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

What Is the Permittivity of Al2O3 Over 95% Polished?

  • HPRF
  • · Replies 1 ·
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1

Understanding Transistor IC-Vce Graphs

  • reonem
  • · Replies 16 ·
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16

Semiconductor Diodes: Calculating Rf and Why VD=0

  • Ghassan99
  • · Replies 2 ·
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2
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4

Electromagnet: How to build the right one?

  • deanEdinburgh
  • · Replies 8 ·
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8

How important is Programming in EEE

  • Succes
  • · Replies 16 ·
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16

Voltage gradient across parallel capacitors at high frequency

  • ^zilla^
  • · Replies 7 ·
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7

555 Voltage Controlled Oscillator 1v/octave

  • Siike92
  • · Replies 8 ·
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8

Nichrome wire coil for 1000W heater on 12V camper van system

  • voxvox
  • · Replies 1 ·
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1

Homebuilt electric car Battery conundrum.

  • conaman551
  • · Replies 1 ·
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1

Why are wires made of many thin threads?

  • Pharrahnox
  • · Replies 14 ·
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14

Solving circuit using Laplace Transforms

  • perplexabot
  • · Replies 5 ·
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5

How Does Phase Shift Affect Resonant Frequency in PEC Cylinders?

  • fereshteh
  • · Replies 6 ·
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6

AC/DC Switch Ratings for Motor Control: Which Rating to Use?

  • mdjensen22
  • · Replies 4 ·
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4

Why is W=0 not included in the excitation table for counters?

  • Sinister
  • · Replies 2 ·
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2

What is the magnetic effect on an electric current.

  • MrSponge
  • · Replies 9 ·
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9

RC discharge into an LR circuit

  • tml10
  • · Replies 1 ·
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1

Confusion about vertical polarization and horizontal polarization

  • Robismyname
  • · Replies 10 ·
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10

A difference amplifier question

  • perplexabot
  • · Replies 2 ·
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2

Half-power frequencies in series RLC circuit give negative values

  • perplexabot
  • · Replies 5 ·
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5

Fading In/Out LEDs with Mic and Amplifier

  • Ikigai
  • · Replies 2 ·
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2

Generator VAr Import and Reverse Power

  • Twinflower
  • · Replies 11 ·
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11

How do you derate PFC capacitors for 50Hz wind turbine conversion?

  • Hektor
  • · Replies 4 ·
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4

National Instruments MultiSim, or something else?

  • OJFord
  • · Replies 1 ·
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1

How Can Ethernet Support Both Internet and Printing Requests?

  • Newtons Apple
  • · Replies 4 ·
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4

Parallel Resonant circuit with L with series R

  • jrive
  • · Replies 6 ·
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6

Capacitors for power utilities and electric apparatus

  • wzheng1837
  • · Replies 1 ·
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1
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5

Trouble Shooting Blown Sub Woofer in a Car

  • zakstr
  • · Replies 26 ·
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26

Isolating harmonics with band-pass filter

  • Fischer777
  • · Replies 1 ·
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1

Where Do I Start with a Microcontroller Project?

  • hobbs125
  • · Replies 4 ·
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4

Can stacking neodymium magnets increase alternator output?

  • DreamChaser77
  • · Replies 19 ·
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19

What Determines the Charge Needed for a Spark Between Two Objects?

  • error404
  • · Replies 4 ·
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4

Trying to increase the magnetic flux density

  • Irish_
  • · Replies 8 ·
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8

Total Current Draw Of LED And Resistor Combined

  • John1397
  • · Replies 22 ·
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22

How do I model an axial flux permanent magnet generator in Maxwell?

  • johnbrown11
  • · Replies 12 ·
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12

How does a d'Arsonval meter work?

  • Ghassan99
  • · Replies 1 ·
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1

Understanding Resistor Volt Drops

  • berenmacbowma
  • · Replies 6 ·
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6

Determine the amount of porcelain insulation

  • Ron_04
  • · Replies 8 ·
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8

A Question Regarding Internet Signal Connection

  • Newtons Apple
  • · Replies 2 ·
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2

Formula SAE car gear indictator

  • jcpwn3r
  • · Replies 4 ·
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4

Understanding Charger Circuits and Diode Voltage Drop

  • ramonegumpert
  • · Replies 8 ·
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8

Rate of Charging Li-Ion Battery to 4.2V

  • ramonegumpert
  • · Replies 2 ·
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2

Transformer with 1:16 turns ratio only outputs 40V on secondary

  • hobbs125
  • · Replies 5 ·
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5

Can Biological Systems Mimic Semiconductor Functions?

  • GNRtau
  • · Replies 5 ·
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5

What is the suitable motor can be used ?

  • manal950
  • · Replies 4 ·
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4

What Are Typical Impedance Values for Power Plant Transformers?

  • Idea04
  • · Replies 2 ·
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2

Measuring water level in tank.?

  • dk99
  • · Replies 14 ·
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14

Samson A6 Resolv fuse ratings for 240VAC operation in UK

  • Tenshao1
  • · Replies 9 ·
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9

Nyquist sampling rate and signal anti-aliasing

  • Gedelian
  • · Replies 8 ·
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8
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1

Voltage Regulator, Battery resistance, current

  • ramonegumpert
  • · Replies 4 ·
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4

Eneloop batteries unable to charge phone?

  • ramonegumpert
  • · Replies 11 ·
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11

What Component Can Boost a Low Voltage Signal from a Computer Fan?

  • goobley
  • · Replies 6 ·
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6

Why is NGSPICE giving me wrong results for my inverter simulation?

  • Kholdstare
  • · Replies 4 ·
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4

How do IC chips affect circuit analysis?

  • Siike92
  • · Replies 2 ·
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2

What are the symbols in these electric motor equations?

  • CraigH
  • · Replies 4 ·
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4

Can a laser measure reflective material vibration for 100kHz microphone?

  • Raven Luni
  • · Replies 3 ·
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3

Which terminals to earth when megger testing transformers?

  • Ron_04
  • · Replies 6 ·
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6

Laser cutting device to cut paper of few mm from a red laser pointer

  • sentil
  • · Replies 12 ·
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12

Positive/Negative/Zero Sequence voltages/currents

  • jegues
  • · Replies 4 ·
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4

Which areas of EE do you think will grow the fastest over the next 5-10 years

  • astonmartin
  • · Replies 5 ·
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5

How to get the frequency of microwave oven

  • CheyenneXia
  • · Replies 13 ·
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13

Blocking terrestrial interference possible or not?

  • supernova1387
  • · Replies 1 ·
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1

Resonance of antennas (rods, spheres etc)

  • wallowood
  • · Replies 12 ·
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12

What do the labels on electrical components mean?

  • deadrxn24
  • · Replies 1 ·
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1

Circuit Explanation: Op Amp Diode Logic

  • DailyDose
  • · Replies 4 ·
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4

Apparent inductance vs. incremental inductance

  • CheyenneXia
  • · Replies 5 ·
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5

Why are the resistors in parallel?

  • M. next
  • · Replies 23 ·
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23

How can you make radio waves?

  • antiquark
  • · Replies 11 ·
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11

Making a Homemade Laser Question

  • Curious_Dude
  • · Replies 10 ·
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10
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4

Signal generator for 1kHz frequencies at 10A output

  • strokebow
  • · Replies 2 ·
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2

Anybody know of a 100mV Schottky diode or similar device?

  • berkeman
  • · Replies 5 ·
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5

Electrical Circuits 1 and Electrical Circuits 2

  • ME_student
  • · Replies 8 ·
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8
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2
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1

How Can I Reverse the Rotation of Different Types of Motors?

  • Mateen-ud-din
  • · Replies 5 ·
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5

Simple electric energy detectice device for home

  • L.Mohd
  • · Replies 5 ·
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5

Measuring Current Noise Density

  • undergradphys
  • · Replies 6 ·
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6

Finding the right electrical connector.

  • Thqr
  • · Replies 1 ·
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1

Touch/Motion Sensor Capabilities

  • Sjuan
  • · Replies 4 ·
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4
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5

EM wave at a plane dielectric boundary

  • erece
  • · Replies 1 ·
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1

Difference between analog and digital interface

  • rama1001
  • · Replies 4 ·
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4

Why does counter EMF push electrons outward in skin effect?

  • CheyenneXia
  • · Replies 7 ·
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7

Is resolution strictly defined in volts?

  • Femme_physics
  • · Replies 19 ·
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19

Max Voltage Possible for 30 Minutes Through Magnets?

  • Andrew042
  • · Replies 2 ·
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2

What are the Best Books for Studying Signals and Systems?

  • Log
  • · Replies 1 ·
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1

Tube amp power supply question

  • Alphablok
  • · Replies 15 ·
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15
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42

Newb Questions - One lead outputs from schematics?

  • Siike92
  • · Replies 4 ·
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4

Understanding Peak Inverse Voltage (PIV): Why Is It Important?

  • queenstudy
  • · Replies 5 ·
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5

Seniority of Wattage vs. Amperage

  • mearvk
  • · Replies 11 ·
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11

NOOB QUESTION: What kind of resistor do I need?

  • MikieCGY
  • · Replies 4 ·
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4

555 timer stops working after adding LEDs to both output positions

  • ColonelPanic
  • · Replies 5 ·
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5

How long will a 45 amp car battery run an 8 amp load?

  • MountainDew
  • · Replies 48 ·
2
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48

Good textbook on electrical engineering?

  • Bipolarity
  • · Replies 4 ·
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4

Information about current transformer

  • Ron_04
  • · Replies 4 ·
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4

How many earthing rods or plate electrodes do you need, and how far apart?

  • dhairyashil_2
  • · Replies 1 ·
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1