Electromagnetism Forum

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How does a magnetic crane lift a car if the magnetic force doesn't do any work?
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What Causes the Charging Sound of a Capacitor?
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Which electron travels from - to +?
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What is charge and what are the reality of fields?
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Reflux still at the molecular level?
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Why Can Some Electromagnetic Waves Pass Through Materials While Others Cannot?
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Charges on outer surface only for conductors or all charged bodies?
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Coulomb's law universal or not?
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Superconductor with no current?
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Electromagnetism and Feynman diagrams
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Capacitors,dielectrics and electrostatic forces
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Photoelectric effect (questions)
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Magnetic field between two solenoids
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Understanding Wavelength & Frequency: c vs. v
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How do conductors and insulators behave in an electric field?
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Understanding Electric Discharges in Gas Tubes: Experiments and Atomic Structure
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Magnetic Fields: I don't understand cylindrical current systems
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Why is my Faraday cage not working?
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19
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Exploding Polarized Capacitors - Causes and Mechanisms
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Help understanding theory of Charge distribution
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A few questions about Resistance and DC Circuits
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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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Kinetic Energy -> Electrical Energy
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Why Don't Metals Get Charged by Friction?
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4
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What is the Visual Model for Voltage?
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18
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Voltage question (photoelectric effect)
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3
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Electric power transmission - what is different at a particle level?
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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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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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Can you shape a magnetic field?
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3
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Magnetic field outside a solenoid in 3D in terms of position
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Charged objects and the force between them?
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2
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Why only gold in leaf electroscope?
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2
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Resistance: An Electrical Density of Materials
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Why magnetic field deflects a charged particle.?
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1
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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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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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Component form of magnetic field
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Why Can Tight-Binding and DFT Models Assume Electrons are Non-Interacting?
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1
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Magnetic field in a particle accelerator
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3
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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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Why or How an electron REVOLVE around the Atom ?
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Unexplained Magnetism: My Strange Experience with Store Alarms
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8
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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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How does electromagnetic induction work on different types of wire?
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22
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Lighting bulbs with magnetic fields
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First Time Electron Filmed: What's Going On?
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4
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How Does Current Flow Create a Magnetic Field Around a Wire?
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1
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Electrodynamics problem: charge origin?
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1
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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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Ampere's swimming rule about magnetic field around a current carrying conductor
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1
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What is the relationship between electric force and distance between particles?
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4
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How Do You Calculate Electrical Resistance in Complex Geometric Shapes?
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5
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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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Electric field formula vs coulombs law, contradiction?
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1
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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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Induction of a coil and force exerted on magnet in a magnetic field
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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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Electrostatic forces and the principle of superposition
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6
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Electrostatic Experiments: Why Not Work on Humid Days?
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2
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Induction in an inflating loop in constant B?
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2
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New intros to Maxwell's Equations, Special and General Relativity
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9
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Trying to understand Electromagnetic waves
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5
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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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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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Dirac Delta function and charge density.
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Do the electrons spend energy, and where that energy goes?
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Questioning of fundamentals of current flow
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Is Sitting on an Electric Wire Harmless for Birds?
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13
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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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Magnetic Flux Density: B, \phi, H - True or False?
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6
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Slightly philosophical question about magnetism
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2
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Electrocuted by household static…?
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7
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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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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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