Electromagnetism Forum

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Undergrad Can Springs and Capacitors Be Compared in Energy Storage?
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High School Area of a Parallel Plate capacitor. Pi*r^2?
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Graduate The Earth's Electric Field and the size of Dinosaurs.
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Graduate Why can't time-varying EM fields exist in a perfect conductor?
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Graduate The Electromagnetic Spectrum: Wavelengths, Limits, and the Universe
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Undergrad Coils & Questions: Charging Batteries with Magnets
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Graduate Force on Magnetized Fluid: Intuitive Explanation
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Graduate Create High Voltage Zero Current Pure Electrostatic Device
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Undergrad Electical shock, electrocution questions
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Undergrad Understanding Electric Potential: Work and Infinity Explained
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Undergrad E and M fields in a faraday cage
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Undergrad Question about the comparative masses of Protons, Neutrons, and Electrons
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Undergrad Can somebody tell my where I am going to wrong.
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Undergrad What is the impact of air resistance on projectile motion?
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Graduate Is the Total Charge in the Universe Really Zero?
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Undergrad Water droplet problem/electric fields
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High School Thickness of bulb filament affect brightness?
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Graduate Speed of Electricity: Is it Possible for Electrons to Travel at c?
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Undergrad Electric Fields equation force
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Undergrad Understanding Voltage at the Microscopic Level: How Does It Really Work?
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Undergrad What Happens When Current is Introduced into an Ungrounded Faraday Cage?
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Undergrad Calculating the electric field
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Undergrad Gauss's Law: Net Charge Enclosed by Surface?
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Undergrad Does Pipe Diameter Affect Water Flow Rate?
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Undergrad Step down transformers & efficiency?
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Undergrad Coulomb's Law vs. Gauss's Law Paradox
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Graduate Ideal conductor and charge movement
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High School Discharge a magnetized bearing
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Undergrad Can external current pass through Faraday cage,like thunder?
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Undergrad Why a magnetic flux in closed surface area is always 0?
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Graduate Can an antenna with a positive charge emit a radio wave, and why or why not?
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Graduate Symmetry and Conservation of Charge
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High School Why the induced emf is always negative?
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Undergrad Where does faraday's law come from (law of induction)
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Graduate Electric field becomes electromagnetic waves if observer is moving
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Graduate Why is this apparent violation of the action and reaction law occurring?
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High School What is change in the magnetic flux (delta B)?
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Graduate Problem with differential form of Maxwell's third equation?
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Graduate Dielectrics scattering electromagnetic waves
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Undergrad BCalculate Speed of Electrons/Current in Circuits - Sparky_B
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High School Which Rod Transfers More Charge to a Metal Ball?
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Graduate How does magnetism arise in permanent magnets?
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Undergrad Where is has the other half of the energy gone ?
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Undergrad EM Waves: How Do They Get Generated?
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High School Can Radio Waves Produce Electricity in a Large Coil of Wire?
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Graduate Charged Massless Waves in Maxwells Equations?
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High School Why does my TV turn on by itself sometimes?
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Graduate What exactly happens in a conducting conductor?
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Undergrad Relative Permeability of Lead: Can I Assume Value of 1?
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Graduate A general problem with magnetism
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Undergrad What makes the electrons move in conductor? (em induction)
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High School Really basic resistance question, but not sure.
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High School Which Adapter Requires More Watts for My Device?
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Graduate Dielectric constant depression of water?
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Graduate Supressing dielectric constant of water?
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Undergrad Calculating Load of an Electromagnet
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Undergrad Electromagnetic/gravitational fields
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Graduate Magnetohydrodynamic Generator (POPTOR 2005)
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Graduate Solving electrostatic, rotationally symmetric 3D problem with conformal mapping?
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High School Where would a voltmeter read 0 in a simple circuit?
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Undergrad How does the turns ratio affect the current and voltage in a transformer?
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Graduate Electric potential energy in an infinite 2d crystal
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Graduate Why Is There a -1/4 Factor in the Electromagnetic Lagrangian?
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Graduate Time dependent electric force at large distance
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Undergrad Coulomb's Law: Meaning and Origin of 4*pi
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Graduate Can Divergence Exist Without Magnetic Monopoles?
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Undergrad Help with a little project I'm trying to do:
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High School How do Resistors and Capacitors behave in parallel circuits?
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High School Resistors in Series: Why Don't Electrons Use All Energy?
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Graduate Electrostatic Speed Experiments?
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Graduate Understanding Ampere's Law, Gauss's Law, and the Continuity Equation
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High School Electrons speed and magnetic fields
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Graduate Electrostatic force between two arbitrary shapes
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Graduate Ferromagnetism, electrodynamics and field theory
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High School EM Waves: Understanding w/o Quantum Mechanics?
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Graduate EMF Shielding: Examining the Effects on Static Magnetic Fields
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High School Can a Magnet Move Constantly Without Any External Force?
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Undergrad How do EM waves propagate in spherical emission?
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Undergrad What Determines a Solenoid's Magnetic Field: Voltage or Power?
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Graduate Does the Net Charge of a Dielectric Affect the External Electric Field?
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Graduate Light momentum inside a dielectric medium?
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Undergrad Finding out internal resistance of a lemon when used as a power supply
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Undergrad Are E and B Fields Always Perpendicular?
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Undergrad DC to AC oscilator and transformer
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Undergrad Voltage - Sign convention problems
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Undergrad Why is electric pulse attenuation measured in dB using natural logarithms?
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Undergrad How does a tank circuit work in a radio?
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Graduate Infinitely Long Magnet: Effects on Stationary Charged Particle
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Graduate Non-Ideal Lorentzians: Quantifying Shape Deviation from Ideal
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Undergrad How Fast Does a Magnetic Field Propagate?
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Graduate Electrons qualifying as dark matter?
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Undergrad Photoelectric Effect: Is There a Problem?
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High School What is the definition of electricity?
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Undergrad Could a DC Motor Work with Only Two Sides of Copper in the Magnetic Field?
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Graduate Create Uniformly Charged Cylindrical Shell w/ Quickfield
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Graduate Poisson's equation and Green's functions
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High School Why is sunlight considered electromagnetic radiation?
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Graduate Lorentz Invariance and Non-Galilean Invariance of Maxwell's Equations
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Graduate Perfect Diamagnetism: Properties Necessary for Ideal State
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Undergrad Are Gauss's Law and Coulomb's Law Equivalent?
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