Electromagnetism Forum

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Why Can Some Electromagnetic Waves Pass Through Materials While Others Cannot?
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12
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6K
Charges on outer surface only for conductors or all charged bodies?
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7
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6K
Coulomb's law universal or not?
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15
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12K
Superconductor with no current?
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1
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Electromagnetism and Feynman diagrams
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1
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Capacitors,dielectrics and electrostatic forces
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2
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Photoelectric effect (questions)
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4
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3K
Magnetic field between two solenoids
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2
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16K
Understanding Wavelength & Frequency: c vs. v
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7
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6K
How do conductors and insulators behave in an electric field?
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2
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Understanding Electric Discharges in Gas Tubes: Experiments and Atomic Structure
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1
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Magnetic Fields: I don't understand cylindrical current systems
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3
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Why is my Faraday cage not working?
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19
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12K
Exploding Polarized Capacitors - Causes and Mechanisms
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2
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3K
Help understanding theory of Charge distribution
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4
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A few questions about Resistance and DC Circuits
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4
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Why do we convert a galvanometer into voltmeter and ammeter?
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4
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7K
How Do Revolutions Per Second Impact Force in Eddy-Current Speedometers?
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2
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Kinetic Energy -> Electrical Energy
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14
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Why Don't Metals Get Charged by Friction?
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4
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8K
What is the Visual Model for Voltage?
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18
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8K
Voltage question (photoelectric effect)
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3
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3K
Electric power transmission - what is different at a particle level?
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7
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3K
Calculating Energy Stored in a Metallic Object in a Magnetic Field
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5
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3K
Electromagnets and Permanent Magnets
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3
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Understanding Static Electricity: How Walking on Carpet Creates Voltage
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5
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4K
Ampere's Law and partial-circular wires.
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7
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8K
Question about frequency versus wavelength
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7
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4K
Can you shape a magnetic field?
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3
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5K
Magnetic field outside a solenoid in 3D in terms of position
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1
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Charged objects and the force between them?
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2
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3K
Why only gold in leaf electroscope?
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2
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6K
Resistance: An Electrical Density of Materials
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1
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Why magnetic field deflects a charged particle.?
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1
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2K
How Long Can Magnets Maintain Their Properties in a Repelling Magnetic Field?
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1
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Is Magnetic Reconnection a Valid Phenomenon in Astronomy?
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11
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3K
What Is the Potential at the Surface of a Charged Conductor Plate?
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4
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22K
Using a magnetometer to compute the magentic moment of a magnet.
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3
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3K
What determins the electrical resistivity of different metals?
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2
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15K
Where does the energy in a discharged capacitor go?
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4
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15K
Experimental proof of electrostatic equilibrium
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7
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3K
Component form of magnetic field
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2
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10K
Why Can Tight-Binding and DFT Models Assume Electrons are Non-Interacting?
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1
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2K
Magnetic field in a particle accelerator
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3
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6K
Is current a vector or scalar?
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21
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15K
Electric charge attraction and repulsion
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3
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28K
Why or How an electron REVOLVE around the Atom ?
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14
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9K
Unexplained Magnetism: My Strange Experience with Store Alarms
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8
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4K
What is the correct definition of an electric field from a line of charge?
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9
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4K
Questions about Electrical Field and Magnetic Field
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6
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4K
How does electromagnetic induction work on different types of wire?
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22
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8K
Lighting bulbs with magnetic fields
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2
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First Time Electron Filmed: What's Going On?
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4
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4K
How Does Current Flow Create a Magnetic Field Around a Wire?
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1
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4K
Electrodynamics problem: charge origin?
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1
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3K
Trying to understand Magnetic Braking
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4
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No Magnetic Fields: Divergence & Curl of B=0
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3
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2K
Ampere's swimming rule about magnetic field around a current carrying conductor
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1
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16K
What is the relationship between electric force and distance between particles?
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4
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3K
How Do You Calculate Electrical Resistance in Complex Geometric Shapes?
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5
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4K
Unraveling the Mystery of Electric Fields & Atoms
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5
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Charges on Faraday ice bucket like conductors
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1
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4K
Electric field formula vs coulombs law, contradiction?
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1
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10K
Wavelength of an Electromagnetic wave
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4
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11K
Doesn't Alternating current cause fatigue?
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5
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3K
Induction of a coil and force exerted on magnet in a magnetic field
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1
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Create an Electric Device that Lights Up 2 Feet Away | DIY Guide
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2
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2K
Electrostatic forces and the principle of superposition
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6
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15K
Electrostatic Experiments: Why Not Work on Humid Days?
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2
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4K
Induction in an inflating loop in constant B?
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2
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3K
New intros to Maxwell's Equations, Special and General Relativity
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9
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7K
Trying to understand Electromagnetic waves
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5
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3K
What is the potential difference and charge on capacitors connected in series?
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1
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How to Define Electric Charge?
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4
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How does t=1 second relate to the Planck length?
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3
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2K
Understanding Ampere's Law: What Does the Current Enclosed Mean?
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1
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Conceptual Question on Current
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4
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Make an Electromagnetic Motor: Overcome Short-Circuiting
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4
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Understanding Magnetic Flux: Visualization & Beyond
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1
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What property of a magnet determines which side of it is N or S?
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2
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What frequency is a dog whistle and a tv at?
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23
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16K
Dirac Delta function and charge density.
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1
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Do the electrons spend energy, and where that energy goes?
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7
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3K
Questioning of fundamentals of current flow
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1
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Is Sitting on an Electric Wire Harmless for Birds?
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13
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7K
Leyden Jar Capacitor Recharging?
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14
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Antenna and Magnet: A Curious Explorer's Tale
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17
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Minimum wavelength of light and electrons? Microscope related.
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9
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12K
Magnetic Flux Density: B, \phi, H - True or False?
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6
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21K
Slightly philosophical question about magnetism
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2
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3K
Electrocuted by household static…?
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7
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7K
Why does Coulomb's Law have a pi in the denominator while Gauss' Law does not?
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1
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3K
AC vs DC Generated Magnetic Field
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3
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Electric Flux: Does Material Matter?
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2
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Is Free Fall Possible Without Air Resistance?
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3
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Potential/self energy of a charged spherical shell
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13
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40K
Gauss's Law with Dielectric: Deriving and Applying the Most General Form
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2
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9K
Understanding the Photoelectric Effect: Electrons and Energy
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22
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7K
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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4K

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