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

Building an Induction Heater for Steel & Aluminium

  • D44
  • · Replies 2 ·
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2

RF question - Plane radio aliasing?

  • cctxbmx
  • · Replies 11 ·
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11

Is Mesh Analysis Really Necessary in Electrical Engineering?

  • azaharak
  • · Replies 4 ·
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4

The Mystery of Low-Pass Filters in Lock-in Amplifiers

  • Niles
  • · Replies 14 ·
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14

Understanding the Limitations of Superposition Principle in Electronics

  • Godwin Kessy
  • · Replies 2 ·
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2

Lenz's Law and Law of Conservation of Energy

  • salil87
  • · Replies 1 ·
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1

AC vs DC: Same Rules, Different Frequency

  • psparky
  • · Replies 12 ·
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12

Voltage Fluctuations: How Lightning Affects Power Supply

  • labinojha
  • · Replies 1 ·
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1

Is it possible to use a laptop as electronic test equipment?

  • psktam
  • · Replies 2 ·
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2

Help with Older Electronic Inspection System - Cognex DVT 630 Camera

  • salesmch
  • · Replies 1 ·
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1

Please explain how the MOSFET and the diode work.

  • yungman
  • · Replies 10 ·
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10

How can I integrate analog components for a small keyboard device?

  • AoiPhysF
  • · Replies 2 ·
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2

Connecting a Charger to a Battery: Positive Side Matching

  • nutsandbolts
  • · Replies 4 ·
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4

Self capacitance of a multi layer coil

  • hobbs125
  • · Replies 4 ·
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4

What Happens to Fault Current During a Short Circuit in Parallel Generators?

  • ge.vasiliou
  • · Replies 12 ·
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12

Core material for electromagnet that doesn't oxidize

  • tanus5
  • · Replies 8 ·
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8

Estimate of noise statistics within some error

  • Squatchmichae
  • · Replies 4 ·
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4

Needing to filter Capacitive Discharge feedback

  • magnethead494
  • · Replies 24 ·
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24

Computer Engr: Design a Chip - Is it Worth Learning?

  • X89codered89X
  • · Replies 12 ·
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12

Microwaves and Electro-magnetic waves (lame questions)

  • I_am_learning
  • · Replies 6 ·
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6

Why we use motorized circuit breaker?

  • Mateen-ud-din
  • · Replies 2 ·
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2

EE Book Recommendation: Find Your Favorite Today!

  • PhantomPower
  • · Replies 1 ·
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1

Capacitive coupling on breadboard

  • FOIWATER
  • · Replies 1 ·
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1
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6

Made an electromagnet, curious about how this works exactly.

  • yanom
  • · Replies 5 ·
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5

Conversion of 24V airhorn to 12V

  • resres
  • · Replies 4 ·
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4

What Are the Best Hardware Choices for a Wireless Parking System?

  • Valdima
  • · Replies 9 ·
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9

Resistance in case of non Ohmic current voltage relation.

  • Mitadru Banik
  • · Replies 5 ·
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5

Parallel resonance concerning RL and Rc

  • Toyona10
  • · Replies 10 ·
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10

Help with Isolation amplifiers

  • SEYOboy
  • · Replies 6 ·
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6

Can You Run PWM Fan Without PWM Input?

  • gomerpyle
  • · Replies 6 ·
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6

Complex Analysis in Electrical Engineering

  • CDTOE
  • · Replies 13 ·
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13

Using wattmeter with current transformer

  • sandy.bridge
  • · Replies 17 ·
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17

Why Does Base Current Start at 20uA at the Bottom in NPN Curve Tracers?

  • sandy.bridge
  • · Replies 2 ·
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2

Increase current output of generator?

  • Salmankth
  • · Replies 6 ·
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6

Why does the resistance of an inductor increase when an iron core is introduced?

  • Kal_Electri
  • · Replies 24 ·
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24

Radio astronomy - integration time vs. sample rate

  • wheels1888
  • · Replies 5 ·
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5
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3

Parallel resonance by varying frequency

  • Toyona10
  • · Replies 2 ·
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2

Understand Diode Connected MOSFET Circuit

  • shaikss
  • · Replies 1 ·
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1

Voltage Increases When Connecting Multiple Batteries

  • scientifico
  • · Replies 39 ·
2
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39

Lower DC voltage on single supply op-amp

  • dave6877
  • · Replies 12 ·
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12

Power from one or both of 2 sources

  • doowruc
  • · Replies 8 ·
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8

Solar panels - Direct charging and battery life

  • ramonegumpert
  • · Replies 2 ·
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2

Can the Voltage in an RC Circuit be Found by Examining a Picture?

  • lepp1892
  • · Replies 25 ·
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25

Power supply using a voltage regulator?

  • earthwalker
  • · Replies 6 ·
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6

How Does a Small Solar Cell Achieve High Amperage?

  • ramonegumpert
  • · Replies 1 ·
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1

Can Electric Motors Power a Portable Wakeboard Winch?

  • wakeboarder
  • · Replies 4 ·
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4

Why do capacitor bushings have strange shapes?

  • DragonPetter
  • · Replies 12 ·
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12

Voltage divider - Looking for a reference with respect to Vout resistnce

  • Femme_physics
  • · Replies 35 ·
2
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35

Why does connecting a bjt backwards work?

  • rytmenpinne
  • · Replies 1 ·
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1

Where Can I Download FEMM for Linux Opensuse 12.1?

  • doing_stuff
  • · Replies 2 ·
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2

Maglev Conveyor Help: Need Assistance With Labview Simulation

  • Lantis
  • · Replies 1 ·
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1
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3

Circuit problem: Confused about results

  • Xyius
  • · Replies 11 ·
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11

Detect switch without a complete circuit?

  • cfgrs
  • · Replies 16 ·
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16

Convert DC to AC for Photo Voltaic Systems

  • lexus31rus
  • · Replies 9 ·
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9

Measuring output voltage for rectifier with filter

  • shaikss
  • · Replies 1 ·
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1

Is It Necessary to Consider the Body Effect in Charge Pump Design?

  • shaikss
  • · Replies 1 ·
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1

Bulk Connections of MOSFET as Rectifier

  • shaikss
  • · Replies 1 ·
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1
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1

What is Vacuum Level? - Explained in Detail

  • shaikss
  • · Replies 4 ·
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4

Can Vth of MOS be lowered for lower input voltages?

  • shaikss
  • · Replies 3 ·
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3

RC circuit and Laplace transforms

  • darkfeffy
  • · Replies 5 ·
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5

Estimating the receiving signal strength 2.4ghz

  • Oxieee
  • · Replies 2 ·
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2

Transmission Lines: Frequency Limitations & Attenuation

  • quantumlight
  • · Replies 4 ·
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4

Well I need to create a reasonably powerful electromagnet and I am in

  • Gurinder R
  • · Replies 9 ·
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9

14 bits at the output means 16 bits -2 on the MSB side?

  • Femme_physics
  • · Replies 6 ·
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6

What are the applications of a transistor

  • shoes
  • · Replies 7 ·
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7

Making a radio that accesses the internet

  • kennitoster
  • · Replies 4 ·
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4

Significance of Negative Frequency

  • salil87
  • · Replies 8 ·
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8

Energy Gap of Intrinsic Semiconductors: Temperature Dependence

  • Elliptic
  • · Replies 1 ·
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1

Change the frequency of voltage of C1

  • Chuck88
  • · Replies 19 ·
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19

Navigating EE Major as an Older Student - What Should I Do?

  • Illuminerdi
  • · Replies 4 ·
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4

How does the mechanism of a dual layer DVD read the data from both layers?

  • Charles123
  • · Replies 5 ·
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5

Using European Light Bulbs in NA

  • Sangwookim
  • · Replies 3 ·
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3

Combinational and Sequential Circuits

  • sandy.bridge
  • · Replies 2 ·
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2

Rectifier: Why is there a leakge in current?

  • CDTOE
  • · Replies 8 ·
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8

Basic question about Laplace and signals properties

  • tamtam402
  • · Replies 2 ·
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2

Which high voltage is more dangerous: AC, or DC, and why?

  • On Radioactive Waves
  • · Replies 27 ·
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27

DMA Scope: Affordable PC Oscilloscope for PWM Waveforms

  • ffp
  • · Replies 6 ·
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6

Finding the thevenin equivalent using Vo and Io

  • Evales
  • · Replies 11 ·
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11

Mechanical engineer's kVA question

  • bill nye scienceguy!
  • · Replies 11 ·
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11
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4

Secure Surveillance System with Intruder Detection & Alerts

  • asad1111
  • · Replies 2 ·
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2

Query regarding Delay element in the circuit.

  • shaikss
  • · Replies 8 ·
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8
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5
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5

Error tolerance in coil design (number of turns)

  • hobbs125
  • · Replies 3 ·
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3
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8

Senior Project Interview: Seeking an Electrical Engineer

  • kingpierre
  • · Replies 1 ·
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1
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5

How many turns on a 50:5 CT for proper current ratio?

  • tinkeringone
  • · Replies 20 ·
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20

I want to start tinkering with electronics

  • Nox-
  • · Replies 7 ·
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7

Distributed/decentrallized power generation vs. Regional power generation

  • Jack8rkin
  • · Replies 5 ·
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5

If time is removed from the equation Q=VxIxt, will it still be valid

  • totoykabute
  • · Replies 4 ·
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4

Connecting a 5 pin nte7077 voltage regulator

  • mrdryliner
  • · Replies 3 ·
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3

How Can Electromagnetism Be Simplified for Effective Learning?

  • Illuminerdi
  • · Replies 8 ·
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8

Is it possible to make a portable and re-usable EMP device ?

  • Muhammad1993
  • · Replies 4 ·
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4

Mirror Reflection: Tracking Sunlight with Arduino

  • Poor_student
  • · Replies 6 ·
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6