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 does a matched LPF have low impedance at high frequencies?

  • peripatein
  • · Replies 4 ·
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4

Alternator Vibration During Excitation

  • ashrafec
  • · Replies 2 ·
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2

Full wave controlled rectifier RL Load 90° Firing angle

  • Physicist3
  • · Replies 1 ·
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1

Can a Lock-in Amplifier Handle -30dB SNR?

  • SvetaP
  • · Replies 2 ·
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2

What is the purpose/function of negative and positive wiring

  • Niaboc67
  • · Replies 21 ·
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21

Fiber optic gyros for camera or gun stabilization: accuracy and cost?

  • Israr Hussain
  • · Replies 9 ·
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9

Why is convolution used to represent LTI output?

  • Nikitin
  • · Replies 7 ·
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7

Measuring Electric Fields w/Neon?

  • Clyde
  • · Replies 5 ·
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5

LM741CN circuit breadboard build verification

  • baller2353
  • · Replies 12 ·
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12

Separation of subatomic particles within a capacitor

  • Niaboc67
  • · Replies 7 ·
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7

Full wave rectifier with capacitor filter

  • Ahmed22
  • · Replies 10 ·
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10

Available Noise Power and Amplifiers

  • Runei
  • · Replies 1 ·
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1

Is Multiple batteries for efficiency the answer?

  • Jarfi
  • · Replies 13 ·
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13

What Is the Best Oscilloscope for Demonstrating Sound Waveforms?

  • txphy
  • · Replies 7 ·
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7
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7

Diode forward voltage in datasheet

  • Physicist3
  • · Replies 1 ·
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1

Why do PN and zener diode readings fluctuate with wired circuits?

  • ajaykrishna90
  • · Replies 4 ·
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4
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3
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4

Hooking Up Two Inverter Generators, Its Done, Just Wires?

  • Darp
  • · Replies 2 ·
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2

Why do DC motors not work on AC?

  • derek10
  • · Replies 10 ·
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10

How to select a replacement temperature controller

  • EEFinder
  • · Replies 8 ·
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8

Follow-up question about my understanding on rectification

  • nicy12
  • · Replies 4 ·
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4
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8

Why use star connection for generation and delta for distribution

  • ranju
  • · Replies 7 ·
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7

Quarter wavelength transmission line length calculation

  • hobbs125
  • · Replies 5 ·
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5

Body effect for NMOS transistor

  • Razvan
  • · Replies 11 ·
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11
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7

Why are voltage and frequency kept high in power grids?

  • ranju
  • · Replies 9 ·
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9
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5

RMS voltage and current in controlled bridge rectifier with RL load

  • Physicist3
  • · Replies 6 ·
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6

What assumption leads to dB/dt=0 in the lumped element model?

  • Ahmad Kishki
  • · Replies 8 ·
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8

How is sinusoidal current generated?

  • Kenny Bala
  • · Replies 6 ·
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6

Ultrasound NDT (non-destructive testing)

  • Rhap
  • · Replies 13 ·
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13

How to vary current at constant voltage?

  • iScience
  • · Replies 6 ·
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6

Permanent magnet repulsion force with weak electromagnet for valve actuation

  • Wurlitzer28
  • · Replies 3 ·
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3

Can a Stationary Alternator Generate Current Like a Transformer?

  • dhivakhar
  • · Replies 2 ·
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2

Full wave rectifier with RC Load

  • Physicist3
  • · Replies 1 ·
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1

Homemade speaker Q's: calculate at what freq for impedance?

  • BeautifulLight
  • · Replies 19 ·
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19

First-order crossover inductor sizing for dual voice coil speaker

  • BeautifulLight
  • · Replies 11 ·
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11

Applications of underdamped systems?

  • becs
  • · Replies 12 ·
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12

What Does Phase Mean in Three Phase Supply?

  • ranju
  • · Replies 4 ·
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4

Soldering a PIC microcontroller using reflow method

  • Garyabc
  • · Replies 7 ·
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7

Can Quantum Tunneling Composites Revolutionize Load Cell Technology?

  • FinanclEngr
  • · Replies 7 ·
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7

RPM Limit on Theoretical motor?

  • Warpspeed13
  • · Replies 17 ·
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17

Setting up a charged sphere simulation in Ansoft Maxwell

  • Costin Beiu
  • · Replies 3 ·
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3
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4

Identifying a vintage Cenco Scientific electrical device

  • logic3214
  • · Replies 16 ·
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16

How Can a Rotor Have a Single Magnetic Pole on Its Outer Face?

  • Salvador
  • · Replies 6 ·
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6

Opamp's stabilty in positive feedback

  • dushyanth
  • · Replies 4 ·
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4

BIBO Stable if and only if impulse response is summable

  • Bipolarity
  • · Replies 2 ·
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2

Reading capacitance markings on ceramic capacitors

  • AdkinsJr
  • · Replies 2 ·
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2
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1

Battery and a speaker in close proximity?

  • tetra
  • · Replies 2 ·
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2

How does Voice Recognition work?

  • btb4198
  • · Replies 1 ·
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1

Passing High Voltage/Amperage Through Tri-State Buffer (car LED project)

  • Hebrew Hammer
  • · Replies 18 ·
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18

Viable Railgun Setup? (ping pong balls)

  • WorldWiz
  • · Replies 10 ·
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10

Can I hardwire 12v light to my 110v house wires?

  • greggo
  • · Replies 5 ·
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5

How Can I Safely Control an Electromagnet with a Microcontroller?

  • 1rel
  • · Replies 7 ·
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7

Can transformers alter the resistance of wires in a circuit?

  • ak33m98
  • · Replies 3 ·
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3

Physical realization of a system

  • Tusike
  • · Replies 12 ·
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12

Getting electrical shocks from water taps after geyser installation

  • Srijith
  • · Replies 4 ·
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4
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3

Circuit to detect conductive coating.

  • Nithin Reddy
  • · Replies 2 ·
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2

Find Natural Response of RLC Circuit: No Forcing Voltage?

  • <sHoRtFuSe>
  • · Replies 1 ·
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1

Number of bits per pulse width in buffers and delay lines (optical)

  • shpongle
  • · Replies 2 ·
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2
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2

Solar simulator design with Luxeon S LEDs for 1 Sun intensity

  • jefinjo
  • · Replies 5 ·
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5

Understanding Diode Barrier Potential and Its Role in PN Junction Diodes

  • Physicist3
  • · Replies 2 ·
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2

Will a high current (3.1A) destroy smartphone battery?

  • Psinter
  • · Replies 6 ·
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6

Using one DC signal to switch two transistors oppositely

  • Daniel Baggett
  • · Replies 7 ·
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7

What Wattage Rating Is Needed for a 33Ohm Resistor in a 9V, 1A Circuit?

  • HeyAwesomePeopl
  • · Replies 78 ·
3
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78

Difference between centroid and break away/in point

  • spoonyluv
  • · Replies 1 ·
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1

Stepping down 12vac to 9vac for colloidal silver electrodes

  • Anthonytsi
  • · Replies 24 ·
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24

Distance relay - impedance characteristic question

  • nettub
  • · Replies 5 ·
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5

Filtering Audio Voltages <4VPK with IC/Circuitry

  • Rmac
  • · Replies 2 ·
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2

Power factor correction motor capacitor sizing calculation

  • Kasim
  • · Replies 7 ·
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7

What will happen if I throw a normal battery in water?

  • jaus tail
  • · Replies 13 ·
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13

What Gauge Wire for Remote Camera Flash?

  • Bkontio
  • · Replies 5 ·
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5

Variable AC (0 to 240) source how to take fixed DC (110 or 220)

  • rajeshputta
  • · Replies 9 ·
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9

Load locations for 3-phase motors in star, delta, and star-delta configurations

  • rajeshputta
  • · Replies 1 ·
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1

Magnetic Field using Ampere's Law

  • Hijaz Aslam
  • · Replies 4 ·
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4

Understanding Three Phase Circuits: Direction of Arrows

  • ranju
  • · Replies 2 ·
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2

Can someone explain convolution to me?

  • jack476
  • · Replies 4 ·
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4

How is the bandwidth equation BW=fr/Q derived?

  • merlyn
  • · Replies 4 ·
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4

HV psu design and assorted questions

  • NwcNlgUfh2
  • · Replies 19 ·
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19

Why does transformer frequency depend on relative motion between coils?

  • ranju
  • · Replies 10 ·
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10

Dielectric loss angle bridge circuit

  • tim9000
  • · Replies 8 ·
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8

Maxwell3D-Howto simmulate 2AC electrodes putting into a pool

  • lotusquantum
  • · Replies 2 ·
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2

How hot might this 3 amp transformer get?

  • stargazer193857
  • · Replies 10 ·
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10

Why did the fuse blow when a DC supply was connected to a transformer?

  • dhivakhar
  • · Replies 6 ·
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6

Book suggestions for communication systems?

  • I_am_learning
  • · Replies 4 ·
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4

What would happen if you let a full battery charge an empty

  • stargazer193857
  • · Replies 3 ·
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3

Does battery life decrease as current increases?

  • pulchritude
  • · Replies 14 ·
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14

Generating Random High/Low Sounds Using PIC Controller?

  • Pr0t0n
  • · Replies 4 ·
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4

Testing and Troubleshooting Capacitive Sensor Probes

  • daniel1211
  • · Replies 7 ·
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7

Current flow into a charging battery?

  • stargazer193857
  • · Replies 18 ·
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18

What is the voltage range of a Li-NMC battery?

  • stargazer193857
  • · Replies 5 ·
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5

Piezoelectricity from wind on cars

  • rasen58
  • · Replies 11 ·
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11

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

  • PhiowPhi
  • · Replies 18 ·
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18