Electromagnetism Forum

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Conservation of Energy on Current-Carrying Wire in Magnetic Field
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Confusion when dealing with loops and surfaces with Maxwell equations
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Demagnetizing Magnets: Alternating & Direct Currents
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3
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Which of these magnets should have the strongest strength at 10cm?
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19
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Electrical Permittivity of Classical Vacuum - Physical?
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16
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Electric Charge is basic property of matter or subatomic particles ?
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4
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Alternating current and Average power
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936
Earth's Magnetic Field: Why Doesn't It Lose Its Properties?
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6
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Black body radiation vs electric discharge in a gas
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70
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Magnet falling thru copper tube -- How does the process occur visually?
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4
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How does permittivity in Coulomb's law work?
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5
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Energy within an electric field
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40
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Can a horseshoe magnet without separated poles still function as a magnet?
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2
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Software simulator for point charges & conductors
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2
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979
Whether charges can stay inside wires or on the surface of a conductor
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982
2 charged conductors connected by a wire
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20
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Physics History (Maxwell) Rotary Vectors?
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1
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920
Is the magnetic field inside a solenoid stronger near the border?
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6
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3K
2 charged conductors form a capacitor
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15
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High Energy Maxwell-Boltzmann distribution?
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1
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An Interesting Question on Faraday's Law of Electromagnetic Induction
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11
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Electromagnetism and the Pauli Exclusion Principle
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14
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Electric Field Shielding: Does a Conductor Shield Inside?
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4
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What materials produce higher levels of static electricity?
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1
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Question about this Continuity Equation (electromagnetism)
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3
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1K
Energy paradox in classical electrodynamics?
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19
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Magnetic Mirror and particle trap
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1
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Derivation of torque on general current distribution
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4
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972
Most probable energy and speed for Maxwell-Boltzmann distribution
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4
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What is the weird field in dielectrics?
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6
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Right Hand Rule for Electromagnets
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8
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E-Field immediately outside a charged conductor
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5
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A charged conducting ring rotating B field -- referece frames
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Does electricity have a propagation delay?
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18
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Induced current in a coil from a constant uniform magnetic field?
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5
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Confusion about the right hand rule (Lorentz Force)
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3
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Let's make some single-domain magnetic nanoparticles
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6
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Electrostatic Induction in Metals vs Insulators
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1
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1K
Resonant frequency of a pipe submerged under water
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5
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Waveform produced by a collapsing magnetic field
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32
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To derive the piezoelectric effect in crystals
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3
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1K
Lorentz and Gauge invariance of EM
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4
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How does the saturation flux density affect magnetic field strength?
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1
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1K
Law of motion for orbiting particle in a uniform magnetic field.
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14
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A question about an electron’s movement in a DC circuit
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37
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How do I generate a magnetic vector field using equations?
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17
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"Heat current" on a microscopic level
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10
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Who invented electric potential and why?
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13
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Identical Wires with different voltage--does electron behavior differ?
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19
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What Causes Induced EMF in Conductive Bars Moving Through Magnetic Fields?
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20
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Creating stationary neutrons by colliding protons and electrons
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5
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If the charge oscillates at relativistic velocities
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4
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805
What effects does an electric field have on potential energy?
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9
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2K
Thomson scattering -- Photons can only scatter from free electrons?
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18
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How to calculate the time until charged particles collide
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13
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A problem regarding static charge -- rubbing a metal rod with wool
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3
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Work done via induced charges in a grounded conductor
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2
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Can Point Charges Be Used to Approximate Charged Bodies?
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2
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888
Angular frequency versus normal frequency?
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16
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35K
B field around a wire, single wire electromagnet
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2
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Atoms: Understanding Frequency of Revolution
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2
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Number of free conduction electrons in a segment of wire
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2
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1K
Electromagnetic Wave in the Y-Direction
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1
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979
Maxwell's equation in microscopic formulation and speed of EM-waves
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3
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1K
Surprising sound frequency from a bottle
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10
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How Fast Does an Electrical Impulse Travel in a Copper Wire?
3
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100
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10K
How to insulate an object with electromagnetism?
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6
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The forgotten magnetic scalar potential
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1
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1K
Response of a motor rotor to just 1/60th of a second of current
2
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53
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What is an electron lens diameter?
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1
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What is a coefficient of resistance?
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1
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How Does Equatorial Magnetism Vary Among Solar Bodies?
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1
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Location of electrons (not excess charge) in a conductor [static case]
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2
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Magnetic Flux through a Closed Surface and Maxwell's laws
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14
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How are holes charge carriers?
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1
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Using Ampere's Law for these two different integration paths
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1
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Behavior of charged particles in a speed selector
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3
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971
What is the physical significance of torque being a vector in an electric motor?
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4
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Magnetic Attraction: Watching Magnets Move in Unison
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24
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Can infrared photons also eject electrons in 'photoelectric effect'?
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5
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Electric Fields with Motional EMF
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20
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Gauss' divergence theorem and thermoelectricity contradiction
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1
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1K
Fresh air (vacuum) as media for electromagnetics, can it have losses?
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6
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Questions About Highly Coupled Magnetic Resonance
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8
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Why would an electron-emitting heated coil require AC?
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5
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At least One Faraday Tube Between Every Two Unlike Charges in the Universe
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5
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Magnetic attraction / repulsion from the Lorentz force
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35
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Imaging Emitted Covid 19 Samples with an Electron Microscope
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25
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AC Frequency UK: Why Does Filament Lamp Flash 25Hz?
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7
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Electrodynamics regarding volume charge density behavior
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4
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Maximum Induced Voltage of an AC Generator
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2
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Magnetic field lines around electron and wire seem to contradict
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6
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Best straightforward method to calculate the direction of the Lorentz force
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5
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Is capacitance more fundamental than resistance?
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16
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Electrolysis of Water: How Does the Electric Field Affect Covalent Bonds?
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8
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Questions about magnetic levitation of a Thompson Ring
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6
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Charges of capacitors in series and in parallel
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7
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Is the Configuration of Magnetic Fields Only a Convention?
2
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60
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Characterizing Total Charge of Conductor A in an External Electrical Field
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8
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Electric potential difference at the ends of a resistor
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4
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