Electromagnetism Forum

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Current: the speed of charges vs the number of charges past a point
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Time derivative jump of the electric/magnetic field
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3
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How do we know the mass of an electron?
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The Angular Momentum of an Electric and Magnetic Charge
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Prove to me how capacitors in parallel can have the same V across plates
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7
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What is the maximum current in a superconductor loop?
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Can someone compute the electrical output of this machine in watts
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How is the speed of light derived in Maxwell's equations?
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[E&M] Question on the Image charge method of a grounding sphere
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How to find an expression for bound charge densities in griffiths
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Do Maxwell's equations in integral form imply action at a distance?
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Magnetic Forces & Moving Wires: The Right Hand Rule
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32
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Is the current through the electrolyte double that through the circuit?
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6
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How does gauge invariance determine the nature of electromagnetism?
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Calculating Spatial Current in Resonant Inductors
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Surface charge density of a conducting spherical shell
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Where Does the N in Faraday's Law of Induction Go?
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Can Electrons Carry Infinite Energy?
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Could an Electromagnetic field produce the "3-body" problem?
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What are the advantages of a solenoid motor over an electric motor?
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4
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What causes flux to suck-in solder?
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Ampere's law in differential form
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5
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What is Teflon's Magnetic Permeability?
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Current induced from a changing magnetic field
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2
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Lorentz Forces: All the Details You Need to Know!
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4
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Why aren't the coils in electric motors insulated?
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13
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Measuring Magnetic Field Strength of a Cylindrical Magnet
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3
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Confused about Polarization and Induction - Static Electricity
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4
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Does action at distance in electromagnetism violate energyconservation
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12
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Potential of a grounded conductor in the presence of an external charge
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14
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Lorentz force between two moving charges
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4
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Electric field outside a parallel plate capacitor
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7
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19K
Magnetism vs Altitude: Magnetic Pull & Gravity
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3
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Tin Whisker (TW) growth in Electronics
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1
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Simulating forward electromagnetic scattering for a dielectric
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1
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Resistance of composite material
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1
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Why is the magnitude of the electric field in a sphere the same?
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1
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1K
Resistance and Precession Torque of a Gyroscope
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11
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4K
Polarization charge density of homogeneous dielectric
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3
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Energy vs. Time in a Magnetic Field due to a Current Carrying Wire
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11
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Resistance of Platinum decreases with an increase in temperature ?
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2
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7K
An alternative and odd view of Voltage Drop
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24
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Have you ever heard of the term "magnetic spectrum"
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9
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Faraday's Law & Motional EMF Confusion
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3
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Conserved quantities under the Lorentz boost
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11
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A Question about Albert Shadowitz's Explanation of Ampere's Law
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4
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Voltage drop: What do we mean when we say that voltage drops across a resistor?
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13
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Time-symmetry in electromagnetism: a simple puzzle
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4
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Series LC frequency/voltage dependance
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3
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Electric potential generated by a electric loop
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1
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Forces acting on a magnet which is deflecting a charged particle
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4
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Does electric potential exist without a test charge?
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1
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1K
Question about the polarity of a voltage (PHY 2 for engineers)
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4
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Faraday's Law and the distance from another wire
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4
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Voltage across R, L and C vs AC Voltage source in RLC Series Circuit
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4
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Is this another Maxwell's demon?
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8
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Maxwell’s Equations in Magnetostatics and Solving with the Curl Operator
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Equation for the frequency of light from an accelerating charge
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8
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Why does a capacitor charge to 63% of the applied voltage?
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20
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6K
What is the effect of the dielectric material on Gauss' law?
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1
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Fluctuating Magnets to Interacting Magnetic Fields
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10
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Unsymmetrically Placed Charge in a Hollow Conductor
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1
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Excess Charge Distribution on Grounded Metal Cup
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1
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Electric Field of a moving charge
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22
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How to measure electric and magnetic fields in asymmetric capacitors?
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12
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Negative electrical charge on water? Help
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1
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Tripling fundemental frequency
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1
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13K
Does an AC Magnetic field induce movement in a DC Magnetic Field?
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15
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Understanding Magnetic Dipole Fields in a Linear Magnetic Sphere
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1
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Why is my simulation of projectile trajectory with air resistance wrong?
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13
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Conversion of EPE to Kinetic Energy in Magnetism
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1
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Capacitor Charging, Energy Flow
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1
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4K
Electric potential difference between a battery's + terminal and the ground
2
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83
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22K
Derivation of ideal magnetic dipole field strength
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1
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Detect Single Electron: Fuji-Film & Kodak-Film?
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19
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Why is electromagnetic force perpendicular to magnetic field?
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1
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Please verify my derivation on elliptical polarization of EM wave
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1
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Self-Induced Magnetic Field in a moving rod with current
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1
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Charge Redistribution in Conducting Objects
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3
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Ampere's circuital law -- Monopole thought experiment
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3
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Positive charge distribution in a conductor
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1
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Can a shorter magnet produce the same current as a taller magnet in a solenoid?
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1
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If a magnet does not feel the Lenz force, will there be a violation of energy?
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29
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Really challenging electric field problems
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1
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Building Software for Damped Pendulum in Electric Field
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1
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Electrostatic induction in a conductor
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1
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Electric Potential Energy and Work
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1
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Limit to generating static electricity via contact?
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3
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9K
Request for historical background on the concept of voltage
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1
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Why -e(v/c)H is the magnetic force?
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7
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Motion of a point charge near an electric dipole
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1
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Magnetic field for azimuthal current
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1
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Electrostatic potential on a 3d object
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1
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Why is the Lorentz force linear with velocity?
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2
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Magnetohydrodynamics - Plasma or Liquid more conductive?
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1
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How Do You Calculate the Charge Between Two Asymmetric Cylinders?
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1
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Proving Charge Induced on Conductor is Equal to Sum of Imaginary Charges
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1
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Voltages in Photoelectric Circuits
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1
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1K
Appropriate Language when Discussing Faraday's Law
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4
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Question about magnetic field gradients
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1
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