Electromagnetism Forum

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Hall Effect: No hall voltage in a Copper sample.
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2K
Increase Electromagnet Strength Without Additional Energy
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8
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4K
Conservation of momentum in an electric field
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18
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Why are the charges of the proton and electron equal but opposite in size?
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7
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3K
Can a Race Car with Magnetic Wheels be Designed for a Final Project?
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4
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Can Earth's Magnetic Field Be Amplified for Levitation Purposes?
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Pneumatic Cylinder Discharge Equations
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Is the Maxwell stress tensor a true stress?
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Multiple parallel plate capacitor question.
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17
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Normal Force: A summation of electromagnetic forces?
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11
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Understanding Faraday's Law: The Role of Magnetic Flux and Imaginary Surfaces
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6
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How to graph equipotential lines of two charges?
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3
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Magnetic field outside a solenoid
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2
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How does charge accumulate on the plates in a capacitor?
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9
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Do you integrate a variable charge density when solving for Q?
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Is a surface plasmon an EM wave?
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3
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Copper & Magnets: Generating Repulsive Force
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1
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What Causes Eddy Currents in a Copper Tube?
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6
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The magnetic field of a spinning spherical shell of uniform charge
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Higer dims: Electromagnetic field lines and stereographic projection
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How does a voltage divider work with a resistor and capacitor in an RC circuit?
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Want to know how alternating current really works
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24
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Understanding Charge Attraction: Theories and Explanations
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15
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Calculating magnetic field strength through objects.
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5
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Difference between Corona Discharge and Dielectric Breakdown?
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3
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Reducing Eddy Current Effects: How Laminated Cores and Reduced Area Help
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Voltage: Clarifying Conflicting Definitions
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What is the role of free electrons in electric induction?
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Universal electromagnetic field formula
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Diodes & Resistance: Understanding Forward/Backward Flow
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Why Inflating Balloons Causes them to Gain a Positive Charge
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Magnet therapy and magnetic blood
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6
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Work done in moving the plates of the capacitors
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Does Grounding Alter Voltage Differences in Electric Circuits?
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Questions Pertaining to Electromagnetic Wave and James C. Maxwell
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17
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Multiple coil field math for magnetic train
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1
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Experiment with Earth magnetic fields abnormal
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3
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What happens to the electrons in a magnet
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11
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Wireless Electricity: Magnetic Resonance vs. Magnetic Induction
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1
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Particle/dipole acceleration in non-uniform magnetic field
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6
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Hydroelectric power plants question
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3
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Overcoming the Coulomb Barrier: Energy Requirements
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4
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Effect of magnetic materials on field created by current
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Understanding the Electric Displacement Field
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Are Capacitors in Series or Parallel After Disconnecting the Voltage Source?
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16
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Maxwell's modification to Ampere's law
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What is the Perpetual Motion Machine using Magnets?
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Static electricity - Quantity of charge induced.
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Energy conversion in a hydroelectric dam
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Understanding Faraday's Law: Investigating Phase Shift in an AC Circuit
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A ferromagnet exposed to two fields at the same time?
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3
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Sound Wave, Microphone and Electromagnetic Induction
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6
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Prediction of electron position
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Nyquist frequency for a system with rectangular pixels
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1
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Electric charge on conductors , capacitors
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3
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Receding Electric field/Magnetic Field?
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6
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Why electric field is zero inside a conductor?
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5
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The Hysteresis Loop of Raw Iron: Understanding Coercivity and Magnetization
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8
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Spherical Ball with uniform Charge Density
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3
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Sun now has only a south magnetic pole?
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6
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2K
What gives the charge of particle?
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4
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Is There a Relationship Between Mass, Charge, and Energy in Our Universe?
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7
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Scaling Maxwell's Demon Experiment: Macro-Level Rigid Ball Suspension
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Thought experiment with electron and proton
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40
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Detecting the Earth's magnetic field
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2
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Power & Magnetism: Calculating Resistance & Loss
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2
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What Determines the Value of km in Magnetic Field Calculations?
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1
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How Does an Electron's Charge Avoid Repulsing Itself?
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Two positively charged plates : interaction force
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5
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Atomic description of what happens in a capacitor.
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5
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How to test cutoff frequency of IR filter on camera?
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3
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Converting everyday heat energy into electricity
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1
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Does Using a Chip in a DC Voltage Supply Reduce Average Voltage Significantly?
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2
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Will a magnet lift a very thin coated sheet of nickel?
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3
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Is Gauss's Law Valid for Moving Charges?
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Electrostatics - hollow charged sphere
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1
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Relationship between radiation flux and count rate of a scintillator
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Polarized Electromagnetic Waves
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Spacial distance of paired electrons
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2
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Question: will highly charged metals break apart?
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2
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1K
What Is The Difference Between These Dielectric Terms?
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2
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Transformers : flux leakage and saturation current
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1
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Effects of Electron/Ion Particle Spray on Antennae
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Radiation of an accelerated charge
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Current-voltage relation for series association of variable capacitors
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2
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Magnetic field of a moving charged particle
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33
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Why is an electron a positron going backwards in time?
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15
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Magnetic field due to a solenoid.
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4
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Energy required to magnetize soft iron?
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1
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Conservation of energy in magnets
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6
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The Fundamental Differences Between Electric and Magnetic Fields in Relativity
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9
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Electric field of a magnetic monopole
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7
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Work Done per Unit Charge vs Current
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10
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Current = Voltage/Resistance or Power/Voltage?
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10
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Diamagnetic electrons in a homogenous magnetic field
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5
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Lamor precession and diamagnetism
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2
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Insulated vs uninsulated wire in electromagnet
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3
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11K
Charge and field distribution for spherical conductor with cavity
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8
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Interaction between current and magnetic field
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2
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What is the relationship between free and bound charge in Ohm's Law?
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11
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3K

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