Electromagnetism Forum

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Undergrad Voltage question (photoelectric effect)
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3K
Graduate Electric power transmission - what is different at a particle level?
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3K
Undergrad Calculating Energy Stored in a Metallic Object in a Magnetic Field
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Undergrad Electromagnets and Permanent Magnets
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Undergrad Understanding Static Electricity: How Walking on Carpet Creates Voltage
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Undergrad Ampere's Law and partial-circular wires.
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Undergrad Question about frequency versus wavelength
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7
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4K
High School Can you shape a magnetic field?
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3
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6K
High School How can I improve the functionality of my Zune radio transmitter?
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3
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5K
Graduate Magnetic field outside a solenoid in 3D in terms of position
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Undergrad Charged objects and the force between them?
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3K
High School Why only gold in leaf electroscope?
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2
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Undergrad Resistance: An Electrical Density of Materials
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High School Why magnetic field deflects a charged particle.?
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2K
High School How Long Can Magnets Maintain Their Properties in a Repelling Magnetic Field?
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Graduate Is Magnetic Reconnection a Valid Phenomenon in Astronomy?
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4K
Undergrad What Is the Potential at the Surface of a Charged Conductor Plate?
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22K
Undergrad Using a magnetometer to compute the magentic moment of a magnet.
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3K
Undergrad What determins the electrical resistivity of different metals?
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15K
High School Where does the energy in a discharged capacitor go?
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4
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15K
Undergrad Experimental proof of electrostatic equilibrium
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4K
Undergrad Component form of magnetic field
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11K
Graduate Why Can Tight-Binding and DFT Models Assume Electrons are Non-Interacting?
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3K
Undergrad Magnetic field in a particle accelerator
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3
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6K
High School Why is the Small LED on my Screwdriver Lighting Up?
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4
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2K
Undergrad Is current a vector or scalar?
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15K
Undergrad Electric charge attraction and repulsion
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28K
High School Why or How an electron REVOLVE around the Atom ?
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9K
Unexplained Magnetism: My Strange Experience with Store Alarms
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8
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Graduate What is the correct definition of an electric field from a line of charge?
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High School Questions about Electrical Field and Magnetic Field
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Undergrad How does electromagnetic induction work on different types of wire?
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Undergrad Lighting bulbs with magnetic fields
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Graduate First Time Electron Filmed: What's Going On?
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4
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High School How Does Current Flow Create a Magnetic Field Around a Wire?
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Graduate Electrodynamics problem: charge origin?
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Undergrad Trying to understand Magnetic Braking
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Undergrad LC Circuit: Initial Conditions and Switch
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7K
Undergrad Does a Negative Charged Conductor Ice Pail Lose Charges When Touched Inside?
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Graduate No Magnetic Fields: Divergence & Curl of B=0
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Graduate Does Gauss' Law Hold for Non-Conservative Electric Fields?
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Undergrad Ampere's swimming rule about magnetic field around a current carrying conductor
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High School What is the relationship between electric force and distance between particles?
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Undergrad How Do You Calculate Electrical Resistance in Complex Geometric Shapes?
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Graduate Unraveling the Mystery of Electric Fields & Atoms
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Graduate Charges on Faraday ice bucket like conductors
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Graduate Shield Principle Clarified: Inside-Outside Electric Field Independency
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Undergrad Electric field formula vs coulombs law, contradiction?
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10K
Undergrad Differential Form of Gauss's Law
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Graduate Wavelength of an Electromagnetic wave
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Undergrad Doesn't Alternating current cause fatigue?
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Undergrad Induction of a coil and force exerted on magnet in a magnetic field
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High School Create an Electric Device that Lights Up 2 Feet Away | DIY Guide
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Undergrad Electrostatic forces and the principle of superposition
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High School Electrostatic Experiments: Why Not Work on Humid Days?
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Graduate Induction in an inflating loop in constant B?
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Graduate New intros to Maxwell's Equations, Special and General Relativity
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Graduate Trying to understand Electromagnetic waves
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Undergrad What is the potential difference and charge on capacitors connected in series?
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High School How to Define Electric Charge?
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Graduate How does t=1 second relate to the Planck length?
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High School Understanding Ampere's Law: What Does the Current Enclosed Mean?
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Undergrad Conceptual Question on Current
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Undergrad Make an Electromagnetic Motor: Overcome Short-Circuiting
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High School Understanding Magnetic Flux: Visualization & Beyond
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High School What property of a magnet determines which side of it is N or S?
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High School What frequency is a dog whistle and a tv at?
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Graduate Dirac Delta function and charge density.
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High School Do the electrons spend energy, and where that energy goes?
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Undergrad Example for Poynting's Theorem
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Undergrad Questioning of fundamentals of current flow
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Undergrad Is Sitting on an Electric Wire Harmless for Birds?
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High School Leyden Jar Capacitor Recharging?
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14
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High School Antenna and Magnet: A Curious Explorer's Tale
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15K
Undergrad Minimum wavelength of light and electrons? Microscope related.
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12K
Undergrad Magnetic Flux Density: B, \phi, H - True or False?
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6
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21K
Undergrad Where does the energy come from?
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4
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High School Out of the Loop (no pun intended)
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Graduate Slightly philosophical question about magnetism
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2
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3K
Electrocuted by household static…?
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7K
Undergrad Why does Coulomb's Law have a pi in the denominator while Gauss' Law does not?
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3K
Undergrad AC vs DC Generated Magnetic Field
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High School Electric Flux: Does Material Matter?
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High School Is Free Fall Possible Without Air Resistance?
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4K
Undergrad How a potentiometer can be used to measure an unknown emf?
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3
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4K
Undergrad Potential/self energy of a charged spherical shell
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41K
High School Why does fuse wire always break in the middle?
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8
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Undergrad Gauss's Law with Dielectric: Deriving and Applying the Most General Form
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2
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Undergrad Understanding the Photoelectric Effect: Electrons and Energy
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Graduate Gauss's and Coulomb's law forms and gravitational field
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Undergrad A conceptual question about current
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Graduate Explaining Toroidal Transformers & Their Self-Shielding Properties
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Undergrad Electric Field Produced by an Infinite Sheet.
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High School TV Researcher needs help w/ electromagnet
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High School Electric or Magentic fields dangerous?
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Graduate Isolation from magnetic field?
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9
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19K
Undergrad Electric field drop exponentially
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Undergrad Air cooled coil electromagnet ?
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Undergrad Finding Formulas for College ASME Project
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Undergrad Amount of charge spherical conductor can hold in air
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