Electrical Engineering Forum

Post thread
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...
What could be draining the car battery and how can it be fixed?
  • · Replies 10 ·
Replies
10
Views
6K
How can the electric potential be constant between two points in a wire?
  • · Replies 6 ·
Replies
6
Views
2K
Whacking a Li-Ion battery
  • · Replies 12 ·
Replies
12
Views
2K
About the definition of resonance frequency
  • · Replies 40 ·
2
Replies
40
Views
6K
Help matching this circuit resonator
  • · Replies 9 ·
Replies
9
Views
2K
Can Spinning a Conductor Between Charged Plates Generate Current?
  • · Replies 5 ·
Replies
5
Views
2K
Kids Ride on Toy Car Battery/Voltage
  • · Replies 5 ·
Replies
5
Views
5K
Maxwell Equations Absorbent Boundary Conditions
  • · Replies 4 ·
Replies
4
Views
1K
Mixing 18650 and 21700 cells in same parallel pack in battery pack ok?
  • · Replies 15 ·
Replies
15
Views
3K
Relationship between SNR and shielding effectiveness
  • · Replies 2 ·
Replies
2
Views
1K
Calculating the Dielectric Strength of multiple materials
  • · Replies 13 ·
Replies
13
Views
2K
Cordless Impact Wrench Performance vs Battery (Max Current vs. Capacity)
  • · Replies 5 ·
Replies
5
Views
3K
12V DC Motor in Light Fixture with Dimmer & 12V DC to 110V AC Inverter
  • · Replies 21 ·
Replies
21
Views
2K
Directivity index of an underwater acoustic transducer array
  • · Replies 1 ·
Replies
1
Views
1K
What is Baseband RF communication?
  • · Replies 5 ·
Replies
5
Views
2K
Electric motor - variable torque vs speed
  • · Replies 13 ·
Replies
13
Views
2K
Proper Value Notation -- how to write VDC and VAC?
  • · Replies 15 ·
Replies
15
Views
8K
How do copper oxide solar cells work?
  • · Replies 2 ·
Replies
2
Views
2K
Understanding analog voltmeter calibration
  • · Replies 33 ·
2
Replies
33
Views
3K
Calculation of round slots on the rotor for a squirrel cage asynchronous motor
  • · Replies 1 ·
Replies
1
Views
1K
Why does increasing the message bandwidth decrease the FM bandwidth?
  • · Replies 5 ·
Replies
5
Views
2K
Electrostatics - Charged Plate Force Calculator
  • · Replies 4 ·
Replies
4
Views
1K
Checking this Equation for Power Factor
  • · Replies 8 ·
Replies
8
Views
2K
DC to AC in micro- and nano- scaled electric circuits
  • · Replies 1 ·
Replies
1
Views
1K
Phase Arrangement of Parallel Medium-Voltage Cables
  • · Replies 20 ·
Replies
20
Views
5K
Op Amp with frequency compensation input
  • · Replies 2 ·
Replies
2
Views
1K
How to Safely Generate High Voltage for Capacitor Testing?
  • · Replies 49 ·
2
Replies
49
Views
5K
Will voltage drop and fluctuation occur?
  • · Replies 7 ·
Replies
7
Views
1K
For those who use Atlas Silvaco
  • · Replies 3 ·
Replies
3
Views
3K
Why am I getting a "shark finn"-like signal?
  • · Replies 3 ·
Replies
3
Views
1K
Is My Thyristor Gate Driver Circuit Malfunctioning Due to Component Issues?
  • · Replies 12 ·
Replies
12
Views
2K
Interpreting electrochemical impedance spectroscopy (EIS) circuits
  • · Replies 5 ·
Replies
5
Views
2K
Where is the strongest intensity of an electromagnetic field produced by a solenoid?
  • · Replies 4 ·
Replies
4
Views
2K
Modulation & demodulation of GPS output digital data
  • · Replies 10 ·
Replies
10
Views
2K
THS3491 Amplifier Instability Issues
  • · Replies 1 ·
Replies
1
Views
1K
Can Coax-Wound Coils Prevent Radiation in Ferrite Core Magnetic Circuits?
  • · Replies 22 ·
Replies
22
Views
2K
MQA is Dead: Lessons in Bad Marketing from Audiophile World
  • · Replies 3 ·
Replies
3
Views
3K
Analog Engineers - Look at Middlebrook
  • · Replies 5 ·
Replies
5
Views
2K
Units for a vector magnitude in the s-plane
  • · Replies 7 ·
Replies
7
Views
2K
Tektronix 2465A change rear signal output
  • · Replies 7 ·
Replies
7
Views
2K
Car Modification: Using your battery to prevent rust
  • · Replies 21 ·
Replies
21
Views
2K
Laplace equation not provided in simulation
  • · Replies 1 ·
Replies
1
Views
1K
Can We Make PCB Using Paper And Pencil?
  • · Replies 13 ·
Replies
13
Views
2K
HVAC Electrical Issue: Current Leakage from Furnace
  • · Replies 79 ·
3
Replies
79
Views
7K
Energy balance in noise cancelling headphones
  • · Replies 7 ·
Replies
7
Views
3K
What do shunts in a microwave oven transformer do?
  • · Replies 27 ·
Replies
27
Views
3K
Recessed Lighting: Wiring Puzzle--How is this Possible
  • · Replies 18 ·
Replies
18
Views
2K
What are the operators here and how are these formulas derived?
  • · Replies 11 ·
Replies
11
Views
2K
Does 28 Gauge Copper Wire Work for a 2800 Turn Growler with 120V AC?
  • · Replies 8 ·
Replies
8
Views
2K
Dual voltage consumer appliance oddity
  • · Replies 31 ·
2
Replies
31
Views
3K
Shoot-Through on Synchronous Buck Converter
  • · Replies 13 ·
Replies
13
Views
3K
Does repeating a data transmission constitute spreading?
  • · Replies 2 ·
Replies
2
Views
1K
Can Graphene Wire Coils Replace Copper in Generators?
  • · Replies 15 ·
Replies
15
Views
2K
I need help troubleshooting buzzing noise in microphone
  • · Replies 7 ·
Replies
7
Views
3K
What Is the Ground in a Power Plant Schematic?
  • · Replies 5 ·
Replies
5
Views
2K
Should we change the copper wire?
  • · Replies 7 ·
Replies
7
Views
2K
Cannot lock reference signal on lock-in amplifier
  • · Replies 5 ·
Replies
5
Views
3K
Transistor radio amplifier noise in the 70s
  • · Replies 14 ·
Replies
14
Views
2K
Upright Storage of Tiny Screws Using Magnetism
  • · Replies 5 ·
Replies
5
Views
3K
Electric field around a circuit
  • · Replies 14 ·
Replies
14
Views
3K
Peltier cell in series both electrically and thermally
  • · Replies 5 ·
Replies
5
Views
2K
Magnetic equivalent circuit for a UU-core inductor
  • · Replies 7 ·
Replies
7
Views
2K
Smart Meters: Low Cell Signal Solutions and RF
  • · Replies 34 ·
2
Replies
34
Views
3K
Does constant DC current in curved wire produce EM wave?
  • · Replies 38 ·
2
Replies
38
Views
4K
Electric field calculations for a spherical grid
  • · Replies 10 ·
Replies
10
Views
2K
Optimal Laser Wavelength and Power for Insect Elimination on Skin Without Harm
  • · Replies 3 ·
Replies
3
Views
2K
If DC current is chopped on it's way to a load, what happens to the EM?
  • · Replies 7 ·
Replies
7
Views
3K
AC gaussmeter in static magnetic field
  • · Replies 21 ·
Replies
21
Views
2K
Ltspice - divided two plots from different run simulations
  • · Replies 2 ·
Replies
2
Views
2K
Custom UHF Yagi antenna build
  • · Replies 63 ·
3
Replies
63
Views
7K
Gravity Based Electricity Generator
  • · Replies 74 ·
3
Replies
74
Views
9K
Generator load sharing
  • · Replies 4 ·
Replies
4
Views
2K
A little help understanding 3 phase waveforms and summation
  • · Replies 5 ·
Replies
5
Views
3K
Silly question about series batteries
  • · Replies 29 ·
Replies
29
Views
3K
What explains the current flow in a LC circuit?
  • · Replies 4 ·
Replies
4
Views
2K
Making a Shortwave listening antenna
  • · Replies 44 ·
2
Replies
44
Views
8K
Harmonics, Interferences, Autocorrelations, FFT
  • · Replies 7 ·
Replies
7
Views
2K
Help me understand cheap boost module?
  • · Replies 9 ·
Replies
9
Views
2K
Even Engineers Doodle -- on the ICs they design
  • · Replies 4 ·
Replies
4
Views
2K
Help using Atlas Silvaco to simulate an OLED
  • · Replies 5 ·
Replies
5
Views
2K
Inrush current in a transformer chain
  • · Replies 4 ·
Replies
4
Views
2K
Optimal thin absorber of electromagnetic energy
  • · Replies 4 ·
Replies
4
Views
2K
Problem with Ansys Maxwell "current leak to the air"
  • · Replies 1 ·
Replies
1
Views
2K
How electricity distributers achieve equal phase loads?
  • · Replies 5 ·
Replies
5
Views
2K
Manually charging batteries
  • · Replies 11 ·
Replies
11
Views
2K
How to make an Electrical Diagram with added Steinmetz Circuit for a Delta 3 phase motor?
  • · Replies 0 ·
Replies
0
Views
2K
Submarine communications and RF skin depth
  • · Replies 6 ·
Replies
6
Views
3K
Electromagnetic field vs electromagnetic wave "radiation"
  • · Replies 7 ·
Replies
7
Views
2K
Calculate current through tank circuit on induction heater
  • · Replies 27 ·
Replies
27
Views
3K
Why and by how much does unbalanced current flow increase EM radation?
  • · Replies 9 ·
Replies
9
Views
2K
New High Efficiency Power Lines
  • · Replies 4 ·
Replies
4
Views
2K
Wavelet transform (CWT and DWT)
  • · Replies 4 ·
Replies
4
Views
2K
Measuring Power output of DC generator
  • · Replies 38 ·
2
Replies
38
Views
5K
Is the power delivered by 1 no. of 3 phase system the same as 3 no. of 1-phase system?
  • · Replies 16 ·
Replies
16
Views
2K
Design
  • · Replies 4 ·
Replies
4
Views
2K
Can I twist the Connecting cable with the Connecting pipe?
  • · Replies 5 ·
Replies
5
Views
2K
Li-Ion vs LiPo… why not both?
  • · Replies 3 ·
Replies
3
Views
3K
Counting of Integrated Circuits by photo or video
  • · Replies 7 ·
Replies
7
Views
2K
Reflow Oven Replaceable With A Heat Gun?
  • · Replies 7 ·
Replies
7
Views
2K
Computer Communication Theory & Information Theory - A name change?
  • · Replies 3 ·
Replies
3
Views
2K