Electromagnetism Forum

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Cross product evaluation (for the Lorentz Force).
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2K
Electromagnetic effect on gases
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3
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Charged particles passing through a magnetic wave?
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3
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Force between 2 electromagnets
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2
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Electromagnetic field 4-momentum density and inertial frames
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14
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How does a changing magnetic flux induce an electromotive force in a loop?
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Rest energy of the electron - calculation discrepancy
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Dimensional Units for Coulomb in SI
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31
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How does rotating a magnet affect the magnetic field?
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Explosive compression magnetic field
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Can Magnetic Fields Actually Do Work?
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11
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Can a charged capacitor create detectable static electricity with a pith ball?
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Faraday's Law for a linearly rising magnetic field
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Power dissipation in capacitor circuit
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3
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Is it possible to split water with magnetic fields?
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7
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Can a Curved Wire Exert Magnetic Force on Itself?
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Lorentz Transformations with Special Relativity Derivation
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2
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Why the electric field around a positive charge is always directed away from it?
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6
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Electromagnetic propulsion. (Not?)
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9
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Poisson's equation with Green's function for point charge
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7
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How can there be a current in this magnet/coil configuration
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Does Voltage Create a Physical Field Similar to Magnetic Fields from Current?
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Coulomb's Law of Electric Displacement -- Why is there none?
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When is the Curl of Electric Displacement Zero?
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Magnetic Effect of Current
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Why does the same current flow through resistors in series?
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11
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Where does energy of the inductor go?
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5
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Can an experiment demonstrate the existence of a gravitomagnetic field?
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6
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Question about intensity of EM waves
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2
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What does it mean when x=y in defining a unique voltage?
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10
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What determines the penetration of UV rays through the ozone layer?
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Voltmeter values drop w/ time when measuring elec chem cell?
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3
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1K
Elementary Charge: Read or Calculate?
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5
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Maxwell equation at the surface of a conductor - paradox?
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23
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Observer is moving &charge is stationary,magnetic field acts
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5
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Fiction/Nonfiction novel explaining Magnetism?
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2
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Conduction of electricity in electrolytes
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2
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Electromagnetic force increasing/decreasing
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2
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Understanding the Fundamentals of Electric Fields....
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5
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Misunderstandings about current and voltage
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20
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Generating anions for oxygen charge
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1
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1K
Tesla magnetic field holding force and horsepower to remove magnet
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9
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The charge interaction as a force
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3
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Understanding Electroplating: Cu and Fe Ion Movement Explanation
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2
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Series capacitors and the amounts of charge on the plates.
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22
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5K
Coil loop with a magnet through it produces AC or DC?
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2
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Energy dissipation in a travelling EM wave
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10
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Find Force of Multiple Charges on Origin Charge Q
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4
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1K
Magnetic field created without an electromagnetic field?
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11
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Are induced currents created by motion or change in flux?
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2
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2K
Wave frequency and propagation attenuation
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10
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Voltage drop and potential energy
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6
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Calculating the magnitude of Eddy current's retarding force?
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18
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26K
Voltage's effect on magnetic rotation
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11
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Electrical fields of spherical shells
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1
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Magnetic field due to magnetic dipole
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3
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Charge density higher at sharp points
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11
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Rate of battery life varies with charge?
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9
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Why Does Current Remain Constant in Series Circuit?
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12
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2K
Why is the magnetic field outside a toroid 0?
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5
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23K
Why is the expression for sheet resistance given without demonstration?
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4
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Why did we use a capacitor in this circuit?
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2
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Ohm's Law - Identifying Constant in R=V/I Equation
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5
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How would you explain self-induced voltage in an inductor?
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13
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4K
Energy at zero axis in an Electromagnetic field?
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6
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2K
How Does Ampere's Law Account for Changes in Magnetic Field Strength?
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6
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How to calculate magnetic field?
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2
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Field inside spherical hole inside dielectric
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7
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Force of a changing magnetic field
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3
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What is the relationship between electric potential and potential difference?
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3
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2K
Use of a solenoid for inductance
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1
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1K
Is a battery needed for electromagnetic induction?
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5
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3K
Current in a Circuit: Does Resistance Decrease It?
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9
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1K
Why Is the Cross Sectional Area of a Coil Used in Calculating Flux Linkage?
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5
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Are there any real-life examples of tangent waves in the universe?
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3
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Effect of electric field on a wire segment
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4
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Electric surface current on a PEC
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4
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Why Does Non-Constant Conductivity Affect Electric Field Divergence?
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2
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Understanding Current and Current Density in Variable Cross-Section Conductors
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19
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Why does an element in a circuit cause a "voltage drop"
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3
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2K
Are field lines from a magnetic dipole equal in magnitude?
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4
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Minimum Force of Attraction Between Magnets for Humans
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4
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How would *You* detect magnetic monopoles?
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7
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Is air resistance dependent on mass?
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7
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Can a smaller magnet still repel with the same force as a larger magnet?
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1
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Proof of Gauss' Law for Electrodynamics?
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9
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Why Do Flames Contain Electrons and Ions?
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3
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Electric Potential Energy & Electric Potential
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7
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Shielding magnetism with superconductors
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9
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Current in ideal wires -- circuits
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24
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How Do You Calculate the Resistance of a Rectifier When Sending AC Through It?
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3
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Induced Emf due to changing magnetic flux
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4
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Electricity current and circuit questions
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17
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Electricity Basics: Voltage 220V & Potential Difference
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3
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Charged capacitor discharges to neutral cap energy losses?
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16
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How to find the magnetic flux of this magnet?
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3
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Uniqueness of magnetic vector potential
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4
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Help finding the derivative for Faraday's equation?
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1
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838
Magnetic field around a wire near ferrous materials
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2
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Why Does Negative Resistance Indicate Ballistic Transport?
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1
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