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

Breakdown voltage of humid air in uniform electric field

  • Ali_A
  • · Replies 8 ·
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8

*Very* Small Low Freq Antennas with directivity?

  • dnyberg2
  • · Replies 25 ·
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25

Haynes manual wiring schematic is confusing the....

  • Hondaboi1729
  • · Replies 6 ·
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6

Battery charger circuit fault(s)

  • Guineafowl
  • · Replies 5 ·
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5

Data logger for static charge meter

  • RobertWW
  • · Replies 3 ·
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3

Understanding DTFT Angular Frequency: Mike's Questions

  • MikeSv
  • · Replies 4 ·
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4

Switching high voltages with arduino and a relay

  • William123
  • · Replies 2 ·
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2

Stacking plates in an induction cooktop - effect on primary coil

  • roro36
  • · Replies 1 ·
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1

Selection of multi-pin connector for power lead cables

  • AligatorAmy
  • · Replies 10 ·
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10

Bridge rectifier AC-DC converter: 220V to 1V with 5% ripple

  • George317
  • · Replies 7 ·
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7

Orbital Shaker Rheostat circuit

  • biobort
  • · Replies 9 ·
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9

Why is the transformer grounded this way in a marine 440V to 230V system?

  • Junior01
  • · Replies 15 ·
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15
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22

How do batteries create current and where do the electrons come from?

  • UWouldKnow
  • · Replies 9 ·
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9

Arduino relay not triggering LEDs or making noise

  • UWouldKnow
  • · Replies 15 ·
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15
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10

Mains transformer with 1.4 ohm primary winding?

  • Plat
  • · Replies 6 ·
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6

Wind turbine AC generator's reluctance

  • Akmalidin
  • · Replies 3 ·
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3

Monitoring a 24 kHz frequency, logging a digital dB reading

  • mishima
  • · Replies 14 ·
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14

Calculating the mutual coupling coefficient of E cores

  • tim9000
  • · Replies 47 ·
2
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47
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4

What is the third wire in a type-K thermocouple?

  • Artyman
  • · Replies 30 ·
2
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30

Constant current source Inverter

  • ESMAT 1995
  • · Replies 12 ·
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12

Disadvantages of unnecessary increase in PID gain

  • Abdul Wali
  • · Replies 22 ·
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22

How much AC is there in a car battery

  • John1397
  • · Replies 4 ·
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4

Effect of saturation on transformer inductance

  • EEstudent90
  • · Replies 4 ·
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4

Inducing electricity w/ moving piece of metal, static magnet

  • kallesmajs
  • · Replies 10 ·
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10

Circuit breaker using microcontroller project

  • TheRedDevil18
  • · Replies 8 ·
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8

Identifying overhead power lines (esp. UK)

  • Guineafowl
  • · Replies 20 ·
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20

Which Courses Would Benefit Me for Quantum Computing?

  • TheRealShah777
  • · Replies 6 ·
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6

Controlling the speed of an AC motor?

  • CrzCz
  • · Replies 16 ·
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16

Calculating Amps and VA for Multiple Secondary Windings in a 28W Transformer

  • Divendra Nath
  • · Replies 5 ·
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5

Does an alternator obey Ohm's law?

  • torbor
  • · Replies 3 ·
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3

Build a Homemade Radio Receiver from Common Materials

  • ISamson
  • · Replies 11 ·
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11

Ampere's law to calculate the B field from a balanced three-phase system

  • OliskaP
  • · Replies 36 ·
2
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36

Is a Ring Crimp Terminal the Best Connection Tip for TCK Type K?

  • AligatorAmy
  • · Replies 2 ·
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2

DC link and rectifier model, Active current as function of voltage?

  • Liferider
  • · Replies 1 ·
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1

When does self-induction happen?

  • Steven555
  • · Replies 2 ·
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2

Max current densities in a conducting medium

  • Toodles
  • · Replies 10 ·
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10

How do I calculate the output current of an alternator

  • torbor
  • · Replies 3 ·
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3

How Can I Use a Photodiode to Detect LED Light for Spectroscopy?

  • Telemachus
  • · Replies 29 ·
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29

How Do Op Amps Respond to Inverting and Non-Inverting Inputs?

  • Guineafowl
  • · Replies 12 ·
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12

Why Do Railcars Use Inverters with Alternators?

  • john13
  • · Replies 3 ·
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3

Derive The Transfer Function from First Principles

  • optically challenged
  • · Replies 7 ·
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7

Using Nextion 4.3 touch screen with Arduino Uno for home automation

  • jacklii
  • · Replies 2 ·
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2

What is the rotational velocity of hard disk actuator arm?

  • rkatcosmos
  • · Replies 8 ·
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8

Why is the servo motor's red power wire unconnected in this circuit?

  • adamaero
  • · Replies 15 ·
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15

Van der Pauw sample preparation errors

  • Metallus
  • · Replies 3 ·
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3

Mini Electric Horse Fence, or Micro-Taser?

  • Blank_Stare
  • · Replies 41 ·
2
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41

What Could Be Causing the Malfunction in My Linear DC Power Supply?

  • Guineafowl
  • · Replies 17 ·
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17

Why do channels need guard bands if they don't overlap?

  • LLT71
  • · Replies 12 ·
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12

The Perry Report on USA Electric Power

  • anorlunda
  • · Replies 6 ·
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6

Complex Exponentials Signal processing

  • MikeSv
  • · Replies 3 ·
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3

Touch lamp circuit with TT6061 IC schematic

  • Guineafowl
  • · Replies 3 ·
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3

What's that diode in a solar panel for?

  • John1397
  • · Replies 4 ·
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4

Converting 120VAC to 60VDC for a salvaged LED light

  • jerromyjon
  • · Replies 2 ·
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2

What is the extra wire on a 420 kV transmission line?

  • Bavuka
  • · Replies 18 ·
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18

EMG detection circuit: what parameters and gains should each stage have?

  • gokul karat
  • · Replies 6 ·
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6

Energy conservation in a magnetron

  • Carl2017
  • · Replies 16 ·
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16

What actual frequency is my mobile phone service in the UK?

  • sophiecentaur
  • · Replies 14 ·
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14

Does a solenoid get warm with inductance?

  • BenTHS
  • · Replies 2 ·
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2

Tubular cartridge heater wattage

  • AligatorAmy
  • · Replies 18 ·
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18

Smoothing DC Output from Transformer

  • JaredJames
  • · Replies 15 ·
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15

Which RTD is better for noise-reduction: 100 ohm or 1k ohm?

  • AAO
  • · Replies 14 ·
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14

What is the best software for the analysis of chaos in electric circuits?

  • student-engineer
  • · Replies 11 ·
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11

Solar panel wires shorted togather

  • John1397
  • · Replies 6 ·
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6

Making a temperature controlled heating element

  • JoeSalerno
  • · Replies 20 ·
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20

Okay to twist thermocouple wires?

  • refind
  • · Replies 27 ·
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27

To make a small acoustic receiver

  • vavapg
  • · Replies 2 ·
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2

IRLB3034 MOSFET overheating with 5V PWM gate drive from microcontroller

  • Tesladude
  • · Replies 25 ·
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25

Meaning of cryptographic GPS signal

  • senmeis
  • · Replies 3 ·
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3

Purely Inductive Circuit -- Mathematical proof for current lag

  • CosmicC
  • · Replies 9 ·
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9

How to calculate motor HP at reduced VFD frequency for gearbox torque limits

  • SevenToFive
  • · Replies 7 ·
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7

Insights Why is Ohm's Law only applicable to a limited region?

  • anorlunda
  • · Replies 41 ·
2
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41

Virtual Ground Voltage Reference

  • teroenza
  • · Replies 6 ·
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6

What is the relation between inductance and reluctance?

  • Bavuka
  • · Replies 2 ·
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2

Can a Car Alternator Function as a Battery to Power a Motor?

  • Atomic80
  • · Replies 14 ·
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14

Understanding RF Power Measurement: Average vs. Composite Power

  • Eventide
  • · Replies 1 ·
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1

My Solenoid heated more than it should have

  • ryccoh
  • · Replies 16 ·
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16

Current flow in a two source circuit

  • xJJx
  • · Replies 13 ·
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13

How exactly does an armature spin in an electric motor?

  • Tabaristiio
  • · Replies 5 ·
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5

Do receivers only receive signals or do they emit EMF?

  • MarkWW
  • · Replies 50 ·
2
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50

What Factors Determine the Best Transistor Type for a 12VDC Project?

  • Rx7man
  • · Replies 21 ·
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21

Finding equivalent resistance when voltage drops differ across resistors

  • Evan T
  • · Replies 10 ·
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10

Nyquist theorem for FM modulation without dense time vectors

  • kostoglotov
  • · Replies 1 ·
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1

How Can I Identify Series and Parallel Components in a Circuit?

  • xJJx
  • · Replies 14 ·
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14

Questions about induction heating

  • Metallus
  • · Replies 5 ·
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5

Questions about friction losses in an electric motor

  • Tabaristiio
  • · Replies 5 ·
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5

How many turns to produce power on a spinning coil

  • Donglin
  • · Replies 8 ·
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8

Holiday project goals for undergrads with an FPGA?

  • kostoglotov
  • · Replies 4 ·
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4

How to choose automatic voltage levels from a battery

  • Nikhil N
  • · Replies 10 ·
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10

AC Mains Distribution energized from multiple AC voltage sources

  • arkaddas
  • · Replies 20 ·
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20

When building a crude full wave rectifier how to improve it?

  • tim9000
  • · Replies 20 ·
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20

RF hardware design primer for power electronics background

  • donpacino
  • · Replies 2 ·
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2

Where Can I Find Dale Resistors?

  • wolram
  • · Replies 10 ·
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10
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10

Electric field generation between anode and cathode

  • Hydro_t
  • · Replies 4 ·
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4

Gain setting on Optometer, what does it do?

  • nordmoon
  • · Replies 2 ·
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2

The flow of electrons in a photovoltaic p-n junction

  • engine16
  • · Replies 1 ·
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1

Why are TN-C systems not allowed for computer equipment?

  • Bavuka
  • · Replies 9 ·
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9