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 are AM and FM radio assigned to specific frequency bands?

  • onion3000
  • · Replies 11 ·
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11

How do arc furnaces sustain themselves without significant resistance?

  • Upsilon
  • · Replies 12 ·
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12

Understanding Snubber Circuit Types for Capacitor

  • billy fok
  • · Replies 44 ·
2
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44

Putting objects on capacitive touchscreens

  • PorridgeBear
  • · Replies 1 ·
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1

What is D.F and How to Calculate It for Transformer Load?

  • JUJU_100
  • · Replies 7 ·
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7

Semiconductor intrinsic Fermi Level? Bandgap Energy?

  • kidsasd987
  • · Replies 1 ·
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1

Where is the Operational Fox HAM Satellite Located?

  • houlahound
  • · Replies 6 ·
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6

Old Geiger counter producing steady tone and maxed readings

  • mishima
  • · Replies 12 ·
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12

Why is 75 Ω cable commonly used for cable TV instead of 50 Ω?

  • Bernie G
  • · Replies 13 ·
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13

Should I connect all the grounds together in my optocoupler circuit?

  • awaiting
  • · Replies 8 ·
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8

What is the best software for signal acquisition and processing

  • Diogo M
  • · Replies 3 ·
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3

Regulating output voltage with resistors

  • Steven Ellet
  • · Replies 18 ·
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18

Question regarding Ferranti effect

  • jaus tail
  • · Replies 4 ·
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4

Problems building a 1 bit / 2 to 1 Multiplexer

  • Avencherus
  • · Replies 18 ·
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18

Amp hours pulled from a 12V battery?

  • tina-duncan
  • · Replies 10 ·
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10

How does a rotary phase converter produce 120° separated phases?

  • JTraik
  • · Replies 11 ·
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11

Wanting to run the following motor using a 12V (car battery)

  • Green Trades
  • · Replies 7 ·
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7

Coefficient of resistance formula

  • Weightofananvil
  • · Replies 9 ·
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9

What is the relationship between instantaneous power and reactive power?

  • Passionate Eng
  • · Replies 21 ·
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21

Building a PNP Cascode: A Design Exploration

  • STEMucator
  • · Replies 4 ·
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4

Inductor behavior connected directly to DC (no resistor)?

  • ME77
  • · Replies 5 ·
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5

Good scientific calculator for EE?

  • orangeincup
  • · Replies 1 ·
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1

How Does Reactive Load Affect Alternator Speed?

  • cnh1995
  • · Replies 3 ·
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3

Where does the other 50% of energy go in wireless power transfer?

  • Akmalidin
  • · Replies 22 ·
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22

Three phase phasor proof or simplification

  • tim9000
  • · Replies 33 ·
2
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33

Significance of RC time constant

  • jaydnul
  • · Replies 7 ·
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7

Thin Load Cells for Small Weigh Scale Project

  • Ava
  • · Replies 2 ·
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2

Analysis of km long cable antenna?

  • houlahound
  • · Replies 24 ·
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24

Electric field inside and around a hollow sphere

  • daanisdenaam
  • · Replies 2 ·
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2
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6

What are the advantages of 6 phase inverters over traditional systems?

  • tim9000
  • · Replies 20 ·
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20
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5

Performance of DC converter between equal and opposing EMFs?

  • PhiowPhi
  • · Replies 23 ·
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23

High voltage capacitor defibrillator

  • ernd59
  • · Replies 17 ·
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17

Wires and resistance heating questions

  • Zach Richmond
  • · Replies 8 ·
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8

Construct Opamp circuit for given inputs and output

  • etf
  • · Replies 12 ·
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12

How does a partially wound toroidal core affect magnetic force and field flow?

  • shishir.gupta
  • · Replies 23 ·
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23

Megger Testing on Distribution Transformers

  • Dante Heater
  • · Replies 5 ·
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5

A few questions about capacitors

  • Guidestone
  • · Replies 17 ·
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17

Is fluid flow in P&ID diagrams analogous to current flow in circuits?

  • Neitrino
  • · Replies 2 ·
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2

Electron Re-arrangement and Flow in Power Lines

  • Gerry Rzeppa
  • · Replies 49 ·
2
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49

Discharge current in parallel lightning arresters

  • narasura
  • · Replies 10 ·
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10

What is the function of this 6 volt timer and motor control circuit?

  • lonely_nucleus
  • · Replies 8 ·
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8

Calculate mean path length of a magnetic circuit

  • TheRedDevil18
  • · Replies 4 ·
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4

Operation of transistor in Opamp log amplifier

  • brainbaby
  • · Replies 1 ·
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1

What is gauge fixing and why does it matter in FE simulation?

  • tim9000
  • · Replies 18 ·
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18

PCB Design program of your choice

  • -SJ-
  • · Replies 21 ·
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21

AC-Coupled Current Input to Amplifier

  • PhysicsGuy99
  • · Replies 10 ·
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10

Explanation about Megaohmeter (Megger)

  • mrxybb
  • · Replies 5 ·
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5

Simple class A amplifier for a different reason

  • Salvador
  • · Replies 23 ·
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23

How Can I Control an Electromagnet with a MOSFET for a 9V, 6A Project?

  • Daniel0811
  • · Replies 3 ·
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3
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4

How Can You Protect Your Motor with Relay 542 Plus?

  • binh
  • · Replies 2 ·
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2

Opto TRIAC in power electronics -- where should I start?

  • Guidestone
  • · Replies 7 ·
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7

Why Does My Summing Amplifier Clip Below 1 Volt?

  • EngrHdr
  • · Replies 12 ·
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12

Can Solar Panels Harness Power from the 'Super' Moon for Data Collection?

  • nsaspook
  • · Replies 27 ·
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27

Are Digital Computers and Animal Nervous Systems Really That Different?

  • fredreload
  • · Replies 22 ·
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22

Bow Tie Antenna Construction Question

  • Joshua Guyette
  • · Replies 2 ·
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2

Setting up a 20km radius paging transmission signal coverage

  • tadisa
  • · Replies 26 ·
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26

Does current flow through a path with zero potential difference?

  • fog37
  • · Replies 3 ·
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3

Is there Something to RFID blockers?

  • WWGD
  • · Replies 3 ·
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3

Piezoelectric actuator for 5-10G acceleration in 10mm form factor

  • ToInfinity
  • · Replies 6 ·
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6

Mutual force between AC current carrying wires

  • fog37
  • · Replies 5 ·
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5

How Can I Identify a Metal Diode with Specific Voltage Requirements?

  • STEMucator
  • · Replies 7 ·
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7

Interpreting wire type specifications on engineering drawings

  • LickMyEyeball
  • · Replies 3 ·
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3

Formula for voltage output produced by an alternator?

  • yrjosmiel73
  • · Replies 6 ·
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6

Why isn't the XNOR gate called XAND?

  • yurtpoh
  • · Replies 8 ·
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8

Is Living Next to a WiFi Antenna a Health Risk?

  • Tyatyra
  • · Replies 11 ·
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11

State space vs classical control

  • unplebeian
  • · Replies 21 ·
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21

Ideal coil size for a low wind turbine.

  • robin9000
  • · Replies 6 ·
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6

Does Collector Current Depend on Base-Collector Voltage in Common Base BJTs?

  • Aditya Mysore
  • · Replies 4 ·
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4

[Multisim] Transient time point calculation did not converge

  • etf
  • · Replies 3 ·
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3

Connecting an L293D H-Bridge to a DC Motor: Advice Needed

  • axe34
  • · Replies 1 ·
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1

USB Battery Array -> Power 36v Motor

  • vanillabass
  • · Replies 3 ·
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3

Why does active clamp output stay positive when op-amp goes negative?

  • brainbaby
  • · Replies 10 ·
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10

How to Build a 3 Element Yagi Antenna and Analyze It with Free SDR Software

  • houlahound
  • · Replies 11 ·
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11

Boundary conditions for 3d current flow through water

  • stevecarson
  • · Replies 1 ·
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1

Can You Run Two Circuits Simultaneously by Bridging Them?

  • fredreload
  • · Replies 4 ·
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4

Maxwell 2d (ANSYS): Bldc motor simulation

  • mr.93
  • · Replies 2 ·
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2

Testing rear window defroster grid

  • Lans mnet
  • · Replies 2 ·
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2

Can Electrical Signals Be Converted to Sound and Used to Read Minds?

  • Lokesh7890
  • · Replies 7 ·
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7

How to use Logic gate in Breadboard circuit?

  • Mahesh6
  • · Replies 2 ·
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2

Connections between motor and dynamo

  • Motordynamo
  • · Replies 1 ·
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1

Insights Modulation vs. Beating Confusion - Comments

  • rude man
  • · Replies 36 ·
2
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36

Does a diode block current in the direction of its arrow symbol?

  • Ascendant78
  • · Replies 7 ·
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7

What is the RPM of an erector set motor with 4 AA batteries?

  • texasman1979
  • · Replies 6 ·
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6

How can I increase the sampling rate for AnalogRead() on Arduino Uno?

  • cnh1995
  • · Replies 1 ·
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1

High temperature spiral sleeves

  • Rajesh B
  • · Replies 5 ·
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5

Split a 0-300V 50mA supply into 50mA and 50µA parallel branches

  • juzzy
  • · Replies 2 ·
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2

Will a 2000 mAh 12V battery power a 12V DC air pump?

  • steiney
  • · Replies 10 ·
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10

Why Does Pspice Simulation Stop Working and Show Gray Voltage Markers?

  • ernd59
  • · Replies 25 ·
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25

Wattage in a MWO (microwave oven)

  • Jupiter'sTwin
  • · Replies 17 ·
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17

Making a bandpass filter from LM833 high and low pass filters

  • Tesladude
  • · Replies 20 ·
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20

Electrical meter and efficiency question

  • tim9000
  • · Replies 7 ·
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7

Ground loop causing DC offset in PAL video over 200m cable

  • Stefan Merfu
  • · Replies 10 ·
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10

How do I measure a LVDS signal with single-ended oscilloscope probes?

  • mariam.f
  • · Replies 6 ·
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6

Grounded conductor charge distribution and Earth's potential

  • fog37
  • · Replies 3 ·
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3

How to make a device which is "Reverse solenoid"

  • Silent_88
  • · Replies 28 ·
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28

What do the N and P stand for in NMOS and PMOS?

  • steven-ka
  • · Replies 2 ·
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2

Does phone charger resistance change with amperage at constant voltage?

  • Thattechyguy
  • · Replies 4 ·
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4