Electromagnetism Forum

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I Force exerted by an iron core electromagnet on a ferrofluid
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A Variation of Energy for Dielectrics (Zangwill's Electrodynamics)
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I Electric field is zero in the center of a spherical conductor
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I Why is there no induced charge outside of the conductor?
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I Electric field, flux, and conductor questions
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I Trying to derive Gauss' law using a cylindrical surface
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B Do materials surrounding magnets affect how superconductors levitate?
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Why is current defined as the rate of change of charge?
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I If we take two charges and hold one still, what are the forces?
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I What is wrong with crossing electric fields? Why can't you sum them?
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I How to determine the sign of an angle in Bio Savar's law?
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I Electric field vector takes into account the field's radial direction?
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I Will this dipole rotate or change position?
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A Unifying Lagrangians in Electrodynamics: Fμν, Aμ Jμ, & Lorentz Force
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A Jackson Sec 2.6 on "general solution" of charge near sphere
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Why is there no negative sign in the Faraday's Law stated here
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I Power equation in railgun operation
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I B-Fields: Deriving Faraday's Law & Why No Work?
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I Incident electric field attenuation near a metallic plate
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B Generator stator: Copper wire or copper sheets?
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B Magnetic generator multiple poles. Cancel out or short circuit?
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I Sum of the dot product of complex vectors
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I EM equations - am I missing something?
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I Magnet through Pipe Experiment, continued
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I Question regarding the use of Electric flux and Field Lines
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I Group velocity for an electromagnetic wave inside glass
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I Understanding the Expression for a Linear EM Wave Transmission?
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I Why is my magnetic levitation experiment not working?
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A Propagation modes and linear systems
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I Derivative of the retarded vector potential
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I Something about retarded potentials for oscillating electric dipole
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B Questions regarding Magnetorheological fluids
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B A moving magnet in a linear electric field
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I Seeking the Equation of Motion for a charged mass attached to a spring
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I How to obtain Hamiltonian in a magnetic field from EM field?
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I Quantifying the magnetic force on a magnet moving through a coil?
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B Ion Trap and Time-Varying Potentials
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I Electrostatic Influence and Series-Connected Capacitors
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B Real world problem - Child's toy engine
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I Is the scalar magnetic Potential the sum of #V_{in}# and ##V_{out}##
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I Relation between electric & magnetic fields in terms of field strength
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Magnetic Flux vs Temperature Relationship in Ferromagnets
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B What parts of an EMW does a ferrite rod antenna respond to?
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I Estimation of E-field strength at a distance from dipole antenna
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I Induced Electric and Magnetic Fields Creating Each Other
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I Measuring characteristic impedance as suggested by KRAUS' book
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I Magnet falling though copper pipe
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I Dielectric breakdown voltage of air vs. Electric field in thunderstorm
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B Is the Kink in the Electromagnetic Wave Responsible for Delayed Motion?
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I Behaviour of electrons in a teltron tube
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A Does a DC supplied superconductive coil give off radiation?
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B Coulomb pressure and concentric spheres
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I Help with electromagnetics: the Poynting Vector and Ampere contradiction
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I Question regarding Electrical Resistivity of metal vapors
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I Positive Charges: Explaining Motion Despite Net Force = 0
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B Birkeland Currents Collision: Effects & Consequences
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Thread about Jackson's Classical Electrodynamics 3rd edition
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B Electric flux density and confusion about units
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B Electric flux -- Which of these three definitions is correct?
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B Magnetic Fields and Particle Movement: How Do Magnets Affect Electrons?
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I Do electrons flow in an electrical circuit?
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I Perfect conductor in rotating magnetic field
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I What is the origin of Lorenz force?
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B What is Destructive Interference?
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Resistance of a bulb 100 W, 230 V
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Maxwell's Equations, Dielectrics, Auxiliary Fields D and H
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A Compactness and complexity in electrodynamics
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I Observing Emission Spectra from Computer Screens
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I Guidance Requested on Inductance Formula for Solenoid
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I Check out this YouTube video on EM waves in free space
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I Where is Laplace's Equation Valid in Different Domains?
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I EM Power transmitted from one region to another (normal incidence)
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I Help with FLP argument of non-uniformly distributed surface charges
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B To confirm if I am correct about the role of voltage in a circuit
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A Angularly Propagating Modes In a Cylindrical Waveguide
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A Why are only TM waves allowed in this geometry? (Planar interface)
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I Divergence of the Electric field of a charged circular ring
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Magnetic Resistance Exercise Bike Theory Question
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I How Do Dielectrics Influence Electric Flux Density in Electromagnetic Theory?
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B Conductors in the triboelectric series
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Electric Field Intensity: Intersecting E-fields Explained
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I Explaining Current Behavior in an LC Circuit
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I Can a One Direction Transformer Prevent Reverse Induction in Primary Coil?
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I Electric field of uniformly polarized cylinder
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I Motion of a charged particle -- Changes in KE and PE?
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I Why does increasing resistance in a conductor decrease power dissipation?
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I Drude model with and without an electric field
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A Faraday effect breaks photon interaction laws
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Photon-photon interaction, EM frequency overlap
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I Electron two-slit experiment in classical electromagnetism
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I Classical electron uncertainty
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I Why are field lines parallel in a uniform field?
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I Induction heating vs Current heaing
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I Electronics experiment boards -- What experiment can I do with these?
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B EM Radiation Amplitude: Is Peak Related to Intensity?
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I Opaque-wall-with-hole argument from Feynman lectures
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B Understanding Flux: The Measure of Field Lines Passing Through a Surface
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I Building a Linear Induction Motor | Tips & Tricks
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B Can anyone tell me the name of this device?
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I Could Iron Filings Form Rings Around a Magnetized Sphere in Space?
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