Electromagnetism Forum

Post thread
Does Microwave Mesh Effectively Block Radiation Due to Wavelength or Amplitude?
  • · Replies 5 ·
Replies
5
Views
4K
Can a 3V/m Electric Field Detector Detect Someone on the Other Side of a Wall?
  • · Replies 15 ·
Replies
15
Views
3K
Question regarding Energy in Circuits with Capacitors
  • · Replies 2 ·
Replies
2
Views
1K
What evidence is there for electrons being particles?
  • · Replies 8 ·
Replies
8
Views
9K
Kirchhoff's Voltage Law Integral help
  • · Replies 6 ·
Replies
6
Views
2K
Particles with electric charges visible to the human eye?
  • · Replies 20 ·
Replies
20
Views
4K
Electromagnet pull force calculation:
  • · Replies 5 ·
Replies
5
Views
28K
Electric Pressure on a Charged Surface due to External EF
  • · Replies 3 ·
Replies
3
Views
1K
Detectors used for the electron double slit experiment
  • · Replies 11 ·
Replies
11
Views
6K
Making a Magnetoplasmadynamic (Plasma) Thruster?
  • · Replies 15 ·
Replies
15
Views
4K
Velocity of charge at the center thrown from far away point
  • · Replies 20 ·
Replies
20
Views
2K
Ions & Lorentz Force: Collisions w/ Oppositely Charged Electrodes
  • · Replies 4 ·
Replies
4
Views
1K
Can conductors be accelerated enough to emit electrons?
  • · Replies 7 ·
Replies
7
Views
1K
Magnetic dipole moment derivation
  • · Replies 4 ·
Replies
4
Views
3K
Solve Image Charge Problem with Method of Images
  • · Replies 1 ·
Replies
1
Views
1K
Electric field inside perfect conductor with inductance
  • · Replies 20 ·
Replies
20
Views
4K
Would this work to decrease air resistance in sports cars?
  • · Replies 11 ·
Replies
11
Views
2K
What is the explanation for the electrostatic force between two charged bodies?
  • · Replies 14 ·
Replies
14
Views
2K
Piezoelectric strain rate and frequency of applied voltage
  • · Replies 2 ·
Replies
2
Views
2K
Magnetic Field Torque: Surrounding vs. Net Vector Addition?
  • · Replies 8 ·
Replies
8
Views
1K
Heat as Electromagnetic and Molecular Kinetics
  • · Replies 1 ·
Replies
1
Views
1K
Electromotive force in a moving bar
  • · Replies 4 ·
Replies
4
Views
1K
Infintite plane of charge guass law
  • · Replies 5 ·
Replies
5
Views
1K
Electric and magnetic field connection
  • · Replies 12 ·
Replies
12
Views
2K
Waves on a string and frequency
  • · Replies 2 ·
Replies
2
Views
1K
What is the medium that allows electromagnetic waves to propagate?
  • · Replies 1 ·
Replies
1
Views
2K
Earth's Magnetic Field: Why Only Earth?
  • · Replies 6 ·
Replies
6
Views
1K
Where Does the Extra Energy in a Capacitor Come From?
  • · Replies 3 ·
Replies
3
Views
1K
How electrons show wave phenomenon within an atom?
  • · Replies 6 ·
Replies
6
Views
2K
Electromagnet which produces varying magnetic flux
  • · Replies 2 ·
Replies
2
Views
898
On the Electric Displacement Vector D=E+4*pi*P
  • · Replies 5 ·
Replies
5
Views
4K
Is Work Required to Move Capacitor Plates Apart?
  • · Replies 11 ·
Replies
11
Views
7K
Suggests topics in Electrodynamics
  • · Replies 1 ·
Replies
1
Views
1K
Refrigerator magnets with four poles apiece
  • · Replies 9 ·
Replies
9
Views
1K
Maxwell's equation of magnetic field
  • · Replies 1 ·
Replies
1
Views
1K
On the Pole Method of Magnetostatics and Permanent Magnets
  • · Replies 1 ·
Replies
1
Views
1K
Potential Difference and flow of current
  • · Replies 3 ·
Replies
3
Views
1K
Electromagnetism question (specifically receivers)
  • · Replies 6 ·
Replies
6
Views
1K
Coulomb gauge derivation (static field)
  • · Replies 1 ·
Replies
1
Views
3K
Energy transfer from photon to an electron
  • · Replies 25 ·
Replies
25
Views
5K
Electric arc in 0 gravity? Curved or straight?
  • · Replies 32 ·
2
Replies
32
Views
4K
Force on magnet in magnetic field
  • · Replies 5 ·
Replies
5
Views
1K
What can I make to keep track of time without electricity
  • · Replies 48 ·
2
Replies
48
Views
8K
Free electron laser weapon -- operating wavelength for the US navy's 1MW FEL?
  • · Replies 2 ·
Replies
2
Views
1K
Question about electromagnetism
  • · Replies 2 ·
Replies
2
Views
1K
Electrostatic analysis of cad model of protons neutrons
  • · Replies 2 ·
Replies
2
Views
1K
Are a substance's electrical and heat conductivity related?
  • · Replies 1 ·
Replies
1
Views
1K
Magnetic Monopoles: Existence, Electric & Magnetic Fields
  • · Replies 2 ·
Replies
2
Views
1K
Which direction does a charged particle move in a magnetic field?
  • · Replies 1 ·
Replies
1
Views
1K
Radial dependencies with electric field
  • · Replies 1 ·
Replies
1
Views
1K
Relationship of voltage and resistance
  • · Replies 41 ·
2
Replies
41
Views
58K
EM wave shielding & skin depth
  • · Replies 16 ·
Replies
16
Views
2K
Distance of Closest Approach Between Two Charges
  • · Replies 70 ·
3
Replies
70
Views
11K
Force between charges with two dielectric media
  • · Replies 2 ·
Replies
2
Views
3K
Why Do Magnets with Different Field Homogeneities Experience Equal Attraction?
  • · Replies 5 ·
Replies
5
Views
1K
Are Electrons in Different Energy States Responsible for Variations in Power Output?
  • · Replies 5 ·
Replies
5
Views
3K
The Inner Workings of a Voltmeter: Demystifying the Conversion from Galvanometer
  • · Replies 6 ·
Replies
6
Views
2K
Faraday Cage in Ionic Solution
  • · Replies 2 ·
Replies
2
Views
1K
Is heat by conduction an electromagnetic wave?
  • · Replies 2 ·
Replies
2
Views
1K
Field form in the optic fibers from Maxwell's equations
  • · Replies 1 ·
Replies
1
Views
2K
Need help conceptualizing constant voltage in hollow sphere
  • · Replies 1 ·
Replies
1
Views
1K
Deriving capacitor and inductor models from Maxwell's eqs
  • · Replies 7 ·
Replies
7
Views
3K
What is the self inductance of a circular loop of wire?
  • · Replies 3 ·
Replies
3
Views
14K
Does diameter of air coil in electromagnet affect strength?
  • · Replies 2 ·
Replies
2
Views
4K
Magnetic field lines form loops?
  • · Replies 10 ·
Replies
10
Views
3K
Why V=max inside a charged sphere?
  • · Replies 9 ·
Replies
9
Views
2K
Electrostatic Forces: Attraction vs Repulsion
  • · Replies 3 ·
Replies
3
Views
2K
Does the Current Stay Constant in Series Resistors Connected to an Insulator?
  • · Replies 9 ·
Replies
9
Views
1K
Resistance in Parallel Equation
  • · Replies 4 ·
Replies
4
Views
2K
How do electromagnetic waves transfer energy?
  • · Replies 7 ·
Replies
7
Views
4K
Penetration of magnetic field into a plasma?
  • · Replies 3 ·
Replies
3
Views
1K
Charging of capacitors in series
  • · Replies 2 ·
Replies
2
Views
1K
Magnetostatics: Finding B field using Amperes Circuital Law
  • · Replies 7 ·
Replies
7
Views
2K
Upward force due to rotating magnetic field
  • · Replies 4 ·
Replies
4
Views
2K
Light interaction with charged particles
  • · Replies 1 ·
Replies
1
Views
1K
Electric field in coaxial cable
  • · Replies 2 ·
Replies
2
Views
5K
Electromagnetism's repulsive force
  • · Replies 12 ·
Replies
12
Views
2K
How conductors/resistors affect electric fields?
  • · Replies 1 ·
Replies
1
Views
3K
Does a magnetic field always do work?
  • · Replies 11 ·
Replies
11
Views
3K
Charge density and electric field
  • · Replies 3 ·
Replies
3
Views
5K
Distribution of force acting upon two charged objects
  • · Replies 3 ·
Replies
3
Views
1K
Special Repelling Magnet Shoes
  • · Replies 39 ·
2
Replies
39
Views
14K
How to find electrostatic interaction energy?
  • · Replies 38 ·
2
Replies
38
Views
9K
Puzzle. Electrical VS solid bar switch.
  • · Replies 4 ·
Replies
4
Views
1K
Please help me with this doubt from electrostatics
  • · Replies 2 ·
Replies
2
Views
1K
Electromagnetic radiation pressure
  • · Replies 1 ·
Replies
1
Views
1K
When can I use Helmholtz equation for electromagnetics
  • · Replies 3 ·
Replies
3
Views
2K
Marginal inductance and capacitance of a real wire?
  • · Replies 8 ·
Replies
8
Views
2K
Why isn't this largest voltage source given as negative?
  • · Replies 1 ·
Replies
1
Views
1K
Magnetic permeability Vs. Magnetic susceptibility
  • · Replies 3 ·
Replies
3
Views
3K
Why does Ohm's law not apply to transformers?
  • · Replies 6 ·
Replies
6
Views
2K
Which Way Does the Current Inside the Earth Flow?
  • · Replies 1 ·
Replies
1
Views
1K
Nonlinear electric susceptibility and degenerate frequencies
  • · Replies 3 ·
Replies
3
Views
2K
Compress ions in velocity space with magnetic field?
  • · Replies 1 ·
Replies
1
Views
1K
Accelerating charge emits em waves or pulse
  • · Replies 6 ·
Replies
6
Views
2K
An Implementation of Maxwell's Demon
  • · Replies 1 ·
Replies
1
Views
1K
Striations in cathode ray discharge
  • · Replies 3 ·
Replies
3
Views
3K
How Does a High-Intensity Laser Interact with an Electron Cloud?
  • · Replies 3 ·
Replies
3
Views
2K
Gauge Invariance for field of *Uncharged* particles?
  • · Replies 3 ·
Replies
3
Views
1K
Why energy is lost in capacitor if wires have no resistance?
  • · Replies 11 ·
Replies
11
Views
2K