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

I don't understand why the node voltage here is zero(this is for circuits class)

  • bambam123456
  • · Replies 9 ·
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9

Is it possible to build an op amp with BJTs instead of MOSFETs?

  • aeftimia
  • · Replies 6 ·
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6

Is a PM Generators output greater than an A/C motors input?

  • imac567
  • · Replies 1 ·
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1

How to detect coloured strips digitall?

  • ther3x
  • · Replies 2 ·
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2

Build NOT Gate w/ AND/OR Gates: Possible?

  • Apple&Orange
  • · Replies 2 ·
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2

Buy Equipments to start up my lab

  • tanay269
  • · Replies 2 ·
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2

Reliable digital data communication

  • erece
  • · Replies 1 ·
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1

What Happens When PN Junction is Shorted?

  • Bhargava2011
  • · Replies 20 ·
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20

When is voltage reflected from secondary to primary in a flyback converter?

  • likephysics
  • · Replies 3 ·
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3

Do CCFL Inverters Prevent Short Circuits and Limit Current Effectively?

  • hobbs125
  • · Replies 6 ·
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6

Calculating the power consumed by an astable multivibrator

  • aeftimia
  • · Replies 3 ·
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3

3phase/1phase which to prefer?

  • kirancy
  • · Replies 12 ·
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12

More than one frequency appearing in a circuit?

  • hobbs125
  • · Replies 4 ·
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4

Voltage source connected with parallel.

  • u_know_who
  • · Replies 9 ·
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9

Filter White Noise: Designing FIR Moving Average Filter

  • veccia
  • · Replies 5 ·
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5

Removing pre-load voltage difference for a load cell

  • bjh0003
  • · Replies 10 ·
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10

What is the purpose and design of wire mesh on radar antennas?

  • johnsmi
  • · Replies 6 ·
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6

Using WolframAlpha for electrical engineering calculations

  • waht
  • · Replies 9 ·
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9

How to Build a DC-AC Converter Without Inductors?

  • aeftimia
  • · Replies 5 ·
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5

Voltage multiplication using a battery

  • alpine2beach
  • · Replies 7 ·
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7

Oscilloscope - Frequency Vs Time Graph

  • Neyolight
  • · Replies 9 ·
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9

Charging APC batteries off truck circuit?

  • WeeHooker
  • · Replies 11 ·
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11

Why open loop transfer function ?

  • reddvoid
  • · Replies 1 ·
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1

Can Inductors Resist Sudden Changes in Current and Induce Voltage?

  • hobbs125
  • · Replies 3 ·
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3

Difference Between Phase and Time-Delay

  • frenzal_dude
  • · Replies 3 ·
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3

Calculating Solar Energy Generation from GHI, DNI, and DHI Data

  • athar.walile
  • · Replies 6 ·
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6

Physics vs electrical engineering degree for electrical engineering work

  • niehaoma
  • · Replies 17 ·
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17

Understanding biasing and ohms law

  • fran1942
  • · Replies 1 ·
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1
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1

Build a wearable 100m proximity alert with LED

  • RinGGiE_RasTa
  • · Replies 6 ·
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6

How to know the VA rating of a transformer

  • piyushpandey
  • · Replies 11 ·
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11

How To Remember IC Configurations?

  • theitcrowd
  • · Replies 1 ·
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1

Protecting LM324 from High Voltage Sparks

  • Ravaner
  • · Replies 8 ·
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8

PD (proportional derivative) controller

  • phiby
  • · Replies 1 ·
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1

Hand crank generator battery charger circuit

  • mawad
  • · Replies 1 ·
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1

How Can I Develop a Soft, Safe Smart Pillow That Detects Impact?

  • watsgoing
  • · Replies 1 ·
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1

Introduction to biomedical sensor fundamentals

  • AdePCY
  • · Replies 3 ·
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3

Induced voltages in cables in trunking

  • krislaine
  • · Replies 1 ·
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1

Frequency response of a transfer function

  • swraman
  • · Replies 9 ·
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9

Somebody explain railgun mechanism

  • electrous
  • · Replies 1 ·
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1

Definition of Quasi-Fermi Level - Nikolaas Van Der Heyden

  • marlon
  • · Replies 4 ·
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4

PWM and IGBT for 200V bulb dimmer

  • legendary_
  • · Replies 4 ·
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4
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6

Choosing an oscilloscope for 10-20kHz PWM signals

  • hisham.i
  • · Replies 4 ·
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4

Why Does Tighter Twisting in Twisted Pair Cable Increase Transmission Rate?

  • faraz_niz
  • · Replies 3 ·
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3

How Can the Nyquist Rate Ensure Full Signal Recovery?

  • frenzal_dude
  • · Replies 20 ·
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20

Why do 1N4007 diodes fail at 900V but test good with an ohmmeter?

  • Ravaner
  • · Replies 2 ·
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2

Arc welding plant power cut off

  • lakmalp
  • · Replies 4 ·
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4

Element absorbing/supplying power?

  • phy6!
  • · Replies 1 ·
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1

Fluorescent/fosforescent effect applied to engineering

  • amarante
  • · Replies 1 ·
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1

IRF3000 Minimum and Maximum Voltage

  • legendary_
  • · Replies 3 ·
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3

Power electronics project with heavy programming

  • nabeel89
  • · Replies 2 ·
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2
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5

Identifying a small black box device glued to apartment window

  • jadamczyk
  • · Replies 18 ·
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18

How exactly is digital information sent with radio waves?

  • Edi
  • · Replies 4 ·
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4

Why doesn't stepping down voltage reduce power in distribution?

  • mathological
  • · Replies 6 ·
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6

Schematic symbols for integrated circuits and voltage regulators

  • TylerH
  • · Replies 11 ·
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11

Winding 20 gauge magnet wire on toroidal cores

  • Jdo300
  • · Replies 63 ·
3
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63

Selecting the Right Transformer Turns Ratio for a Given Voltage

  • savvej
  • · Replies 8 ·
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8
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1

Does bjt amplify dc signal? why or why not?

  • asad1111
  • · Replies 5 ·
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5
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1

Amp dangers from a universal power supply adapter

  • nodak65
  • · Replies 2 ·
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2
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1

Zero Crossing Point of ac cycle

  • challarao
  • · Replies 14 ·
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14

Cheap Voltage/Amperage Alarm Device?

  • jb10929
  • · Replies 1 ·
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1
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1

Why is electromotive force called a force if it isn't one?

  • tina_singh
  • · Replies 6 ·
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6

How Do Core Construction and Amp-Turns Affect Transformer Performance?

  • SMD1990
  • · Replies 2 ·
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2

Inductive Loop Detectors at Hight Vehicle Speed

  • Neyolight
  • · Replies 3 ·
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3

How to convert time domaine signal into frequency domain signal

  • rama1001
  • · Replies 3 ·
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3

Can a NAND gate be made without using a negative supply?

  • frenzal_dude
  • · Replies 10 ·
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10

Cancelling out Power Supply Noise out COMPLETELY

  • jonlg_uk
  • · Replies 3 ·
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3

Control Engineering: Block Diagram

  • wantan7671
  • · Replies 5 ·
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5

OrCAD PSpice convergence issues in switch mode power supply simulations

  • ElectroPhysics
  • · Replies 5 ·
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5

Wireless energy transfer/able to power your own house?

  • FreeFolk
  • · Replies 18 ·
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18

AC induction motor reverse 3 phase

  • earth_physics
  • · Replies 4 ·
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4

Any other forum more into antennas?

  • yungman
  • · Replies 3 ·
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3

Are semiconductors always transition metals?

  • treehouse
  • · Replies 3 ·
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3

What happens when charge accelerates?

  • Bassalisk
  • · Replies 4 ·
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4

Why does the Dirac delta appear with finite height in Fourier analysis?

  • frenzal_dude
  • · Replies 7 ·
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7

What is the word size of a processor?

  • treehouse
  • · Replies 21 ·
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21

Calculating EMF for Magnetic Generator Design

  • barendfaber
  • · Replies 5 ·
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5

What area of copper needed for given power

  • Tawaffles
  • · Replies 1 ·
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1

AC induction motor - V/f control

  • earth_physics
  • · Replies 4 ·
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4

33kV 3phase fault causing transmission line entanglement

  • jackdaniel66
  • · Replies 8 ·
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8

Which CPLD Development Kit Should I Choose and Which HDL to Learn?

  • saad87
  • · Replies 3 ·
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3

Voltage switching for 18 segment VFDs

  • vfd18
  • · Replies 3 ·
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3

Current mirror for multiple LED driver circuit.

  • collier1988
  • · Replies 3 ·
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3

Generator Synchronizing Current

  • I_am_learning
  • · Replies 12 ·
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12

Earthing Transformer: Wye vs Zigzag Connection

  • jacquisdelumen
  • · Replies 3 ·
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3
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3
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8
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2

Number of Op Amp: Limit for Amplifying Signals?

  • nadersb
  • · Replies 2 ·
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2

Torque in AC Machines: Why is Theta Same?

  • Eng.FA
  • · Replies 1 ·
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1

What is the impact of long-term storage on sealed lead acid batteries?

  • I_am_learning
  • · Replies 4 ·
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4

2 different AC voltages on 1 circuit

  • brianwilson41
  • · Replies 2 ·
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2
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4

Understanding Electric Guitar Pickups: How They Work

  • AfRoMaNn
  • · Replies 2 ·
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2