Electromagnetism Forum

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Origin of Magnetism: Exchange Coupling Existence
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The own energy of electromagnatic field
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Surface current density problem
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Photons chances of combining with electrons
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What metal is used to concentrate magnetic fields in this video?
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Why is the magnetic field around a piece of wire circular?
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Charging by Inductance: Replacing Electroscope with Capacitor
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EMF and voltage the same ? NO ? How ?
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7
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Does EM Wave induce emf in coil?
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3
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Magnetic Flux inside a Transformer
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5
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Projectile motion with air resistance
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Air HES, Air Hydroelectric Station
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4
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Magnetic resistance in generator, constant?
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4
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Static Electricity: What Causes Attraction?
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6
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Is there capacitance between non-aligned parallel plates?
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12
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Induction by alternating voltage?
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How Do Different Mediums Affect Coulomb's Law?
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Calculating Capacitance With Dielectric
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Field of a finite line of charge
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24
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Calculating Projectile Trajectories with Gravitational and Electrostatic Forces
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5
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Does a proton signify lack of electrons?
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Multiple inductor or capacitor RLC circuits
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How Do Magnetic Mirrors Affect Conservation and Torque in Plasma Physics?
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Switching polarity on electromagnets
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Nuclear Physics - Difference between electron capture and beta plus decay
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Why high frequency waves cannot be used in sky waves?
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Calculating total price using kilo watt hours?
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Why is the voltmeter connected in series in electrolysis?
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1
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Can magnets act as accelerators to certain objects?
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20
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Calculating moleculalar flux from deposition rate.
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2
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Charging a widget through induction
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Trajectory of charged particle in uniform gravitational potential
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3
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Maxwell stress tensor for a nonlinear media
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26
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Relativistic explanation for magnetic force between perpendicular wires
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Work done by load in charging a capacitor
2
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How Eddy Currents Produce Attractive Electromagnetic Forces-Maglev
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Does electric field obey superposition?
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Electromagnetic Waves: Static Magnetic Fields
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Alternating Current through pure inductors
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What is the connection between Maxwell's Demon and Liouville's Theorem?
2
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78
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How Do Coils Interact to Induce EMF in Electromagnetic Fields?
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3
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What really is the electric field E appearing in the constitutive relation ?
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8
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2K
Long term magnetic repulsion with permenant magnets?
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2
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Thinking about electricity and magnetism, and some relativity
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3
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Longitudinal magnetic forces in conductors
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3
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Static electricity and high voltage?
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2
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Question about magnetic induction
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5
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Producing constant torque in the simple electric motor.
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10
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Force exterted on a ferromagnetic object in a magnetic field
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Power line workers and voltage
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5
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Resistance of a solution between two electrodes
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3
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AC vs DC and the flow of electrons
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7
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Lorentz Force: Coupling w/Maxwell's Eqs
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5
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Can Light Travel Faster Than c in Diamagnetic Materials?
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Why Do Neutral and Charged Objects Attract?
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Johnson noise and a magnetic field
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5
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Envelope, carrier and beat frequency equations?
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2
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Finding the resistance of a solenoid?
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Air Flow in a 10m. pipe - generating electricity ?
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5
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Understanding Electromagnetic Waves & Momentum
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Simulating toy magnet balls ? (eg: Zen magnets)
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6
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Can the Attractive Force Between a Metallic Object and a Magnet be Quantified?
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1
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Electric potential and earth/ground
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8
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Gravity used to produce Electrical current?
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9
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Electric Dipole Moment: Meaning & Significance
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7
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Transformers, its current and its resistance
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2
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Permanent magnet trapped inside a superconductor
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1
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Designing Shielding Box for High Voltage Cylinder
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Measuring up to ~2T magnetic fields
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Why don't magnetic motors work?
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Dielectric slab in between plates of capacitor
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In-plane wave vector of em wave
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2
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What is the Difference Between Magnetic Moment and Magnetic Domain?
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Does Coulomb's Law apply to more than point charges?
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9
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Optimal electromagnet bobbin material
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Help with electromagnets wiring method
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10
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Why isn't the magnetic flux of a loop infinite?
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8
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Tesla Coil as Power Transmitter
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Derivation for E = V/d? (capacitors)
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How Does a Capacitor React to a Sawtooth Wave Input?
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7
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Magnetic moment of a current loop.
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1
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How to build an Electrostatic Spray system with pics.
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13
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Understanding Hydraulic Resistance: A Comparison to Electrotechnics
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10
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Question about magnetism and electricity
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Question about electromagnetism
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A question about line images(electrostatics)
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2
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Application of Maxwell Boltzmann velocity distribution to nanoscale systems
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1
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Question about angular frequency
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6
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Make an electroMatnetic with formula
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4
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Phase-Locking Proton Precession with 90° RF at Lamour Frequency
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Electricity: conceptual understanding help
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12
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Basic magnetism on square loop question?
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1
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How Electric potential and potential difference work in batteries
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What typical voltages are induced from a typical magnet (50-75 gauss)
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5
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Time course of magnetic field formation (spatial distribution of field)
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How is electric charge measured?
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4
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Obtaining Electricity from the Earth's Magnetic Field
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Any device to measure frequency of photon?
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7
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3K
Magnetic field by a finite section of wire?
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1
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3K
Constant Current in Batteries? How?
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16
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7K

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