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

Is Motional EMF Induced Only When Entering or Exiting a Magnetic Field?

  • PhiowPhi
  • · Replies 18 ·
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18

Does a capacitor have to have a dielectric?

  • stargazer193857
  • · Replies 8 ·
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8

Is capacitor capacity linear with voltage?

  • stargazer193857
  • · Replies 8 ·
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8

Can op amps replace transistors in circuits?

  • Omega Supreme
  • · Replies 15 ·
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15

Open circuit short circuit (test) TX flux effect

  • tim9000
  • · Replies 15 ·
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15

Are all discrete sinusoids distinct?

  • Ahmad Kishki
  • · Replies 25 ·
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25

Why Do Transformers Operate Better at High Power Factor?

  • ranju
  • · Replies 7 ·
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7

Discrete Fourier Series question

  • Ahmad Kishki
  • · Replies 1 ·
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1

Working around with Electric Circuitry.

  • Hijaz Aslam
  • · Replies 1 ·
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1

How to think digital electronics?

  • Giant
  • · Replies 20 ·
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20

How do MW capacity, kV transmission lines, and HVDC relate to each other?

  • nz_caleb
  • · Replies 12 ·
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12

40-Gauge wire current capacity?

  • PhiowPhi
  • · Replies 9 ·
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9

What are the requirements for a switched reluctance motor?

  • Kasim
  • · Replies 3 ·
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3

Voltage follower bias current (opamp)

  • bour1992
  • · Replies 18 ·
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18

Low voltage switching of a pump, on a countdown

  • AztecDIY
  • · Replies 2 ·
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2

Charger works with engine off in big rig but not in car

  • bluemoonKY
  • · Replies 7 ·
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7

How does a current source work in Norton's Therom

  • dushyanth
  • · Replies 4 ·
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4

Does Resonating an Inductor at Its Physical Frequency Improve Efficiency?

  • dlbeeson
  • · Replies 14 ·
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14

Using magnetic amplifiers as variable resistors for current control

  • tim9000
  • · Replies 7 ·
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7

Infinite wavelength resonant antennas

  • Stanley514
  • · Replies 2 ·
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2

Can I use a 230V transformer with UK mains at 240V?

  • Kerso1991
  • · Replies 7 ·
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7

Possible to turn Android phone into Wii style remote?

  • Nietzsche_Keen
  • · Replies 2 ·
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2

Coilgun with car audio capacitors

  • Pyi Shan
  • · Replies 3 ·
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3

Can You Build a 3D Pin-Screen with Electrical Feedback?

  • _Bd_
  • · Replies 2 ·
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2

What is the purpose of 2-phase and 3-phase power supplies?

  • ranju
  • · Replies 5 ·
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5

Why is F(X, Y) simplified to XY' + XY instead of X'Y' + X'Y + XY' + XY?

  • desmond iking
  • · Replies 9 ·
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9

Multiplying complex impedance and current for a transformer

  • yuenkf
  • · Replies 2 ·
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2

Diode Polarity: Anode, Cathode, Forward Bias

  • Usama Khurram
  • · Replies 4 ·
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4

Homemade diesel-electric platform truck

  • Honey Badger
  • · Replies 4 ·
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4

Questions about piezoelectricity

  • FTM1000
  • · Replies 4 ·
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4

Connect ammeter before or after the load?

  • Usama Khurram
  • · Replies 1 ·
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1

Can a Flip Phone Be Converted into a Portable Battery Pack?

  • requiem31
  • · Replies 1 ·
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1

Designing Inductor, need you worry about saturation?

  • tim9000
  • · Replies 28 ·
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28

Can Three Inductors in a Circuit Act Like a Capacitor?

  • tim9000
  • · Replies 16 ·
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16

Why Is My MATLAB Steady State Error Different from Manual Calculation?

  • dontigeh
  • · Replies 7 ·
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7
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2

Minterms and maxterms of boolean's expression

  • desmond iking
  • · Replies 1 ·
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1

Logic Gates (NAND to AND Gates)

  • desmond iking
  • · Replies 3 ·
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3

Adding a known load to a DC motor

  • awaiting
  • · Replies 9 ·
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9

Impedance matching and Smith diagram.

  • peripatein
  • · Replies 8 ·
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8

Which Fuse Will Blow First in a Simple Series Circuit?

  • Scott Pratz
  • · Replies 6 ·
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6

Powering a 250 VDC Motor with 390 VDC – Questions?

  • EEFinder
  • · Replies 7 ·
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7

How does inductance value affect output voltage ripple?

  • Kasim
  • · Replies 6 ·
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6

Delta Transformers on Wye Distribution System

  • Josh111
  • · Replies 6 ·
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6

Where does energy go when beam steering exceeds element pattern limits

  • Jefferson86
  • · Replies 27 ·
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27

Time constant of inductors in machines

  • ranju
  • · Replies 17 ·
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17

Keeping a count of user button pushes --

  • thisguy928
  • · Replies 2 ·
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2

Thermocouple Applications to generate current to run a very small led ?

  • aiswarya reddy
  • · Replies 5 ·
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5

Can Inductance Proximity Sensors Detect Magnets Encased in Metal?

  • sensor
  • · Replies 3 ·
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3

Induced current of this conductor?

  • PhiowPhi
  • · Replies 20 ·
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20

Is Ohm's Law applicable for only DC or for both?

  • Usama Khurram
  • · Replies 2 ·
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2

Inductor color coding: 68 mH label vs violet gray brown silver bands

  • iScience
  • · Replies 13 ·
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13

What Does Audible Mean in the USDOC Radio Frequency Allocation Table?

  • Good4you
  • · Replies 3 ·
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3

Bicycle Generator to power El Wire

  • newbie_man
  • · Replies 9 ·
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9

Can you use an AC ammeter on a DC breaker?

  • EEFinder
  • · Replies 7 ·
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7

Overhead electrical lines and vehicles

  • Ryder S
  • · Replies 15 ·
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15

LED flicker from utility frequency

  • A.T.
  • · Replies 9 ·
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9

Response time of a magnetic circuit and its elements

  • Jet Boer
  • · Replies 16 ·
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16

Design a Voltage Feedback Loop w/ PID Controller

  • Kasim
  • · Replies 7 ·
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7

Question based on folllowing diagram (TDA audio amp):

  • katuan
  • · Replies 13 ·
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13

Isolation transformer questions

  • NwcNlgUfh2
  • · Replies 1 ·
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1
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4

Which Method to Use for Calculating Induced EMF: Flux Rule or Lorentz Force?

  • Ahmad Kishki
  • · Replies 3 ·
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3

Free 3D software for calculating force of electromagnet?

  • Oleg Serov
  • · Replies 1 ·
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1
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4

Gauss Law of Cube in non-uniform linear Electric Field.

  • Hijaz Aslam
  • · Replies 5 ·
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5

Li-ion Discharge Rates: Answers to DIY Battery Jump Starter Questions

  • gideon0223
  • · Replies 3 ·
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3

Why does (e^{j ω})^{-2} equal e^{-2ω} not e^{-2j ω}?

  • tempneff
  • · Replies 1 ·
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1

Car paint blocking signal to my drone's antenna

  • lonesoac0
  • · Replies 3 ·
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3

Electrical Consumption of Machine

  • Berk
  • · Replies 22 ·
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22
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9

Where does electricity go after ground?

  • jeff davis
  • · Replies 18 ·
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18

Would a guitar tuner work on a human voice ?

  • btb4198
  • · Replies 4 ·
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4

Why is resistor power maximum in parallel with same value?

  • Tuppe
  • · Replies 7 ·
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7

Squirrel cage induction motors - rotor issues

  • Willr90
  • · Replies 6 ·
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6

Design a New Power Plug to Reduce Copper Consumption

  • JLXY
  • · Replies 11 ·
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11

Connecting dc generators in series

  • Amine Bouabidi
  • · Replies 14 ·
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14

Control Theorem: Gains for PD Controller of Acceleration

  • G Man
  • · Replies 2 ·
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2

Wireless window opener component selection

  • GiTS
  • · Replies 7 ·
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7

Kalman filter - help me to set up a state equation

  • 9988776655
  • · Replies 2 ·
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2

Why does an RC filter dissipate more power than an RL filter?

  • iScience
  • · Replies 6 ·
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6

How can I connect a PIC 18f4520 micro-controller to Wi-Fi for home automation?

  • chandramauli
  • · Replies 1 ·
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1

Component Reliability: 9V Battery, LM334Z, 33ohm Resistor

  • Psyop
  • · Replies 4 ·
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4

How to change the harmonics of a sinwave

  • btb4198
  • · Replies 42 ·
2
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42

Calculation of the battery pack voltage for an EV

  • marellasunny
  • · Replies 2 ·
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2

Ground return used for early telegraph?

  • NTW
  • · Replies 25 ·
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25

Can Different Electrodes Affect Air's Dielectric Strength Values?

  • Physicist3
  • · Replies 3 ·
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3

Why are current and voltage inversely proportional in power conservation?

  • iScience
  • · Replies 9 ·
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9
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1

Solving Unknown Circuit Setups with a 9v Battery

  • j713m546
  • · Replies 3 ·
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3

LittleBits - magnetic circuit board

  • MarneMath
  • · Replies 1 ·
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1

Replaceable alternator rotor windings

  • bjp1958
  • · Replies 2 ·
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2

Measuring the current in an electrosurgical unit

  • nateg
  • · Replies 6 ·
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6

Have 12v AC, converted to 12v DC, motor slow

  • Mikel_NY
  • · Replies 68 ·
3
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68

Discharging problem of a turn-off snubber circuit

  • yykcw
  • · Replies 2 ·
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2

Finding wavelength and intensity of a specific light

  • johnny1985
  • · Replies 22 ·
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22

How can I represent this circuit in state space?

  • Emmanouel
  • · Replies 2 ·
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2

Grid tie inverter distorting waveform

  • oz93666
  • · Replies 3 ·
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3

Why do we need two wires for electricity?

  • SourcewareInfo
  • · Replies 8 ·
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8

Doppler effect in modulated signals

  • Eric C
  • · Replies 6 ·
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6