Electromagnetism Forum

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About magnetic field attraction
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941
Starting point to converting resonance/frequency into temp
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7
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1K
Net force on a Halbach Array in a uniform magnetic field
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3
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1K
500cc 50hp electric motor swap
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4
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3K
Flux dependant upon the number of turns?
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1
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1K
Could a distribution of magnetic Dipoles create an Energy minimum
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6
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2K
Does the first Maxwell equation work also for moving charges?
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2
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1K
Variance of the EM wave equation under Galilean transformation
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10
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Magnetic field of a finite wire increasing with distance?
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1
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2K
The physical meaning of electric potential
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2
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Electric Flux Questions (about the definition)
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2
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2K
Why do conductors have a sea of electrons while insulators don't?
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4
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Collision with magnets -- Elastic or Inelastic?
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8
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6K
Can Power Lines Transmit Radio Signals in Emergencies?
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12
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4K
The rate of change in the magnetic field linkage in a coil
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19
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Electroscope experiment in vacuum
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5
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2K
How to use magnets to float an object (Diagram)
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5
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3K
What happens in a parallel circuit when more resistances are added to it? And why?
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18
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4K
Discontinuous electric fields
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2
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Faraday's law of electromagnetic induction -- Motional EMF
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8
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Importance of Current density?
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8
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4K
Dimensionless mass-to-charge ratio of the electron
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2
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1K
Will a router motor have permanent magnets?
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1
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844
Why is electric potential present inside a conductor?
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7
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2K
Field between Parallel Plates in a Capacitor
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8
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2K
Change in electrostatic potential energy of two spheres
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3
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2K
Induced current by moving bar magnet external to solenoid.
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1
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2K
How to calculate the Doppler Shift Frequency
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4
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Magnets' Repelling Force -- How to calculate it
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2
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4K
Energy of parallel plate capacitor
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4
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2K
Range of frequency of electromagnetic waves
2
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51
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5K
Magnetic Field Computation from Thick Rectangular Conductor
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9
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3K
Electromagnet attracting permas
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3
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791
Magnetic flux through a rotating bar
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3
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2K
What Causes the Strange Sound When Magnets Are Used with Headphones and a Disc?
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13
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1K
Electron beam energy to acceleration potential relation
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2
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988
Dielectric or Piezoelectric: What's the Difference?
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5
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2K
Static Electricity powered toy car project for school
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2
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2K
Coil resistance increases from 54 ohms to 8k at 220kHz, why?
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13
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2K
Eventually do magnetic insulators exist?
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3
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1K
Electrical Power Loss Equations Confusion
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3
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1K
Magnetic Dipole Field from a Loop of Wire
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5
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2K
How does electric current flow through a conductor
2
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62
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7K
How does Lenz's law delay coil field collapse in magnetos?
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1
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2K
How is Light (electromagnetic waves) generated by electrons
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9
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2K
Calculating Capacitors for Wave Energy Collectors
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18
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2K
Electric motor: power and RPMs
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17
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5K
Relation between sound intensity and frequency
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1
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6K
Thompson's Absolute Electrometer
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1
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915
Bar magnet wrapped in electromagnetic coil
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5
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2K
Help clarifying capacitors, dielectrics, E field, potential
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2
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987
Clarification between electric field and potential energy
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4
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1K
Why is there reverse current in diode equation?
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7
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1K
General questions with currents
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8
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883
Ideal gas pressure from Maxwell-Boltzmann distribution
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4
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3K
Why Can't a Photon Be Completely Absorbed by a Free Electron?
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11
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2K
Electric field of a point charge above a plane conductor
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5
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2K
How does a battery push charges? Potential difference?
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4
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2K
Magnetic alignment of steel question
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2
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1K
Magnetic levitated electric wire
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1
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912
Does there exist any electric field inside a charged conductor?
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9
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2K
Discover the Power of Magnetic Locks: 650-1000 lbs of Force
2
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40
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6K
About uniform electric field between parallel plates
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7
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2K
Humidity & Discharge: Molecular Mechanism & Role of Polarity
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15
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4K
Propagation of EM Waves in metamaterials
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1
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1K
Book Hunt: Statistical Treatment of Macroscopic Maxwell Eqns
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2
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1K
Electric/Magnetic field Inverse square
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5
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1K
Electrostatics/Magnetostatics - E,D,P and B,H,M
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1
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2K
Calculation of temperature of a current-carrying wire
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2
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2K
Induced Magnetic Field: Moving Arbitrary Conductors in Nonuniform Fields
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1
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958
Photoelectric effect : retarding potential with back current
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1
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3K
Potential due to a uniformly charged flat disk
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9
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2K
Dielectric tensor in an isotropic media
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1
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1K
What do you mean by force "between" two charges?
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7
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1K
Sound absorption coefficients differing with frequency
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1
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Curl of the Magnetic Field of an Infinite Wire
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3
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3K
Why don't I hear beats when singers or instruments play the same note?
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10
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2K
Why a E field cannot hold a charge in space?
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6
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1K
Coulomb's law without a pure inverse square relationship?
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4
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1K
Electric or magnetic field pulse generetor
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16
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1K
Calculating Induced Electric field
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4
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1K
The charge of point inside a conductive ring
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1
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986
Electric Element Voltage Specifications?
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8
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4K
Does the Lorentz Force Affect Both the Wire and Loop in a Current Loop Setup?
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9
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2K
Physical degrees of freedom of an Electromagnetic field
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4
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4K
Does an electromagnetic shield reflect?
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4
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1K
Total energy of a shell charge
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5
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1K
Electric field by continuous charge distributions.
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2
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1K
Confusion over electric field inside a charged shell
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6
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3K
Exploring the Distribution of Charge on a Conducting Shell
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3
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1K
Induced charge density -- non-zero potential case
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2
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Work done by voltage source
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4
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1K
Neodymium magnet partial shielding
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8
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Bull charging and you charge the bull
2
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40
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3K
Can one cathode transfer electrons to multiple anodes
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6
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2K
How do changing magnetic fields affect the speed of motors?
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29
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3K
Electric field due to plane of charge
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5
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2K
Thermal resistance without area
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5
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2K
The KE of an electron accelerated by an electric field
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1
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1K
What is the Mistake in My Electric Potential Problem Calculation?
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1
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704

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