Electromagnetism Forum

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Magnetic flux through a rotating bar
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What Causes the Strange Sound When Magnets Are Used with Headphones and a Disc?
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13
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Electron beam energy to acceleration potential relation
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Dielectric or Piezoelectric: What's the Difference?
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Static Electricity powered toy car project for school
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Coil resistance increases from 54 ohms to 8k at 220kHz, why?
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Eventually do magnetic insulators exist?
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Electrical Power Loss Equations Confusion
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Magnetic Dipole Field from a Loop of Wire
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How does electric current flow through a conductor
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How does Lenz's law delay coil field collapse in magnetos?
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How is Light (electromagnetic waves) generated by electrons
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Calculating Capacitors for Wave Energy Collectors
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18
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Electric motor: power and RPMs
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17
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Relation between sound intensity and frequency
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Thompson's Absolute Electrometer
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Bar magnet wrapped in electromagnetic coil
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Help clarifying capacitors, dielectrics, E field, potential
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Clarification between electric field and potential energy
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Why is there reverse current in diode equation?
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General questions with currents
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Ideal gas pressure from Maxwell-Boltzmann distribution
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4
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Why Can't a Photon Be Completely Absorbed by a Free Electron?
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Electric field of a point charge above a plane conductor
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How does a battery push charges? Potential difference?
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Magnetic alignment of steel question
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Magnetic levitated electric wire
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Does there exist any electric field inside a charged conductor?
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Discover the Power of Magnetic Locks: 650-1000 lbs of Force
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40
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About uniform electric field between parallel plates
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7
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Humidity & Discharge: Molecular Mechanism & Role of Polarity
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15
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Propagation of EM Waves in metamaterials
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Book Hunt: Statistical Treatment of Macroscopic Maxwell Eqns
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Electric/Magnetic field Inverse square
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5
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Electrostatics/Magnetostatics - E,D,P and B,H,M
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Calculation of temperature of a current-carrying wire
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Induced Magnetic Field: Moving Arbitrary Conductors in Nonuniform Fields
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Photoelectric effect : retarding potential with back current
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Potential due to a uniformly charged flat disk
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Dielectric tensor in an isotropic media
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What do you mean by force "between" two charges?
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Curl of the Magnetic Field of an Infinite Wire
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Why don't I hear beats when singers or instruments play the same note?
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10
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Why a E field cannot hold a charge in space?
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6
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Coulomb's law without a pure inverse square relationship?
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4
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Electric or magnetic field pulse generetor
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16
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Calculating Induced Electric field
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4
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Electric Element Voltage Specifications?
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8
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Does the Lorentz Force Affect Both the Wire and Loop in a Current Loop Setup?
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Physical degrees of freedom of an Electromagnetic field
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Does an electromagnetic shield reflect?
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4
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Total energy of a shell charge
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Electric field by continuous charge distributions.
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2
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Confusion over electric field inside a charged shell
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6
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Why Does Charge Only Distribute on the Outer Surface of a Conducting Shell?
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3
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Induced charge density -- non-zero potential case
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Is Work Done by a Voltage Source Positive or Negative When Current Opposes EMF?
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4
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Neodymium magnet partial shielding
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Bull charging and you charge the bull
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40
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Can one cathode transfer electrons to multiple anodes
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6
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How do changing magnetic fields affect the speed of motors?
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29
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4K
Electric field due to plane of charge
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Thermal resistance without area
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The KE of an electron accelerated by an electric field
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What is the Mistake in My Electric Potential Problem Calculation?
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What does Griffith mean by this hint? [Electrodynamics]
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Plasma arc with multiple electrodes
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Cherenkov Radiation and Non-Dielectric Materials
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Can the presence of a field be detected w/o any charge?
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12
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Fluid that emits light when applied voltage, got tips?
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2
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Looking for guidance on electrical impedance
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2
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964
Estimating # of photons/electron from magnetron.
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2
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Change in direction of electric field on conductor surface
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18
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Do ferromagnetic materials do "spatial averaging"?
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Electrical Potential Energy and Electric Potential
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Solutions of wave equation but not Maxwell equations
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Does a battery exert energy keeping a capacitor charged?
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What is the difference btwn positive and negative electrodes
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Function of the Electromagnetic spectrum
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Maxwell eqs. - integral formulation in dynamics
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16
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X-ray tube flux and my experimental test setup
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2
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The direction of electric dipole moment of water molecule
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7
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Inductor leading lagging voltage-current
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Thought experiment: charged particles
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19
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Circular motion of an electron in a magnetic field
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Can Matter-Antimatter Annihilation Yield High Energy Output per Gram?
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3
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Calculating Magnetic Field Strength from FFT
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10
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Charge accumulation for in series batteries
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6
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The functional form for dependence of force on Current?
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4
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Capacitance of parallel plate capacitor separated by
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Can prisms separate out radio and gamma rays?
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3
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Electroplating - radioactive materials in my drawer?
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10
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Magnetic field due to electron?
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4
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How to calculate the voltage needed to create a plasma
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Modelling eddy currents in a pendulum
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Is the Energy of Gamma Rays and Radio Waves Equivalent with Equal Amplitudes?
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19
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Why can't we define a kg as a multiple of the electron mass
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7
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Interaction between a neutral atom and an external magnetic field
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2
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Can a magnet have more push force than it weighs?
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9
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Does a wire loops' magnetic field affect it's current?
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1
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