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

Current through short-circuit inductor

  • Fairouz84
  • · Replies 12 ·
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12

Dielectric Polarization and leakage effects?

  • HMS-776
  • · Replies 2 ·
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2

Calculating Amperage from a 3 Farad Capacitor

  • ramonegumpert
  • · Replies 4 ·
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4

Electromagnetic Induction Without Air Core

  • billmanhillma
  • · Replies 8 ·
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8

Why is FDM not used in fiber-optics?

  • daredevil
  • · Replies 1 ·
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1

How can I protect my DC series motor starter from frequent damage?

  • noreldaim
  • · Replies 18 ·
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18

Replacement for LM1013 IC

  • Engomar
  • · Replies 5 ·
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5

Why is the depletion region wider at the top of a JFET?

  • Physicslearner500039
  • · Replies 1 ·
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1

Voltage spike in alternator when phases are shorted?

  • carmatic
  • · Replies 5 ·
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5

RLC circuit resistance, inductance and capacitance

  • jeffrich
  • · Replies 6 ·
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6

Wavetek 2500 output voltage drops 50% across 0.4-1100 MHz range

  • GenSoft3d
  • · Replies 11 ·
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11

Multi inductor or capacitor RLC circuits

  • ricc
  • · Replies 7 ·
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7

Do parallel loads in an enclosure need branch-rated breakers?

  • physicsboard
  • · Replies 10 ·
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10

How Does the Depletion Region Influence Diode Behavior in Forward Bias?

  • azizlwl
  • · Replies 5 ·
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5

Why does a potential difference appear across a resistor in a circuit?

  • tonyjk
  • · Replies 6 ·
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6

Thermal gradients in electrical paths of thermocouple conductors

  • erichp
  • · Replies 1 ·
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1

Why is resistance mentioned separately from impedance in AC circuits?

  • titantitan
  • · Replies 10 ·
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10

Why Does the Bode Plot of a Type 1 System Show a Damped Slope Initially?

  • CognitiveNet
  • · Replies 1 ·
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1
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2

Piezoelectric actuator in water

  • Flout
  • · Replies 1 ·
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1

A 25W Light Bulb Married a GE Clock/Radio

  • nathangriffin
  • · Replies 4 ·
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4

Local oscillator for AM modulation in RF transmitters

  • prs725
  • · Replies 7 ·
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7

Tesla circuit radio mining for electrically independent house?

  • Ethernaught
  • · Replies 1 ·
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1

Robotic Table Tennis Player: Selecting Motors for High Response

  • l094400
  • · Replies 4 ·
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4

How to recharge neodymium magnets?

  • zipunzipit
  • · Replies 10 ·
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10

Using a hototransistor to follow a light source

  • ffp
  • · Replies 4 ·
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4

Calculating Current from a Function Generator

  • Student1008
  • · Replies 4 ·
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4

Demand factor for the medical equipments

  • mohamed sleem
  • · Replies 1 ·
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1

Working out voltage drop and current flowing through a circuit

  • SummersLCFC
  • · Replies 1 ·
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1

Increasing power supply to building

  • CognitiveNet
  • · Replies 11 ·
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11

Creating a signal amplifier using circuits

  • ejayt
  • · Replies 4 ·
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4

A standard form of Complex Frequency can only have two terms?

  • korbear
  • · Replies 2 ·
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2

Charging two parallel capacitors one of them is %50 charged

  • tarek1984
  • · Replies 14 ·
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14

Is it incorrect to say when the voltage arrives to point X

  • Femme_physics
  • · Replies 10 ·
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10

I want to know what do diodes facing opposite each other do?

  • daniel08
  • · Replies 4 ·
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4
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13

Measuring distance from an RF beacon

  • taylaron
  • · Replies 11 ·
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11

Dead Car Battery Load when car off

  • cepheid
  • · Replies 21 ·
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21

Does the inverter can be used as a power sourse

  • acdrive
  • · Replies 9 ·
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9

Understanding Electromagnetic Waves

  • FOIWATER
  • · Replies 4 ·
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4

What Determines the 0.2V Saturation Voltage in BJTs?

  • mikey12
  • · Replies 1 ·
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1

Rectifier circuit: What am I doing wrong?

  • CDTOE
  • · Replies 6 ·
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6

Why is My Laptop Battery Failing After One Year of Use?

  • heywilk
  • · Replies 1 ·
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1

Driving requirement of a typical ear phone of small walkman or IPOT

  • yungman
  • · Replies 2 ·
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2

Why is Coax Shielding Important for Signal Integrity?

  • Fixar Frazze
  • · Replies 9 ·
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9

DC-DC power conversion and voltage regulators

  • ramonegumpert
  • · Replies 5 ·
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5

Help Me Find Resistor Network Specs for My Circuit Board

  • Ebola0001
  • · Replies 2 ·
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2
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2

What's the point of biasing any transistor?

  • mt1200
  • · Replies 15 ·
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15

Why does an RLC oscillator need transistors in real circuits?

  • Raint
  • · Replies 8 ·
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8

What Are the Two Types of Threshold Voltage (Vth) in MOSFETs?

  • KrNx2Oh7
  • · Replies 1 ·
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1

Low Power FM transmitter explanation

  • mk2709
  • · Replies 4 ·
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4

Basic LED circuit, 9v battery, what resistors to use?

  • alh1987
  • · Replies 5 ·
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5

Why Do Motors Draw More Current During Brownouts?

  • RMoses4Life
  • · Replies 9 ·
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9

How can I measure resistor values in series and parallel circuits?

  • xenocid3r
  • · Replies 2 ·
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2

Heat signature of security camera

  • CognitiveNet
  • · Replies 1 ·
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1

Redesigning cell phone chargers

  • thornza
  • · Replies 1 ·
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1

Can a single capacitor circuit have phase shift?

  • Evales
  • · Replies 11 ·
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11

Move a object with coil force of magnetic field(formula and Approach)

  • baby_1
  • · Replies 1 ·
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1

How long will this LED last with this battery?

  • samak
  • · Replies 1 ·
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1

How to restart my computer after power cut?

  • 042012
  • · Replies 6 ·
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6

Changing a Ground while a circuit is live

  • ANarwhal
  • · Replies 13 ·
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13

Can a thermoelectric cooler be used as a thermoelectric generator?

  • nu_hash
  • · Replies 4 ·
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4

Creating a Simple Timer Circuit without an IC

  • Xyius
  • · Replies 10 ·
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10

How does IR (infrared) intensity measured

  • makovx
  • · Replies 3 ·
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3

Low Pass Filter in Software question

  • preimmortal
  • · Replies 4 ·
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4

How to prepare for a job interview

  • Femme_physics
  • · Replies 6 ·
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6

Harmonics in polyphase power system

  • mnada
  • · Replies 4 ·
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4

Newbie Struggling with FFT Phase - Eva's Story

  • evawoo
  • · Replies 4 ·
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4

Why does the SCR remain 'ON' even though the gate pulse is removed?

  • physio
  • · Replies 1 ·
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1

Ferrite magnet as toroid transformer

  • ramonegumpert
  • · Replies 8 ·
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8

Wind Turbine Design: High Output for Low Wind Speeds

  • Ac12992
  • · Replies 4 ·
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4
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3

How Do You Factor Transfer Functions in S-Plane Analysis?

  • FrankJ777
  • · Replies 2 ·
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2

Can Back EMF in Inductors and Motors be Eliminated or Reduced?

  • nemesiswes
  • · Replies 12 ·
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12

Increase Output Voltage of Solar Cells

  • Joe F
  • · Replies 4 ·
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4

Node-voltage Method, some misconception?

  • M. next
  • · Replies 9 ·
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9

How are step-up/step-down transformers wired?

  • Skaperen
  • · Replies 13 ·
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13

DIY GSM 850 Antenna Build for Remote and Low Signal Areas

  • CanucksGirl
  • · Replies 18 ·
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18

Accelerometer tilt error correction

  • maheshcn
  • · Replies 1 ·
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1

Fault analysis in power systems

  • abimcdssi
  • · Replies 4 ·
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4

Voltage and Current Behavior in Parallel Circuits

  • M. next
  • · Replies 13 ·
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13

Output current for 74 series TTL

  • Joe_J
  • · Replies 5 ·
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5
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2

Ceramic material used in Peltier devices

  • jpt
  • · Replies 4 ·
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4

Connecting different types of solar panels together

  • ramonegumpert
  • · Replies 4 ·
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4

Can I Charge a 12V 15Ah Battery with 60V 4A?

  • reddvoid
  • · Replies 4 ·
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4
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11

How to build an OR gate from basic circuit components

  • Xyius
  • · Replies 10 ·
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10

Is There a Move Towards Pseudo Random Scanning for Digital TV Displays?

  • sophiecentaur
  • · Replies 9 ·
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9

Building a small magnetic generator to power a lightbulb

  • R y a n
  • · Replies 4 ·
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4

RFID Scanners: Can Metal Protect?

  • Bacle2
  • · Replies 1 ·
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1

Microstrip (Derivation of Capacitance and Inductance)

  • shpongle
  • · Replies 7 ·
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7
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4

How does a low pass harmonic filter work?

  • johnnyb6231
  • · Replies 4 ·
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4

Understanding Transistors: How Base Current Controls Collector Current

  • jd12345
  • · Replies 4 ·
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4

What is PoE, power over the internet?

  • fisico30
  • · Replies 4 ·
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4

Why is the 802.11b network divided into 22MHz bands?

  • Teachme
  • · Replies 1 ·
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1

How are sources of AC power matched in a common grid?

  • LawrenceC
  • · Replies 4 ·
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4