electric Shock in Floating-Neutral and Floating-Ground Scenarios
  • zabala9
  • · Replies 19 ·
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19
Autotransformers in solar energy applications
  • Alex Towers
  • · Replies 32 ·
2
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32
Length of USB cable w/o twisted data pair to reach Hi Speed 480Mbps
  • Ephant
  • · Replies 38 ·
2
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38
Van der Pauw method for sheet resistance measurement
  • Dario56
  • · Replies 7 ·
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7
Calculate IC equalizer frequencies and gain
  • tritonas00
  • · Replies 1 ·
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1
Tips for Soldering 4 Pin Mini DIN USB Cables
  • Ephant
  • · Replies 27 ·
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27
Reducing AC inrush current in this setup
  • zabala9
  • · Replies 15 ·
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15
What are these possible heat dissipation tubes?
  • phinds
  • · Replies 11 ·
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11
Increasing induction motor frequency
  • Guineafowl
  • · Replies 9 ·
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9
What is electronic component R22CC1 and why is it rotating?
  • andymag
  • · Replies 9 ·
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9
Static electricity, cell phone in a rubber case
  • chilli42
  • · Replies 7 ·
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7
Is 2010 the beginning of stable period for amplifiers?
  • Ephant
  • · Replies 6 ·
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6
UPS power must be higher than PSU rated power?
  • user079622
  • · Replies 11 ·
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11
Ansys Maxwell Simulation - Torque Fluctuating
  • Kahraman
  • · Replies 3 ·
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3
Microchip Imaging: What Magnification is Needed for Electron Microscopy?
  • Dr Wu
  • · Replies 3 ·
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3
Does an Rx antenna's Zout differ using near- & far- field "beacon" Tx?
  • Swamp Thing
  • · Replies 10 ·
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10
Do they have powerful battery packs that can run a vacuum?
  • LightningInAJar
  • · Replies 31 ·
2
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31
800 ohm transmission line from Ethernet cable?
  • Swamp Thing
  • · Replies 9 ·
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9
What USB adaptor is suitable for a smartwatch?
  • Shervan360
  • · Replies 3 ·
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3
Same RF signal to both gates of MOSFET --> Better linearity?
  • Swamp Thing
  • · Replies 1 ·
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1
Alternator torque when connected to a phase-shifted AC source
  • Sibbo
  • · Replies 3 ·
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3
Window fan: Bypassing thermostat with a button
  • DaveC426913
  • · Replies 2 ·
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2
Variable vs constant power supply
  • Ephant
  • · Replies 32 ·
2
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32
Capacitor Discharge: Impact of Capacitance on Discharge Intensity
  • leVanw
  • · Replies 1 ·
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1
Simulated voltage gain in Multisim differs very much from calculated
  • georgefrenk
  • · Replies 8 ·
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8