Electromagnetism Forum

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Can a straight wire be a self inductor?
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5K
Diodes and electromagnetic emmission Help?
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3
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1K
Calculating the natural frequency of a plate fixed at four corners
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4K
On what empirical laws are Maxwell equations based?
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4
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Magnetic field of a moving charge: which way to the North pole?
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12
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Lorentz force and work done: where is the glitch?
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Electromagnetic induction confusion
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4
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Magnet vs CRT TV a.k.a question about magnetic poles of electrons
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5
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Maxwell Relations: when are they valid?
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Is lightning caused by the cloud acting as a capacitor?
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5
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Ohm's law and emf for non static electric fields
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Why is charge a scalar in physics?
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11
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How Are Debye Length and Ohm's Law Related?
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Why does Saran Wrap become charged?
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5
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Five questions about electromagnetic radiation
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44
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Parallel plate capacitor with layers of dielectrics in between
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1
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Necessity for action to be a Lorentz scalar
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Direct conversion from heat to electrical energy
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15
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Electric Flux: Understand and Calculate
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5
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Why are magnetic and electric fields not considered the same?
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4
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1K
Why can't a closed conductor have excess charge inside?
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2K
Direction of the Force from an EM Wave
2
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58
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6K
MRI question: Production of EM Waves using magnets
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2
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2K
Maximizing Ultrasonic Wave Production with Magnetostriction Method
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2
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Electromagnetics question for physicists/engineers
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5
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1K
Free electron beam inducing an EM field in a target?
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5
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2K
Derivation of Faraday's Law from Lorentz's
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1
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Separation of Variables In Electrostatics
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1
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Confusion in understanding how electric heating works
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2
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Difference between Coulomb's and E-static?
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7
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Asymmetrical charged parallel plates capacitor
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3
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What is an EM wave composed of?
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21
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Confusion about transformer and flux
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26
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Understanding Orbital Shapes: The Probability of Electron Location
2
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55
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Are There Really Slow Moving Electrons?
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27
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Is Electric Potential the Key to Understanding Earnshaw's Theorem?
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5
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Electrostatic discharge and metal rods
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18
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How Do Unpaired Electron Orbits React to External Magnetic Fields?
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1
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Radiation of an accelerating charge
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5
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Gradient of Scalar Field: Compact Magnetization Density
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4
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A different definition of radiation flux
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3
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Number of photons in photoelectric effect
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5
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917
How do charges redistribute in a conductive sphere with a charged object inside?
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2
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2K
Electric current in household wires
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9
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Using magnets to hold an object in place on a large timber beam.
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5
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Electric field inside a cavity
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3
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What is the relationship between current density and position and time?
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2
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2K
What is the electric potential of Earth?
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1
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Electrons acceleration in a wire
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7
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Maxwell's equation which convective derivative
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8
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How do transformers obey ohm's law?
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40
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Non stationary currents and Ohm's law.
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2
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In what year was proposed that light is an electromagnetic wave?
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3
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Electromagnetic waves and charge
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9
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In order to generate electricity is copper required?
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6
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Paramagnetic Substance: Attraction to Magnetic Field
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1
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How to Find Most Current Physics Models
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4
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Calculating power and energy based on frequency and amplitude (pascal)
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9
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Why Does My Guitar Amp Sound Different in My Basement Compared to Live Venues?
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10
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2K
Electric current in bulk material
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1
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Work by External Force on an electric field
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7
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Faraday's paradox: homopolar generator on a train
2
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52
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Faraday's law for electrostatics
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23
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(Electro)magnetic properties of mylar? If you wrap a laptop in mylar
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2
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What Is the Direction of Current in a Circuit Without Simplifying It?
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25
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What is voltage and how to look at it intellectually?
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32
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Is a Virtual Photon Flux the Same as Ether?
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1
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Electrostatic charge or dieletric field?
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10
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What creates the electric field in an electric circuit?
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22
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Curiosity about current density
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7
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Free electrons and intrinsic spin magnetic dipole moment orientation?
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4
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2K
Magnet Type for Heat Engine: Alnico or Rare Earth?
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4
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Electric field, Equipotential surfaces
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1
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Electrodynamics (Lorentz to Faraday)
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2
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Current carrying conductor has a net force parallel to earth, why?
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9
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Three Dimensional Charge Density in Capacitor Plates
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3
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If a battery can't supply enough current, does voltage read lower?
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11
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Can Accumulating Charges Be Increased by Placing Machines Underwater?
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4
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Light bending with electric or magnetic field?
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4
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4K
Conduction of electricity in semiconductors
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1
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Electricity Generation by piezoelectric effect in Injection Moulding
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5
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Coulomb interaction not affected by presence of other charges
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6
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2K
What is the relationship between voltage, electric potential, and power?
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1
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What is the Definition and Function of a Magnetic Field?
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1
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What Are the Fundamental Principles of Maxwell's Equations?
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0
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What is Free Charge? Definition and Explanation
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1
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What are the differences between scalar and vector flux in electromagnetism?
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1
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What is the Definition and Function of an Electric Field?
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1
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Electric and Magnetic Units: Definition and Summary
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0
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Coulomb's Law: Definition & Summary
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1
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What is a Capacitor: Definition, Summary & Equations
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1
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What happens when charge enters the resistor?
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6
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Is it really true that "no charge builds up" in a circuit?
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2
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Can accelerated charges explain the light from a fire?
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10
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How to calculate force of electric current on magnet
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3
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3K
Vector potential of a current carrying circular loop
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6
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Faraday-Neumann Law: minus sign?
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6
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3K
What Role Do Large Capacitors Play in Computer Power Supplies?
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10
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How Does Earth's Magnetic Field Persist Despite High Temperatures?
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1
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2K
What is meant by pressure being a momentum flux?
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6
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13K

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