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

Charging 18650 Batteries for Safe Setup and Usage

  • Biycchu
  • · Replies 13 ·
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13

Could you check this Li-ion charging circuit?

  • emtae55
  • · Replies 20 ·
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20

Help Identifying a Component (TO-220)

  • teroenza
  • · Replies 5 ·
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5

Accounting for mutual inductance in a Hartley Oscillator

  • cianfa72
  • · Replies 10 ·
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10

Trouble working with LC circuits

  • johnboyman
  • · Replies 6 ·
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6

How to get maximal power output from solar panels in reality

  • Mayan Fung
  • · Replies 11 ·
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11

What Causes the Audio and Video to be Out of Sync on MSNBC Programs?

  • Buzz Bloom
  • · Replies 16 ·
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16

Capacitive soil moisture sensor using TLC555

  • akaliuseheal
  • · Replies 14 ·
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14

Understanding the base emitter voltage in a common emitter NPN BJT

  • JC2000
  • · Replies 16 ·
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16

Are integrated CTs any different from CTs in clamp meters?

  • HomeExperiement
  • · Replies 23 ·
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23

Why Might a Halbach Array Simulation Differ from Actual Measurements?

  • StudentonaOdyssey
  • · Replies 8 ·
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8

What percentage of heat is generated from LED lighting?

  • Howlin
  • · Replies 5 ·
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5

Another angle of "Why do you need a line 2 on a circuit?"

  • timmeister37
  • · Replies 27 ·
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27

Noninverting op amp doesn't work on a highly resistive load

  • mlamont1
  • · Replies 31 ·
2
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31

Difference in these two concepts of Magnetic Torque

  • Physicslearner500039
  • · Replies 4 ·
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4

Force on a current carrying conductor

  • Physicslearner500039
  • · Replies 6 ·
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6

Arcing in electrical relay contacts due to different types of loads

  • srinaath
  • · Replies 11 ·
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11

How can I safely energize a suspect alternator

  • Grinkle
  • · Replies 16 ·
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16

Couple Questions about this Resistor Datasheet

  • Abdullah Almosalami
  • · Replies 4 ·
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4

Electrical conduction through air

  • mdaugird
  • · Replies 26 ·
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26

Need help for project plans (Solar and Wind Generator)

  • SeaDawg
  • · Replies 4 ·
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4

Engineering Limits Challenged: Metering Device Project

  • Rx7man
  • · Replies 49 ·
2
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49

Where is the demodulator in this AM receiver?

  • Boltzman Oscillation
  • · Replies 12 ·
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12

Relation between electric motor and battery current, peak etc.

  • Jon Zimmer
  • · Replies 3 ·
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3

Using a low voltage supply in a class B amplifier

  • brainbaby
  • · Replies 25 ·
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25

What approach should be used when solving a circuit?

  • Boltzman Oscillation
  • · Replies 56 ·
2
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56

What is the significance of using U/2I in four point probe theory?

  • ScieneShines
  • · Replies 4 ·
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4

Voltage Substractor simple circuit

  • Helena Wells
  • · Replies 31 ·
2
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31

12V Tractor Battery supply: Losing Power Supply

  • gumby4231
  • · Replies 7 ·
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7

Fundamentals of the PN Junction

  • TJonline
  • · Replies 12 ·
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12

Diffusion current and carrier concentration equilibrium (unbiased)

  • halleff
  • · Replies 1 ·
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1

How Can I Get Help with a Comsol Simulation for Nanoparticles?

  • Abrar
  • · Replies 8 ·
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8

Good LED bulb will not work in a socket

  • ILoveDeoxit
  • · Replies 21 ·
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21

How to determine UV lamp dosage values of 10-20 mJ/cm2

  • Secan
  • · Replies 5 ·
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5

Buck Converter with USB-C output

  • gumby4231
  • · Replies 2 ·
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2

Help designing an electrical circuit for camper van

  • earthandgnar
  • · Replies 5 ·
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5

Encasing an electronic prototype

  • gumby4231
  • · Replies 8 ·
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8

A different angle of Why do you need a line 2 on an AC circuit?

  • timmeister37
  • · Replies 13 ·
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13

Wireless routers vs. microwave ovens

  • kevinisfrom
  • · Replies 72 ·
3
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72

Problems figuring out this inductance formula

  • johnboyman
  • · Replies 7 ·
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7

Function of this piece in a loudspeaker?

  • NTL2009
  • · Replies 13 ·
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13

Building a three phase motor -- figuring out how many poles

  • johnboyman
  • · Replies 22 ·
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22

Not able to get the desired output frequency using a Wein Bridge Oscillator

  • handyman123
  • · Replies 24 ·
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24

Can Superconducting Cables Overcome AC Transmission Distance Limits?

  • kevinisfrom
  • · Replies 2 ·
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2

Dr. Middlebrook's "Technical Therapy For Analog Circuit Designers"

  • Joseph M. Zias
  • · Replies 4 ·
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4

Alternator Field Winding Question

  • doubledipsoon
  • · Replies 3 ·
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3

Understanding 5G Beamforming Using Phased Arrays

  • kevinisfrom
  • · Replies 5 ·
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5

Rewiring of a stator - The math behind it

  • Luchekv
  • · Replies 1 ·
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1

The RPM of Dyson DC04 vacuum motor and more....

  • royp
  • · Replies 6 ·
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6

Rotating waveguide antenna (rotating marine radar)

  • artis
  • · Replies 34 ·
2
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34

The REAL difference between a Galvanometer and an Ammeter

  • jaumzaum
  • · Replies 6 ·
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6
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26

RLC-circuits where phasor diagrams don't work

  • Lars278
  • · Replies 6 ·
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6

Ladder-like bandpass filter theoretical analysis problem

  • room_
  • · Replies 20 ·
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20

The Lorentz Force Law Can be Completely Inaccurate

  • Keasy
  • · Replies 1 ·
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1

Need to use a rectifier.... but where to put it?

  • HelloCthulhu
  • · Replies 7 ·
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7

What Could Be Causing My 3 Phase Motor to Lack Power and Torque?

  • Rx7man
  • · Replies 23 ·
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23

How does electron speed affect electric power?

  • Aakash Sunkari
  • · Replies 11 ·
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11

Connecting Two 30x10mm2 Earth Busbars: Min. Conductor Cross Section

  • Ivan001
  • · Replies 2 ·
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2

DIY Continuity Tester: Increase Sensitivity | Matt

  • mattyboson12
  • · Replies 1 ·
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1

Physical/conceptual reason for inductor voltage step response

  • halleff
  • · Replies 4 ·
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4

Specific Absorption Rate(SAR) - caused from radio frequency from mobile phones

  • Aeronautic Freek
  • · Replies 11 ·
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11

What does this DC motor supply do?

  • sophiecentaur
  • · Replies 9 ·
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9

The important non-fundamental electrical components?

  • Boltzman Oscillation
  • · Replies 13 ·
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13

Long Distance Wireless Power Transmission

  • WonderfulWorld
  • · Replies 8 ·
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8

Are ISFETS available for cheap or am I out of luck

  • Boltzman Oscillation
  • · Replies 7 ·
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7

Signal classification and processing for a gesture sensor module

  • Lord Crc
  • · Replies 7 ·
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7

How to estimate the measurement uncertainty of an oscilloscope ?

  • nordmoon
  • · Replies 6 ·
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6

GridTie Synchronous Generation Project Using Carbon Neutral Flare Gas

  • looking
  • · Replies 9 ·
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9

Is a 1 Ohm reading normal for a cold 12 volt thermistor?

  • Kriis
  • · Replies 14 ·
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14

Transformer Coupled Class A amplifier Single supply

  • paulmdrdo
  • · Replies 3 ·
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3

Building a DIY multimeter for my school project

  • Projecthelp243454
  • · Replies 9 ·
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9

Effect of doping concentration on the depletion width of p-n junction diodes

  • Ahsan Khan
  • · Replies 11 ·
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11

Designing a DC Motor Torsional Spring Circuit with Arduino Uno

  • HadenWilly
  • · Replies 12 ·
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12

DC generator: Induced EMF of a single coil armature

  • kidsasd987
  • · Replies 3 ·
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3

How Are Materials for Infrared Sensors Selected and Developed?

  • Science Man
  • · Replies 1 ·
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1

Building RF Noise Generator Circuit w/ LM324D SMD Op Amp

  • hilbert2
  • · Replies 12 ·
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12

Homemade solenoids and professional solenoids

  • paradisePhysicist
  • · Replies 15 ·
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15

Which Circuit Breaker Switch to Turn?

  • kyphysics
  • · Replies 6 ·
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6

How does regenerative braking vary the load?

  • noagname
  • · Replies 11 ·
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11

Safe to charge a Lithium Battery with a Voltage Limit?

  • NTL2009
  • · Replies 2 ·
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2

What is the metallic circular component in this voltage sensor?

  • Wrichik Basu
  • · Replies 7 ·
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7

Build Your Own AC Generator: How to Create 2V for an LED

  • papercace
  • · Replies 10 ·
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10

Question about electrical networks

  • neverevernever
  • · Replies 11 ·
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11

Why Not Stack Busbars?

  • Ivan001
  • · Replies 13 ·
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13
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15

Pass current to "burn" stray vias?

  • f95toli
  • · Replies 14 ·
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14

I need a controller for this 25kW DC Brushless Motor

  • kolleamm
  • · Replies 6 ·
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6

What is the meaning of "Long time maximum output current ≥ 1.5 A"?

  • Wrichik Basu
  • · Replies 5 ·
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5

Transformer without separate primary and secondary windings....

  • Wrichik Basu
  • · Replies 14 ·
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14

Concentric coils for power generation

  • samstergurl
  • · Replies 3 ·
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3

DC Motor "TACHO ERROR": Solutions & Causes

  • Gokulkumar
  • · Replies 3 ·
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3

Why this Simple Watt Meter for a 220 Volt Circuit works?

  • henriquevpp
  • · Replies 4 ·
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4

Why can't a 2 pole ac induction motor run a 6 pole induction generator

  • Elijah Castiel
  • · Replies 4 ·
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4

DIY wideband antenna VSWR - beginner

  • flowwolf
  • · Replies 8 ·
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8

Need help with a parallel inductance calculation for this transformer

  • electricalguy
  • · Replies 2 ·
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2

EMF below Power Transmission Lines

  • FFjhh
  • · Replies 2 ·
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2

Home experiment - 'seeing' magnetic lines of force?

  • LentilSoup7
  • · Replies 6 ·
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6

KCL got declined in Norton circuit of an ideal amplifier circuit

  • Bardia Sahami
  • · Replies 12 ·
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12

Bare Metal Programming for Beginners

  • Tone L
  • · Replies 10 ·
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10