Electromagnetism Forum

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High School Who first assigned negative to electrons and positive to protons?
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Undergrad What's wrong with this diagram of magnetic field lines?
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Graduate Why Can't the Dirac Delta Function Be a Solution in Electrostatics?
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Graduate Charge density of some potentials
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High School Magnetic Field Lines: What Causes Gaps?
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High School Relationship between current and voltage.
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Undergrad Can the Dielectric Permittivity of a Material Be Altered?
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Undergrad Can a Series of Magnetic Rails Create Continuous Motion?
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Graduate What Causes Delay in Magnetic Flux Propagation?
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Undergrad Understanding Self-Inductance of a Coil: How Does it Happen?
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High School Concept question about electric force
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Graduate Air resistance upon a spinning block
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Graduate Energy stored in capacitor w/ dielectric
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Graduate Question on a simple caluclation of electric susceptibility
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Graduate 5 positivly charged particles on sphere, min energy configuration, rel
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Undergrad What is the relationship between magnetic flux and coil wire?
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Undergrad What happens to an electron when its used in a closed circuit?
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Undergrad How do I charge a small battery with a large battery?
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Undergrad How Does Adjusting a Rheostat Impact Voltage Distribution in a Circuit?
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Undergrad Pleease explain uniformity of B in circular loop ?
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Undergrad Lowest frequency of a transformer
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High School Lenz's law: determining current direction
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Graduate TE Waves in Rectangular Wave Guide
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High School Does Cold air cause more Air Resistance?
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Undergrad EMF Induction: What's the Explanation?
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Undergrad How Does an Electric Field Affect Magnetic Dipole Direction?
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Undergrad The electric field of an atom is puzzling to me
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Graduate Boudary conditions, rough interface (Electrodynamics)
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Undergrad Understanding Conventional vs. Non-Conventional Current in Circuit Analysis
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Undergrad Electromagnetism Electromagnetic fields
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Undergrad Capacitors , why cant series combination be used in an open circuit?
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Undergrad Electromagnetism electric fields
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Undergrad Is it possible to move air using a magnetic field?
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Undergrad Magnetic field due to moving charges?
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Undergrad What carries the energy in an electric current?
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Undergrad Why is Potential Dependent on Location in Kirchhoff's Law?
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Undergrad Electrons are negative, same charges repel, then what about this?
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Graduate Magnetization Dynamics: Modeling the Ferrite Core of a Joule Thief
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Undergrad What is a Field? - Understanding & Explanation
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Undergrad Van de graaf options to increase reliability in humid areas.
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Graduate Electric field of a point charge in uniform motion
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Undergrad Resistance to acceleration dependent upon mass or weight?
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High School Magnetic needle inside a solenoid
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High School Electric Current in an open circuit
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Undergrad Attraction between coaxial solenoids
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Graduate X-ray crystallography, protons or electrons?
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High School Looking for an Electric Field Simulator: Any Recommendations?
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Graduate Field lines of electrons in an atomic orbital
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Graduate Potential of spherical charge distribution
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Graduate Are There Surfaces of Force in Addition to Lines of Force in Fields?
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Undergrad Could I use electro magnets to repulse the earths magnetic field to levitate?
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High School Statically charging polypropylene sheets
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High School AC Voltage from 12V Battery Supply - Get Help Now
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Graduate Charged Particle Beams: Uses & Potential Applications
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Undergrad Gauss law and electric current
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Undergrad What is the maximum magnetic field strength for a given size permanent magnet?
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Graduate Why does Larmor precession appear to go against the right hand rule?
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Undergrad Maximum current from a battery
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High School What exactly is the positive/negative charge in batteries?
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Undergrad Speed of electrons in batteries
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Graduate Dielectric half-filled parallel plate capacitor
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Undergrad Why would voltage decrease over a resistor?
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Undergrad Can I store a neodymium magnet in a freezer?
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Graduate [Electromagnetism,optics]How to attack a problem of dielectric tensor?
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Undergrad Capacitor Charge Flow: Examining Circuit Behavior in Multisim
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Graduate From Poynting vector to EM wave
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Graduate Field inside Dielectric (Griffiths)
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High School Can someone explain the iron shavings flux line experiment to me?
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Undergrad Law of Transformers: A.C Source & Induced EMFs
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Undergrad Does the backward emf reach the Source emf ?
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High School Magnetism, electrical and thermal conductivity of metals
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Graduate X-ray's can cause demagnetization?
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Undergrad Are all atoms of a ferro conductor attracted in a magnetic field?
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Undergrad Why Does the Movement of Charged Particles Create a Magnetic Force?
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Graduate Why is a current induced in a conductor placed in a changing m.field ?
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Undergrad Can someone me understand voltage
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Undergrad Electromagnetism: Trouble understanding the D field
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Undergrad Microwave oven EM wave amplitude
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Graduate Kittel: possible states of magnetic
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Undergrad Calculating Terminal Velocity with Air Resistance: A Case Study in Free Fall
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Graduate How to calculate the magnetic field generated by accelerating charges?
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Undergrad What is the Meaning of 0 V or 0 Potential Between Two Charges?
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Undergrad Electromagnetic energy of a long wire
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Graduate Electrostatic E Fields - Possible/Impossible
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High School Charged particle in a magnetic field
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Graduate Fundamental Frequency of a nano scale oscillator (graphene)
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Undergrad How does a laptop transformer avoid using energy?
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Undergrad Why is electric charge quantized?
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Graduate Charged particle movement in arbitrary electromagnetic field
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Undergrad Understanding Flux Density in Coils: Equations and Factors Explained
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Undergrad Internal resistance of the battery and power dissipation
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Graduate Why is the induced M field proportional to H, instead of the B field?
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Graduate Solving Maxwell Boltzmann Random Number Problem
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Graduate What Happens to Electrons in the Center of Polywell Fusion Reactors?
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High School What does it mean to 'drive' a coil?
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Undergrad Can You Modify a Capacitor's Dielectric to Control Charge Flow?
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Graduate Effective Demagnetization Techniques for Low Coercivity Ferromagnetic Materials
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Graduate When do Maxwell's Equations break down?
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Undergrad Magnetic field due to many wires
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Undergrad Why Is the Electric Field Stronger at Sharp Edges on Conductors?
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