Electromagnetism Forum

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Potential/self energy of a charged spherical shell
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41K
Gauss's Law with Dielectric: Deriving and Applying the Most General Form
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2
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Understanding the Photoelectric Effect: Electrons and Energy
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22
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Gauss's and Coulomb's law forms and gravitational field
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6
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6K
A conceptual question about current
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17
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Electric Field Produced by an Infinite Sheet.
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4
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TV Researcher needs help w/ electromagnet
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2K
Electric or Magentic fields dangerous?
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22
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Isolation from magnetic field?
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9
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Electric field drop exponentially
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5
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5K
Air cooled coil electromagnet ?
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2
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5K
Amount of charge spherical conductor can hold in air
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1
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7K
Can Springs and Capacitors Be Compared in Energy Storage?
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Area of a Parallel Plate capacitor. Pi*r^2?
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2
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8K
The Earth's Electric Field and the size of Dinosaurs.
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1
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3K
Force on Magnetized Fluid: Intuitive Explanation
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2
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Create High Voltage Zero Current Pure Electrostatic Device
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4
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Electical shock, electrocution questions
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1
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Understanding Electric Potential: Work and Infinity Explained
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1
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E and M fields in a faraday cage
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7
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8K
Question about the comparative masses of Protons, Neutrons, and Electrons
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What is the impact of air resistance on projectile motion?
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3
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6K
Is the Total Charge in the Universe Really Zero?
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30
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Water droplet problem/electric fields
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1
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Speed of Electricity: Is it Possible for Electrons to Travel at c?
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17
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Electric Fields equation force
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3
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Understanding Voltage at the Microscopic Level: How Does It Really Work?
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3
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4K
What Happens When Current is Introduced into an Ungrounded Faraday Cage?
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31
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11K
Calculating the electric field
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Does Pipe Diameter Affect Water Flow Rate?
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1
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Coulomb's Law vs. Gauss's Law Paradox
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1
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Ideal conductor and charge movement
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5
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Discharge a magnetized bearing
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8
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9K
Can external current pass through Faraday cage,like thunder?
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1
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3K
Why a magnetic flux in closed surface area is always 0?
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38
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38K
Can an antenna with a positive charge emit a radio wave, and why or why not?
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15
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Symmetry and Conservation of Charge
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4
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Where does faraday's law come from (law of induction)
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3
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4K
Electric field becomes electromagnetic waves if observer is moving
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16
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13K
What is change in the magnetic flux (delta B)?
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6
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11K
Problem with differential form of Maxwell's third equation?
2
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55
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14K
Dielectrics scattering electromagnetic waves
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2
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BCalculate Speed of Electrons/Current in Circuits - Sparky_B
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4
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Which Rod Transfers More Charge to a Metal Ball?
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1
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How does magnetism arise in permanent magnets?
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4
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EM Waves: How Do They Get Generated?
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6
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Can Radio Waves Produce Electricity in a Large Coil of Wire?
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2
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4K
Charged Massless Waves in Maxwells Equations?
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10
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4K
A general problem with magnetism
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4
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2K
What makes the electrons move in conductor? (em induction)
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11
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6K
Really basic resistance question, but not sure.
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25
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7K
Which Adapter Requires More Watts for My Device?
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6
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3K
Dielectric constant depression of water?
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2
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2K
Supressing dielectric constant of water?
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1
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3K
Calculating Load of an Electromagnet
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3
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3K
Electromagnetic/gravitational fields
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16
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8K
Magnetohydrodynamic Generator (POPTOR 2005)
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3
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5K
Solving electrostatic, rotationally symmetric 3D problem with conformal mapping?
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3
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5K
Where would a voltmeter read 0 in a simple circuit?
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3
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14K
How does the turns ratio affect the current and voltage in a transformer?
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5
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6K
Electric potential energy in an infinite 2d crystal
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2
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5K
Why Is There a -1/4 Factor in the Electromagnetic Lagrangian?
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1
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Time dependent electric force at large distance
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Coulomb's Law: Meaning and Origin of 4*pi
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7
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Can Divergence Exist Without Magnetic Monopoles?
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14
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Electrostatic Speed Experiments?
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2
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3K
Understanding Ampere's Law, Gauss's Law, and the Continuity Equation
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5
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Electrons speed and magnetic fields
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2
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Electrostatic force between two arbitrary shapes
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4
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3K
Ferromagnetism, electrodynamics and field theory
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1
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4K
EM Waves: Understanding w/o Quantum Mechanics?
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33
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10K
Can a Magnet Move Constantly Without Any External Force?
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8
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What Determines a Solenoid's Magnetic Field: Voltage or Power?
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5
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5K
Does the Net Charge of a Dielectric Affect the External Electric Field?
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2
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3K
Light momentum inside a dielectric medium?
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2
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Finding out internal resistance of a lemon when used as a power supply
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2
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12K
Voltage - Sign convention problems
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6
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Why is electric pulse attenuation measured in dB using natural logarithms?
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13
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Infinitely Long Magnet: Effects on Stationary Charged Particle
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5
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Non-Ideal Lorentzians: Quantifying Shape Deviation from Ideal
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How Fast Does a Magnetic Field Propagate?
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4
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Electrons qualifying as dark matter?
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3
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Photoelectric Effect: Is There a Problem?
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1
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What is the definition of electricity?
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1
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Could a DC Motor Work with Only Two Sides of Copper in the Magnetic Field?
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6
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Why is sunlight considered electromagnetic radiation?
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3
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Lorentz Invariance and Non-Galilean Invariance of Maxwell's Equations
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Perfect Diamagnetism: Properties Necessary for Ideal State
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5
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Are Gauss's Law and Coulomb's Law Equivalent?
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2
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Coulombic charge of a battery pole
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7
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6K
What makes Faraday's Law different from other fundamental forces?
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5
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Question Regarding electric field
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5
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How can I measure electric field strength for my coursework extension?
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5
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12K
Is Electric Charge a Physical Entity Like Mass?
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3
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Square Loop Current: Vector Potential Zero w/ 2 Sides
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2
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5K
Induced Electric Fields in Changing Magnetic Fields: Equations and Applications
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7
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Why Is the Magnetic Vector Potential Azimuthal Inside an Infinite Solenoid?
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1
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3K
What Determines the Torque and Magnetic Moment in Magnetic Systems?
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1
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4K
Electrolysis for Generating Hydrogen: Best Conductor?
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1
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3K
What is the formula for the mass of an electron without any other particles?
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1
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7K

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