Electromagnetism Forum

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Undergrad Geometry of Magnetic field lines as they approach a magnet pole?
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Undergrad When to properly use "voltage"
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Undergrad Railgun: Significant magnetic field where projectile is?
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High School Why can only the electric field (E) be measured?
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Undergrad Circular loop in uniform magnetic field
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Undergrad Is the magnetic field from this current rotationally symmetric?
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Graduate General solution to Laplacian in cylindrical coordinates
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Undergrad Do you think emissivity of air makes sense?
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Undergrad Electricity and Magnetism: Verifying the Inverse Square Law
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Undergrad Can the Last Maxwell's Equation Explain Polarization of a Wire's Insulator?
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High School Understanding the Relationship Between i*cos and sin in Circuit Analysis
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Undergrad Inductance Measurement: Error Due To Series Resistance
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Undergrad Ampere's Law For Static Magnetic Field
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Graduate Voltage and current waves in a transmission line
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Undergrad Guiding center motion of charged particles in EM field
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High School Designing a current sensor for 50mA up to several dozen Amps
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Undergrad Power Loss Due to An Eddy Current
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Graduate Green's function for problems involving linear isotropic media
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3
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Undergrad Question about Coloumb's law notation and math in two different textbooks
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4
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Undergrad Faraday cage continuity question
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11
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Graduate Why is "method of image current" valid in magnetostatics?
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4
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Undergrad Rate of work done by F on charge carrier with average velocity v
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6
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Undergrad Will insulation on electric power lines affect the flow of power?
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5
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High School Melting a nail with high currents
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3
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High School Coulumb's Law at 1 light year distance
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8
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Undergrad Resulting magnetic field due to the passage of an AC current
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27
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Water bending with comb: but where do the electrons go?
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Undergrad Help working on this example exam please
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Undergrad An attempt to understand the associated variable conventions in circuits
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Undergrad Is this example incorrect in Agawal's book on electric circuits?
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Undergrad Why is there a freedom to choose gauge in gauge transformation?
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Undergrad Magnetic Field Intensity At the Inductor's Air Gap (+Fringing Flux)
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3
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Undergrad Questions about cancelation of induced EMF and minimizing eddy currents
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4
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Undergrad Is the Rutherford model invalid due to a violation of Gauss's Law?
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6
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High School What is the capacitance between two points on three concentric shells?
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Magnetic field inside a solenoid
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High dielectric strength insulator
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Undergrad Magnetic field at a point along the solenoid's axis but outside the solenoid
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Undergrad Calculation for proportional mechanical solenoid Force
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Graduate Why do we use covariant formulation in classical electrodynamics?
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Undergrad Any free MHD software recomended?
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Undergrad Hall effect -- is it always applicable?
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Undergrad Physics domain analysis of Voltage drop in series resistor
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Undergrad Is capacitor energy the electrostatic energy of the whole system?
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High School How is surface charge accumulated?
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Undergrad Power flow outside a wire - how close?
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Undergrad Electromagnetic Absorption in the Ocean
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Undergrad The vector math of relative motion of wire-loop & bar magnet
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Undergrad Dimensional analysis in the formula for gyration frequency
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Undergrad Do Electric field lines propagate by themselves away from a charge?
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Undergrad Why is a Dielectric slab ejected from the capacitor when energized?
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Undergrad Stored magnetic energy of solenoid
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Undergrad Help with Canonical Poisson Brackets & EM Field
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High School Basic Straight Line Permanent Magnet Accelerator
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Undergrad Oscillating charged particles and E.M waves
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Undergrad Is total flux linkage λ=dΨ*Ienclosed/I or λ=N*Ψ?
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Undergrad Angular momentum associated with a current carrying circular wire
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High School Magnetic field and generator power output
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Undergrad Do valence electrons determine electrical conductivity?
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Rubber soled slippers generating static electricity
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Undergrad Electric potential and potential difference
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Undergrad Magnetism: Same Pole Repulsion & Heteropolar Attraction
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High School EMF Radiation detected from TV
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Insights How to Measure Internal Resistance of a Battery
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Undergrad Can Conducting Current Through a Bar Magnet Cause Movement?
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Undergrad Electric Field Shielding by Conducting Sheets
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Undergrad The Mystery of Magnet Rotations: An Unanswered Question
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Undergrad Faraday's Nested Sphere Experiment
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Undergrad Calculating Fluke: Subtract A or R?
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Build an Efficient Electrostatic Generator: Tips, Tricks, and Resources
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Undergrad Which does more work: gravitation or electromagnetism?
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Calculating Magnetic Levitation Strength for a 1kg Object
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Undergrad Units of q in Electric Field Equation
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Undergrad Origin of the Earth's magnetic field
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Undergrad Surface charge of neutral solids
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Graduate Can the Magnetocaloric effect be used for heating liquids?
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Undergrad A math confusion in deriving the curl of magnetic field from Biot-Savart
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Undergrad Proof of Q=CV for arbitrarily shaped capacitors
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High School Magnetic Field & Particle Spin: Does It Matter?
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Undergrad Question on the Lorentz force: Why is the force not F=q(v×B) = F=qv×qB
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High School What is the principle of a magnet?
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Undergrad Can a pulse from a laser be treated as a Gaussian?
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Undergrad Why Does Grounding Imply Zero Electric Potential in the Method of Images?
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High School Confusing diagram of a rotating coil in a magnetic field
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Undergrad Question about orbital and spin magnetic dipole
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Undergrad 4-Current vector potential transformation under Gauge fixing
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Undergrad Planck's Impedance: Exploring the Mystery of a Fictional Measurement System
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Undergrad Thomson Scattering -- elastic collisions conundrum
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Undergrad Why do brushed DC motors only use commutators, and not slip rings?
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Undergrad Question regarding how to interpret dipole moment for bound charges
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Undergrad Question on Hall Effect and magnetic force
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Undergrad A donut electromagnetic core comprises main section + movable section
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Undergrad The implications of symmetry + uniqueness in electromagnetism
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Undergrad Are voltage and current waves in transmission lines an artifice?
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Undergrad Do equipotential lines fall on the equiprobability contours?
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Undergrad Meaning of "Static Electricity" and Physical Interpretation
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Undergrad Behaviour of Magnetic Fields Underwater
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High School Can lasers really cause explosions? Let's use a silly hypothetical to find out!
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High School The historical war of currents in Mains Power Distribution: AC vs DC
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Undergrad Speed of Electricity in Plate Capacitor & Cable
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