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Engineering
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
Independence of Currents in Inductor-Switch Circuit
Mar 24, 2018
Replies
3
Views
1K
How can I make my homemade electromagnets repel each other?
Mar 24, 2018
Replies
6
Views
2K
Power requirements for an electric trike
Mar 23, 2018
Replies
3
Views
1K
Electric Gauntlet for Phone, Flashlight & Laser Pointer: Battery Selection Guide
Mar 23, 2018
Replies
18
Views
2K
Old 6 volt auto headlight in series with 1154 on 12 volts
Mar 22, 2018
Replies
2
Views
2K
Simulation of transistor switch circuit
Mar 21, 2018
Replies
5
Views
4K
Power supplied by AC component + DC component = total power?
Mar 21, 2018
Replies
6
Views
4K
Where to Learn how to Design Circuits?
Mar 20, 2018
Replies
7
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2K
Method for testing discharge resistors in 3 phase capacitors
Mar 20, 2018
Replies
12
Views
4K
Ampere turn balance (MMF balance) in transformers
Mar 20, 2018
Replies
36
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12K
Creating a Multi-Radio Wave Demonstration: How to Find the Right Machine
Mar 19, 2018
Replies
13
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2K
Can self induction increase power consumption?
Mar 19, 2018
Replies
5
Views
2K
Finding the Torque vs RPM curve for a 3-phase AC induction motor
Mar 18, 2018
Replies
4
Views
3K
Third Order Intercept - Use Peaks or RMS?
Mar 18, 2018
Replies
11
Views
2K
Weird circuit board with only resistors
Mar 18, 2018
Replies
8
Views
2K
Hello, how can I replace a variable capacitor with a varicap
Mar 17, 2018
Replies
49
Views
9K
Simulation Software for a Permanent Magnet Alternator Design
Mar 17, 2018
Replies
7
Views
4K
Help understanding auto transformer shorting
Mar 16, 2018
Replies
23
Views
3K
How does does a DC generator work?
Mar 16, 2018
Replies
5
Views
2K
Help with reducing AC Mains voltage sag at large chiller motor startup
Mar 16, 2018
Replies
13
Views
2K
Serl Effect Generator: What Is It?
Mar 16, 2018
Replies
4
Views
1K
Understand the Current Consumption of an IC in its Datasheet
Mar 15, 2018
Replies
5
Views
5K
Understanding Dual Output Zener PSU
Mar 15, 2018
Replies
7
Views
4K
Mutual Inductance of Coaxial Tube and Coil
Mar 15, 2018
Replies
1
Views
2K
Question about measuring the internal resistance of power supplies
Mar 14, 2018
Replies
8
Views
5K
How Has Television Technology Evolved Over the Years?
Mar 14, 2018
Replies
21
Views
5K
Transformer equations in the Hughes book
Mar 14, 2018
Replies
2
Views
2K
How to wire two female USB connectors togather
Mar 13, 2018
Replies
8
Views
2K
How and Why Peltier Tiles work?
Mar 13, 2018
Replies
1
Views
3K
There is more to Kirchoff than a law....
Mar 12, 2018
Replies
2
Views
1K
Refractive Index of Coaxial Cable
Mar 12, 2018
Replies
3
Views
3K
LC circuits in series with Diodes
Mar 11, 2018
Replies
30
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5K
Find Iron Core Plates for Transformer Prototypes - Top Sources Listed Here!
Mar 11, 2018
Replies
4
Views
1K
Circuit comparison in everycircuit
Mar 11, 2018
Replies
2
Views
1K
What to do with all this scrap?
Mar 10, 2018
Replies
5
Views
1K
Resistance of a tungsten filament bulb at 20 C
Mar 10, 2018
Replies
25
Views
19K
How can I get 12V 1A charging voltage from USB?
Mar 7, 2018
Replies
40
Views
5K
How Can Optimal Control Schemes Enhance Energy Storage System Combinations?
Mar 7, 2018
Replies
7
Views
2K
Partial discharge material limiting values
Mar 7, 2018
Replies
6
Views
2K
Series diode and a low power device
Mar 7, 2018
Replies
10
Views
2K
Possible webpage title: Troubleshooting Synchro Signal Voltage Loss in System A
Mar 6, 2018
Replies
2
Views
1K
Lagging or leading synchronous generator
Mar 6, 2018
Replies
2
Views
3K
Increasing The Capacitance In A Voltage Booster
Mar 5, 2018
Replies
3
Views
1K
Why is the AC phase hotter than neutral when unplugged?
Mar 3, 2018
Replies
17
Views
3K
Difference between a circuit breaker and a load break switch?
Mar 3, 2018
Replies
11
Views
9K
Child Safe - RTS motor - roller shutter - shelf shutter
Mar 2, 2018
Replies
5
Views
2K
What Formulas Help Calculate Voltage Drop with Multiple Resistors in Series?
Mar 1, 2018
Replies
3
Views
3K
Bridge Rectifiers: How Do They Work?
Mar 1, 2018
Replies
6
Views
3K
Enlighten me about the differences of IGBT and MOSFET please
Mar 1, 2018
Replies
2
Views
2K
Where Can I Find a Step-Up Adapter for 12V to 400V Charging?
Mar 1, 2018
Replies
11
Views
2K
Can Rogowski Coils Be Used Without an Integrator for HOKA Applications?
Feb 28, 2018
Replies
4
Views
3K
What Software Can Simulate EM Wave Interactions in a Faraday Cage?
Feb 28, 2018
Replies
3
Views
3K
Understand AC Transformer Polarity for Three-Phase Connections
Feb 27, 2018
Replies
18
Views
5K
RF Tuner: Adjacent Channel Interference Rejection Filters
Feb 27, 2018
Replies
24
Views
4K
Need help with a homemade DC motor
Feb 27, 2018
Replies
10
Views
3K
Switch mode DC transformer equations?
Feb 26, 2018
Replies
10
Views
2K
How does an Electric Bell use the Motor Effect?
Feb 26, 2018
Replies
4
Views
3K
Is the STMicroelectronics L7912CV Voltage Regulator Suitable for a +12V Output?
Feb 26, 2018
Replies
6
Views
2K
Wanted: Instructions for Leybold PGA 100 mass spectrometer
Feb 25, 2018
Replies
14
Views
2K
Phosphor screen, hazards and demonstrations?
Feb 23, 2018
Replies
5
Views
2K
Two like capacitors in parallel
Feb 23, 2018
Replies
13
Views
2K
Mosfet conduction vs Drain voltage
Feb 23, 2018
Replies
7
Views
2K
Why is the Anode of an LED Connected to Positive?
Feb 22, 2018
Replies
20
Views
8K
Hi, can somebody help to measure varicap diode
Feb 22, 2018
Replies
6
Views
3K
Need to find an old variable capacitor
Feb 21, 2018
Replies
46
Views
7K
Are the terminals of a Battery neutral?
Feb 20, 2018
Replies
27
Views
6K
Is it possible to eliminate back EMF in a transformer and achieve free energy?
Feb 19, 2018
Replies
12
Views
2K
Why does conducting liquid moving in a loop produce DC
Feb 19, 2018
Replies
1
Views
1K
Lemon Battery Voltage: Why More Resistance?
Feb 19, 2018
Replies
13
Views
4K
Amplifying the voltage from a homemade battery.... In rural Africa
Feb 18, 2018
Replies
27
Views
4K
Can a 24V 30A Dimmer Switch Handle the Starting Current of a 500W 24V Motor?
Feb 14, 2018
Replies
7
Views
2K
Magnetic encoder signal processing
Feb 13, 2018
Replies
2
Views
2K
Potentiostat and powersource in electrochemical cell
Feb 13, 2018
Replies
7
Views
1K
Voltage Output in subtractor photocircuit
Feb 13, 2018
Replies
1
Views
2K
Modify Phone Battery: Is It Safe?
Feb 13, 2018
Replies
6
Views
2K
Need tutorial for magneto static simulation of C-core (Imag)
Feb 12, 2018
Replies
2
Views
1K
Modified sine wave vs pure sine wave inverter
Feb 11, 2018
Replies
5
Views
2K
Voltage Doubler help: 6V ac 36W alternator in ~ 12V dc out
Feb 11, 2018
Replies
10
Views
3K
How does an opamp work as non-inverting amplifier
Feb 10, 2018
Replies
11
Views
3K
Why are the motor brushes not placed in the magnetic neutral axis?
Feb 10, 2018
Replies
5
Views
5K
What are the safety precautions for handling a shaded-pole motor?
Feb 10, 2018
Replies
6
Views
3K
Cell Phone Tower Communication: How Does it Work?
Feb 8, 2018
Replies
1
Views
3K
What happens when you insulate the rails of a DC electric train?
Feb 8, 2018
Replies
1
Views
2K
Current to Voltage and Voltage to Current Converters
Feb 8, 2018
Replies
16
Views
3K
Why is there confusion about capacitors and potential difference between plates?
Feb 8, 2018
Replies
9
Views
4K
Hi, can somebody explain this RLC circuit to me?
Feb 7, 2018
Replies
7
Views
2K
Synchronous Generator Short Circuit - Hazards
Feb 7, 2018
Replies
7
Views
2K
What is the optimal RPM for charging a battery with an automotive alternator?
Feb 7, 2018
Replies
6
Views
2K
Which is better -- amp ground connected to frame or battery?
Feb 6, 2018
Replies
28
Views
45K
Questions about Using My Multimeter
Feb 6, 2018
Replies
19
Views
3K
DC Blocking Capacitor: Solving a Photodiode Circuit Problem
Feb 6, 2018
Replies
24
Views
4K
Meaning of the FFT of a Poynting Vector integral, reflection coefficient
Feb 6, 2018
Replies
8
Views
2K
Measuring 800V AC signal with 16-bit DAQ card within 1% accuracy
Feb 5, 2018
Replies
7
Views
2K
Load resistance and current “draw”
Feb 5, 2018
Replies
8
Views
6K
Magnetic field put off by high current (causing cross-talk between wires)
Feb 5, 2018
Replies
2
Views
2K
Understanding AC Polarity and Ground Bonding in Electrical Circuits
Feb 5, 2018
Replies
13
Views
4K
Where Did I Go Wrong in My RF Amplifier Power Calculations?
Feb 4, 2018
Replies
10
Views
2K
What Does Ground Mean in Electrical Terms?
Feb 4, 2018
Replies
38
Views
6K
Off-Center Fed Dipole vs Standard Center Fed Dipole
Feb 4, 2018
Replies
7
Views
5K
How Batteries Work: An Electrochemical Explanation
Feb 3, 2018
Replies
3
Views
2K
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