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
Why is AC current used instead of DC for a 100W bulb?
- neduet
- · Replies 9 ·
What Does a Day in the Life of an Electrical/Electronic Engineer Look Like?
- blacksheep
- · Replies 1 ·
Air Handling Unit Test - Air Heating Problem
- JaredJames
- · Replies 3 ·
Will 22 AWG 17 Strand Wire Work In My Crimp Connector?
- roeb
- · Replies 2 ·
Solving Transformer Issue with 160KVA SOCOMEC UPS
- baroomby
- · Replies 1 ·
How to manually solder a QFN chip with a hot air gun?
- fiedel
- · Replies 18 ·
Winding your own air-core inductor
- pinchy911
- · Replies 2 ·
Why Is My 2kW Fan Heater Only Using 0.7kW?
- JaredJames
- · Replies 2 ·
How Can I Design a BLDC Motor with 300W Power, 24V Voltage, and 40 Nm Torque?
- thecoolsundar
- · Replies 3 ·
How to calculate the groundness
- pixel01
- · Replies 6 ·
Converting Thermal Conductivity to Thermal Conduction/Resistance
- hamzaaaa
- · Replies 4 ·
Why do neutral and ground short together on heating unit chassis?
- monus76
- · Replies 2 ·
Transistor Switch for R2R Ladder DAC Circuit
- khaing071
- · Replies 6 ·
Extending 38kHz IR transmitter range from 50cm to 5m with 9V battery
- aruna1
- · Replies 12 ·
What are the differences between alternators, generators, and dynamos?
- davidcowling
- · Replies 6 ·
What areas of electromagnetism and electricity need more research?
- Skynt
- · Replies 1 ·
Schematics of cell phone jammer and small and simple walkie talkie
- Ibn-ul-hathim
- · Replies 2 ·
How can I identify unknown transistors with markings G9012 and sts9014c?
- m718
- · Replies 1 ·
Stepper motor stepping uniformity
- StealthRay
- · Replies 4 ·
Why use multiple small LEDs instead of one large LED
- FulhamFan3
- · Replies 6 ·
Design an Ammeter - Know How to Measure Current
- cks
- · Replies 2 ·
Eliminating Power Line Noise in Sensitive Equipment for Scientists
- 0xDEADBEEF
- · Replies 18 ·
Applying enamel coating to 8AWG transformer wire for 150A windings
- microfracture
- · Replies 6 ·
Difference Between Analog and Digital Technology
- modulus
- · Replies 5 ·
What is the difference between a solid state relay and a semiconductor
- Josh111
- · Replies 1 ·
555 Oscillator Frequency Fluctuating Rapidly
- saad87
- · Replies 10 ·
How Can I Design a Powerful Yet Low-Power Electromagnetic Lock?
- felix_cat
- · Replies 41 ·
Buttons activating by touching a wire
- Briant22
- · Replies 4 ·
Quick query regarding voltage sources
- agrocadabra
- · Replies 6 ·
How can i figure the current loss of a power supply?
- seetherulez
- · Replies 6 ·
Connecting Dual Supply Opamps in a Single Supply Circuit with Transistors
- m718
- · Replies 3 ·
Op Amp Current Supply - Is 3 Amps Too Much?
- m718
- · Replies 7 ·
Half Power frequencies for a parallel RLC circuit
- kthouz
- · Replies 12 ·
Solar energy discussion
- jolvski
- · Replies 3 ·
How to caculate the needed capacity of the SD flash memory card
- mz8e08
- · Replies 4 ·
Where Does the Missing Energy Go When Capacitors are Connected in Parallel?
- asifshaik
- · Replies 8 ·
Hi therei need to know when capacitor is used in A.C CIRCUIT
- monus76
- · Replies 2 ·
Electrical Systems questions (wind turbines)
- davidcowling
- · Replies 8 ·
Programming light sensors for robot
- DrDanger
- · Replies 3 ·
Calculating Current from a Capacitor Bank: Tolerate My Ignorance Wise Ones
- kenw232
- · Replies 1 ·
Questions on Loudspeaker Diaphragm Movement
- rockerboi
- · Replies 13 ·
Which Wattage Resistor is Best for a Noiseless Filter Design?
- m718
- · Replies 3 ·
Cascading two HF photo-amplification stages (opamp-based)
- nitin.jain
- · Replies 20 ·
Replacing LM324N with Better Opamp
- m718
- · Replies 1 ·
More Questions about Protective Relays
- Josh111
- · Replies 2 ·
Why does current flow from positive to negative and what does one ohm of resistance mean?
- DrDanger
- · Replies 2 ·
Low current charge transfer circuit charging and discharging in same pulse
- Ravaner
- · Replies 12 ·
What is the difference between emf and voltage?
- sphyics
- · Replies 9 ·
How to improve signal to noise ratio in a single opamp microphone amplifier
- m718
- · Replies 10 ·
Removing grounding plug from cord - stupid, but illegal?
- KingNothing
- · Replies 6 ·
Can I Safely Use 3.16 Amps with My AC/DC Laptop Power Supply?
- hover
- · Replies 2 ·
Ohmic Losses In Capacitor Discharge
- axi0m
- · Replies 8 ·
Piezos like pvdf's can be fabricated as a rod rather than a strip?
- Nick Bruno
- · Replies 2 ·
Why Did Turning Off My Heater Silence My YouTube Video?
- imiyakawa
- · Replies 1 ·
Using a MOSFET and comparator together as a switch
- Shinnog
- · Replies 3 ·
Final year project ideas using Zigbee or DTMF for power conservation and machine control
- suresh2588
- · Replies 1 ·
How to change a manual knob to BNC connector
- TChi
- · Replies 16 ·
Cleaning Rod lenses in optics equipment
- xusmee
- · Replies 6 ·
Problem with air core transformer
- Idea04
- · Replies 4 ·
What is the Short Circuit Capacity for a 24 kW 3-Phase Generator?
- Josh111
- · Replies 4 ·
Simulated many preamps from the web on TINA
- m718
- · Replies 3 ·
How Does Electric Power Generation Work?
- NotoriousNick
- · Replies 1 ·
Generator loss of exitation protection
- Josh111
- · Replies 1 ·
Paralleled Generator Protection
- Josh111
- · Replies 9 ·
Voltage source -> Ideal switch -> Resistance = Reactive power
- foges
- · Replies 3 ·
Can a Variac handle the current output of a 2300V microwave oven transformer?
- axi0m
- · Replies 38 ·
Why Do Compact Fluorescent Lamps Striate When Connected to Dimmer Circuits?
- NotoriousNick
- · Replies 1 ·
Masters thesis topic ideas for electric power distribution
- milesba44
- · Replies 3 ·
Why classical gates are irreversible?
- markoX
- · Replies 3 ·
Switcing DC on an off repeatedly 'laymans question'
- Robin07
- · Replies 3 ·
What are load calculations for a transformer?
- shaibaaz3
- · Replies 3 ·
Signal that is a sine wave plus an offset
- 0xDEADBEEF
- · Replies 8 ·
Constant output voltage from a variable output voltage source
- _HL4E_HalfLife_
- · Replies 3 ·
Where Can I Find Small Ferrite Bobbin Cores for Prototype Projects?
- pinchy911
- · Replies 1 ·
RF testing: Balistics Gel for human analog?
- fizz_it
- · Replies 5 ·
Is a Career in Digital Signal Processing Right for You?
- Blade_Runner
- · Replies 8 ·
Parallel Capacitors: Do I Need a Resistor for Simulation?
- m718
- · Replies 2 ·
Finding the Right Filter for -140 dB 60 Hz Attenuation
- m718
- · Replies 18 ·
ANSYS for MEMS (Especially Electrostatic)
- jstippey
- · Replies 7 ·
E field profile in a capacitor with two different dielectric material
- enroger0
- · Replies 2 ·
Calculating Charge Density in Fluids
- Shelnutt2
- · Replies 10 ·
How to reproduce a battery with a power supply
- cougarrcsnva
- · Replies 2 ·
Mutual Inductance (Two coils connected in parallel to source)
- jake.davidoff
- · Replies 4 ·
Circuit diagram for a power supply that outputs about 25kv
- wolram
- · Replies 17 ·
Smoothing Half Wave AC Voltage with Inductor - Any Ideas?
- ws0619
- · Replies 2 ·
Starting a 12V DC Motor: Do You Need a Rheostat or Face-Plate Starter?
- StealthRay
- · Replies 4 ·
Will 100/5 current transformers burn up connected to an overload relay?
- Josh111
- · Replies 8 ·
Can a multivibrator generate 38kHz for TSOP1738 IR transmission?
- aruna1
- · Replies 11 ·
Advice on building a 1.4T electromagnet
- ephedyn
- · Replies 10 ·
Inductor or Ballast: What Does Choke Mean?
- monus76
- · Replies 1 ·
How Do Coil Architecture and Pole Orientation Affect Magnetic Field Dynamics?
- Robin07
- · Replies 1 ·
How is energy stored and retrieved from a superconducting loop?
- Mr 4738
- · Replies 6 ·
Electromechanical considerations
- Pythagorean
- · Replies 8 ·
Calculating wire lenght for an air core inductor
- Robin07
- · Replies 12 ·
Optical mouse into pen tablet. How?
- johnsmi
- · Replies 3 ·
Calculating magnetomotive force in a transformer
- bitrex
- · Replies 1 ·
LED indicator for capacitor fully charged detection
- axi0m
- · Replies 7 ·
Why subtract β z in the circular polarization wave equation
- jeff1evesque
- · Replies 3 ·
Extract signal components with matching phase from two signals
- sodemus
- · Replies 20 ·
2 inputs to one headset control
- noagname
- · Replies 8 ·