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

Can USB Ports Be Converted to Power a 12V 1Amp Device?

  • Jason porter
  • · Replies 14 ·
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14

Why use fusible switches instead of circuit breakers in distribution panels

  • sandy.bridge
  • · Replies 8 ·
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8

Transformer for CDI ignition power supply

  • mynode
  • · Replies 1 ·
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1

Can Natural Electrical Circuits Be Found in Nature?

  • edenenix15
  • · Replies 12 ·
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12

What sort of EM field is produced in an induction heater?

  • grim3271
  • · Replies 20 ·
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20
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4

Can a Minn Kota trolling motor be used as an electric generator?

  • sea kay
  • · Replies 10 ·
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10

Will External Magnets Affect PMDC Motor Armature Rotation?

  • naeem shaik
  • · Replies 4 ·
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4

Testing 12V 62.5A PSUs - Using 9 2Ω 100W Resistors

  • totota
  • · Replies 17 ·
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17

Electromagnetics: Non-Symetrical coil with external iron

  • Karmaslap
  • · Replies 4 ·
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4

Difference between RC and CR circuits

  • esder
  • · Replies 20 ·
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20

Power electronics : half bridge vs H bridge

  • ernd59
  • · Replies 1 ·
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1

Will an EMP render a solar panel useless?

  • alchemical
  • · Replies 1 ·
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1

Why does dipole moment increase with distance if force decreases?

  • Abdul Majid
  • · Replies 3 ·
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3

How current flows through battery nickel plate -- Diagram shown

  • iDred
  • · Replies 9 ·
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9

Why is AC more efficient than DC for power transmission?

  • Guidestone
  • · Replies 122 ·
5
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122

Low rpm motor and heating element in 250 W

  • Arjun_Arasan
  • · Replies 5 ·
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5

My LTSpice simulation is too slow

  • ernd59
  • · Replies 4 ·
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4

Does SNR Indicate Bandwidth Limitations in Signal Distortion?

  • amilapsn
  • · Replies 2 ·
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2

How can a circuit be unbalanced?

  • BHY-BK
  • · Replies 4 ·
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4

Can a Supercapacitor Replace Your Vehicle's Battery?

  • Shadow-Shocker
  • · Replies 10 ·
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10

Thoughts on what this antenna structure is?

  • berkeman
  • · Replies 8 ·
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8

How do I effectively use a DC power supply?

  • gabede
  • · Replies 23 ·
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23

Is it possible to detect current ramp-up to DC with a coil?

  • mikaeleriksson
  • · Replies 12 ·
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12

How to Achieve DC Biasing in a MOSFET Rectifier Design?

  • Peiqii Tan
  • · Replies 1 ·
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1

Maxwell 350F supercapacitor: D cell form factor, 6 Wh/kg energy density

  • anorlunda
  • · Replies 2 ·
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2

Li-Ion Battery Charger for Drill - 12V 3s Balance Charger

  • evilfreddie
  • · Replies 1 ·
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1

Electrical length of wire wound on magnetic core?

  • BHY-BK
  • · Replies 8 ·
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8

Temperature cycling effects on electronics durability

  • mrspeedybob
  • · Replies 8 ·
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8

Microspectrophotometers -- manufacturing process

  • Samisaviv
  • · Replies 8 ·
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8

How to understand SN754410 datasheet and current?

  • Munnu
  • · Replies 5 ·
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5

Home AC supply - why live, neutral and ground needed?

  • FREE1AS1A1BIRD
  • · Replies 17 ·
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17

Question on quarter wave circuit?

  • BHY-BK
  • · Replies 5 ·
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5

AC frequency and power of an electrical appliance

  • Alexandar
  • · Replies 3 ·
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3

Difference between a voltage and a current signal?

  • fog37
  • · Replies 5 ·
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5

Dielectric breakdown with insulating electrodes

  • Tyler123
  • · Replies 2 ·
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2

Designing an interrupt switch or circuit

  • Forrtruck
  • · Replies 7 ·
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7

Building a digital VHR AM Aircraft receiver

  • Sergiy
  • · Replies 10 ·
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10

Why does jump starting a car not burn the battery?

  • JohnZ622
  • · Replies 19 ·
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19

Serial controlled variable speed motor

  • mooseboi
  • · Replies 4 ·
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4
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7

How is electrical current delivered into houses?

  • physics user1
  • · Replies 9 ·
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9

Wiring functioning prior to fusing?

  • PhiowPhi
  • · Replies 8 ·
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8

Build a 48 VDC Generator with a 50 hp electric motor

  • deckart
  • · Replies 42 ·
2
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42

TV reception cuts out when car passes by

  • Greg Bernhardt
  • · Replies 20 ·
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20

What is the formula for calculating the optical output power of an LED?

  • daPoseidonGuy
  • · Replies 4 ·
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4

How would superconducting motors/generators work?

  • PhiowPhi
  • · Replies 1 ·
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1

Transfer function from a Z = a - i * b number.

  • Arif1996
  • · Replies 4 ·
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4

Why is radio spectrum allocation based on archaic models?

  • Nightvid Cole
  • · Replies 13 ·
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13

How Do I Set Up My New Audio System with Various Components?

  • 3301
  • · Replies 3 ·
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3

Why don't electrons jump between the turns of a coil?

  • Guidestone
  • · Replies 32 ·
2
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32

Book for designing low voltage switches

  • omarelec
  • · Replies 3 ·
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3

Fuzzy Control: Setting Membership Ranges

  • luca99
  • · Replies 2 ·
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2

Calculating the speed taking into account the weight of a person

  • Rafn97
  • · Replies 5 ·
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5

How can I represent this expression as a Fourier Transform?

  • Xyius
  • · Replies 1 ·
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1

How can I maintain 60 Hz output from a generator with variable RPM?

  • deckart
  • · Replies 41 ·
2
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41

Design of a short circuit kit for DUTs (switch, opamp, LEDs)

  • RShan
  • · Replies 21 ·
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21

Why use transfer functions instead of if-else statements in cruise control

  • knight92
  • · Replies 6 ·
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6

Understanding Capacitor Principles: How Current Flows and Preventing Breakdown

  • Bringitondown
  • · Replies 6 ·
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6

Finding current and temperature of platinum wire

  • temaire
  • · Replies 11 ·
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11

Analytical Expressions for Frequency Response

  • MarkDECE
  • · Replies 1 ·
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1

Types of opposing forces in a generator, and a motor

  • PhiowPhi
  • · Replies 8 ·
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8

Soldering iron, need higher voltage

  • Salvador
  • · Replies 16 ·
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16

Why does a photo eye draw more current at lower voltage?

  • A J
  • · Replies 16 ·
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16

Electrical reason for big air gap of induction motor

  • jaus tail
  • · Replies 10 ·
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10

Heating water from room temp up to 60C using 9V battery

  • InfamousTaiga
  • · Replies 8 ·
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8

Create a pocket pedometer just with accelerometer

  • rushi121
  • · Replies 12 ·
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12

Motor voltage and torque needed for 12 newtons of retraction force

  • Aspirant
  • · Replies 7 ·
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7

Input/Output Voltage Class C RF Amp

  • shawisco
  • · Replies 3 ·
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3
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13

Simulation with Spice to get coil and caps values

  • Tom48
  • · Replies 10 ·
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10

Can a Circuit Be Powered by Both USB and DC Supply Simultaneously?

  • xortan
  • · Replies 4 ·
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4

How to find a right RF module for a project?

  • rushi121
  • · Replies 6 ·
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6

How does a Digital Multimeter work?

  • Berserk
  • · Replies 19 ·
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19

How can I detect whether driver is sitting in car or not?

  • rushi121
  • · Replies 5 ·
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5

Converting AC with time-varying amplitude to pure DC

  • athuljyothis
  • · Replies 10 ·
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10

What is the required current for maximum torque in a 33 kg cm servo motor?

  • Sridhar96
  • · Replies 1 ·
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1
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2

Capacitor+Grounded Plate+AC Current?

  • pickle123
  • · Replies 32 ·
2
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32

Measuring torque acting on motor shaft?

  • robertjordan
  • · Replies 3 ·
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3

I have questions for transmission line (impedance matching)

  • goodphy
  • · Replies 8 ·
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8

Why are transducers needed to create reverb?

  • vin300
  • · Replies 6 ·
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6

Texas Nuclear I/O Board 885740 -- What is it used for?

  • MathematicalPhysicist
  • · Replies 1 ·
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1

Microwave-to-optical conversion (A Nature paper)

  • shpongle
  • · Replies 2 ·
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2

How to tell if a transistor is NPN or PNP

  • zoobyshoe
  • · Replies 24 ·
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24

Supply 460v single phase instead of 230v to induction machin

  • srinaath
  • · Replies 4 ·
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4
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1

Orientation Detection in accelerometer

  • Ravindra Kant
  • · Replies 7 ·
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7

How the power transfers across the Ideal Transformer

  • tim9000
  • · Replies 359 ·
12
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359

How to calculate solar panel hourly power output?

  • gocool767
  • · Replies 12 ·
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12

Different voltages on the same node?

  • yosimba2000
  • · Replies 3 ·
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3

Can I Replace a 1.2V Battery with an 18350 in My Hair Trimmer?

  • evilfreddie
  • · Replies 8 ·
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8

Broken devices due to increased voltage

  • JorisL
  • · Replies 2 ·
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2

Does a stepper motor resist rotation when power is cut?

  • Sridhar96
  • · Replies 5 ·
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5

Using FM radio signals for indoor location instead of GPS

  • shushi_boi
  • · Replies 4 ·
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4

How to get frequency, w (omega), when calculating reactance

  • KingDaniel
  • · Replies 2 ·
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2

Can I use a 5-pin push switch instead of a 2-pin on/off switch?

  • AM1990
  • · Replies 8 ·
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8

How are flat screen monitors made?

  • Hornbein
  • · Replies 2 ·
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2
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9

Why use arbitrary voltage source in Dependent Thevenin's

  • yosimba2000
  • · Replies 1 ·
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1