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Electrical Engineering Forum
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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...
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Title
Highest possible AC frequency possible today?
Feb 16, 2015
Replies
9
Views
5K
Why does the potential difference between two capacitors seek equilibrium?
Feb 16, 2015
Replies
7
Views
6K
Electrons and Consequences of Conservation Laws
Feb 15, 2015
Replies
4
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1K
Phase Delay Changes with Physical Length Changes
Feb 15, 2015
Replies
4
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1K
How to control the speed of 1.5 Volt motor?
Feb 14, 2015
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4
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3K
How to Calculate Resistance Values for a Phototransistor Circuit?
Feb 14, 2015
Replies
1
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1K
How to make/find USB Bracelet with programmable buttons?
Feb 13, 2015
Replies
4
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1K
Odd multimeter readings with AC->DC wall adapter
Feb 13, 2015
Replies
8
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4K
Speed regulator for accesibility step
Feb 13, 2015
Replies
3
Views
930
What Causes Fields to Fringe?
Feb 13, 2015
Replies
1
Views
3K
Max Output Power of 9 Phase Alternator
Feb 13, 2015
Replies
16
Views
3K
Planetary Electromagnetic Field
Feb 13, 2015
Replies
3
Views
1K
Unstable System: Pole in Right Half - Why?
Feb 12, 2015
Replies
3
Views
2K
Overall Power Factor of three motors for transformer voltage drop calculation
Feb 11, 2015
Replies
3
Views
2K
ESD Standards for Components & Systems: HBM, CDM & Automotive Testing
Feb 11, 2015
Replies
2
Views
1K
What does negative voltage mean for MOSFET?
Feb 11, 2015
Replies
18
Views
9K
Attempting to fix my treadmill
Feb 11, 2015
Replies
8
Views
14K
Why would someone choose a high or low Q factor for a high or low pass filter?
Feb 10, 2015
Replies
7
Views
4K
Troubleshooting a PWM Circuit Design
Feb 10, 2015
Replies
2
Views
3K
How TVs Detect Plugged-In Headphones
Feb 10, 2015
Replies
11
Views
2K
How Does Wireless Power Transmission Work?
Feb 9, 2015
Replies
35
Views
5K
Induction Cooking, skin effect, hysteresis losses
Feb 9, 2015
Replies
1
Views
4K
RMS in AC Circuits: Why Use Square for Mean Values?
Feb 9, 2015
Replies
1
Views
1K
How to generate a pulsed signal on a function generator?
Feb 9, 2015
Replies
1
Views
1K
Induction cooking & heat distribution
Feb 9, 2015
Replies
2
Views
2K
High Frequency signal with fast risetime, its bandwidth
Feb 9, 2015
Replies
7
Views
3K
How Does Electromagnetic Torque Develop in Rotating Electrical Machines?
Feb 9, 2015
Replies
2
Views
2K
Why Is There a Huge Discrepancy in My Capacitor's Measured Capacitance?
Feb 9, 2015
Replies
7
Views
2K
How to clasify if it's an inverting/non-inverting op amp
Feb 8, 2015
Replies
33
Views
6K
How is this sound generated? / reverse engineer sound
Feb 8, 2015
Replies
7
Views
2K
Induction and flux linkage clarification
Feb 7, 2015
Replies
26
Views
7K
How can the unit of H and J be different?
Feb 7, 2015
Replies
2
Views
943
Sum of currents in protection relay
Feb 6, 2015
Replies
1
Views
2K
Someone know a bit about Generators? (windmill project)
Feb 6, 2015
Replies
2
Views
1K
AC current through AC equipment
Feb 6, 2015
Replies
14
Views
2K
Inverter high cost vs low cost performance difference
Feb 6, 2015
Replies
2
Views
3K
How Does Frequency Affect a Circuit with Capacitors and Inductors?
Feb 6, 2015
Replies
8
Views
2K
Is there a way to keep an LED turned on even when the power source is off?
Feb 6, 2015
Replies
2
Views
2K
Understanding a Colpitts oscillator
Feb 6, 2015
Replies
18
Views
3K
Frequency modulated laser - transmission of voice
Feb 5, 2015
Replies
2
Views
1K
Frequency Question -- 24 VAC, 60 Hz versus 24 VAC, 20 Hz
Feb 5, 2015
Replies
12
Views
3K
Heat simulation in electrical/mechanical engineering
Feb 5, 2015
Replies
2
Views
1K
How to simplify behavior of a field-effect transistor
Feb 5, 2015
Replies
7
Views
2K
Electromagnets in tattoo machine
Feb 4, 2015
Replies
1
Views
8K
Can You Set Up 4 DC Motors in Parallel with a Variable Resistor and LED Strip?
Feb 4, 2015
Replies
11
Views
2K
Voltage Regulation for three phase Dzn Transformer
Feb 4, 2015
Replies
2
Views
3K
How can I connect an aux to a cd changer?
Feb 3, 2015
Replies
4
Views
8K
Discharging one side of a capacitor only
Feb 3, 2015
Replies
12
Views
3K
Three phase induction motor efficiency
Feb 3, 2015
Replies
15
Views
5K
Barkhausen tubes and other unicomponent oscillators
Feb 3, 2015
Replies
43
Views
6K
Help needed with charge sensitive amplifier circuit
Feb 2, 2015
Replies
12
Views
2K
Can I Control Electrostatic Levitation with a Power Supply?
Feb 2, 2015
Replies
2
Views
2K
Induction motor generator capacitor
Feb 2, 2015
Replies
45
Views
16K
How to Activate Relay using Transistor?
Feb 2, 2015
Replies
48
Views
14K
FM transmitter not transmitting
Feb 1, 2015
Replies
3
Views
3K
Question about electricity towers and poles
Feb 1, 2015
Replies
17
Views
6K
How to drive a 115V 20A DC brushed motor with DC supply
Jan 31, 2015
Replies
1
Views
1K
Is Input to a Thermocouple a Step or Ramp?
Jan 31, 2015
Replies
3
Views
2K
Why doesn't a center tap from a transformer short when grounded?
Jan 31, 2015
Replies
7
Views
12K
Simple regenerative generator/motor system
Jan 31, 2015
Replies
12
Views
2K
PID algorithm for constant temperature controller.
Jan 31, 2015
Replies
6
Views
2K
Non-Ohmic Materials: Learn About Vanishingly Small Terms
Jan 31, 2015
Replies
3
Views
12K
Where does inductive reactance go?
Jan 31, 2015
Replies
8
Views
2K
How can I read 96 input channels with minimal hardware and noise?
Jan 30, 2015
Replies
9
Views
2K
3 Phase Induction Motor Full Load Power Factor
Jan 30, 2015
Replies
1
Views
4K
Solve Linear Motor Equations - Calculate Power & Force
Jan 30, 2015
Replies
9
Views
2K
House circuit wiring for 48Vdc and 240Vac
Jan 29, 2015
Replies
9
Views
3K
What does "Enable" mean in this picture? The EN
Jan 29, 2015
Replies
1
Views
2K
Electrostatic Precipitator to Contain Graphite Powder
Jan 28, 2015
Replies
15
Views
3K
Can We Store AC Power Like DC?
Jan 28, 2015
Replies
8
Views
7K
Understanding Snubber Circuits: Benefits & Differences
Jan 26, 2015
Replies
2
Views
2K
Waterproof iPhone case with speakers/microphone
Jan 26, 2015
Replies
3
Views
1K
Total internal confinement of magnetic field
Jan 26, 2015
Replies
40
Views
5K
Does metal film resistor work at cryogenic temperature (3K)?
Jan 26, 2015
Replies
6
Views
3K
MOSFET Properties - Turning On/Off with 2n7000
Jan 26, 2015
Replies
2
Views
2K
Solenoid vs transformer inductance
Jan 25, 2015
Replies
3
Views
4K
Using a Resistor to Power Multiple Devices: A Simple Guide
Jan 25, 2015
Replies
2
Views
1K
Transforming DC to AC: The Role of Inductors and Capacitors in RLC Circuits
Jan 25, 2015
Replies
23
Views
6K
Voltage Law & Work: Get Your Misconceptions Straight
Jan 24, 2015
Replies
11
Views
2K
Creating an electrical gag gift
Jan 24, 2015
Replies
5
Views
2K
Magnet/Electricity to rotate object 90 degrees?
Jan 24, 2015
Replies
6
Views
3K
Capturing Tiny Amounts Of Electricity At A Time?
Jan 24, 2015
Replies
11
Views
2K
How Does a Capacitor Increase Voltage in a Circuit?
Jan 24, 2015
Replies
3
Views
1K
What is the role of frequency synthesizer stages in a receiver and transmitter?
Jan 24, 2015
Replies
2
Views
4K
Working of capacitor in shock pen
Jan 24, 2015
Replies
1
Views
2K
Basic Electronics: Transistor confusion
Jan 24, 2015
Replies
2
Views
2K
Light pulse measurement equipment / circuit?
Jan 24, 2015
Replies
12
Views
3K
Series lc circuit and clamp-on ammeter
Jan 23, 2015
Replies
10
Views
2K
Is Using a Voltage Divider the Best Way to Shift Voltage for an OpAmp?
Jan 23, 2015
Replies
22
Views
4K
Understanding NPN BJT Transistor: Ic & Ib Ratios
Jan 22, 2015
Replies
3
Views
2K
Logic gate Simulation Software?
Jan 21, 2015
Replies
1
Views
1K
Maxwell 3D Analysis error -- please somebody help with the error
Jan 21, 2015
Replies
1
Views
3K
How Do Tokamak Heating and Maxwell's Equations Interact?
Jan 21, 2015
Replies
9
Views
2K
Need to calculate the resistance accross membrane in water
Jan 21, 2015
Replies
2
Views
1K
Is it possible to deflect or modulate a FM Transmission?
Jan 21, 2015
Replies
6
Views
2K
Experimenting with Current Flow in Different Geometries
Jan 21, 2015
Replies
44
Views
5K
How can I identify and fix a capacitor issue on my Kenwood A/V receiver?
Jan 21, 2015
Replies
26
Views
3K
When Does the Second Part of Maxwell's Fourth Equation RHS Not Equal Zero?
Jan 21, 2015
Replies
17
Views
2K
Superconducting magnet with HTS wire
Jan 20, 2015
Replies
5
Views
2K
Power flatscreen lcd tv by battery?
Jan 20, 2015
Replies
3
Views
2K
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