Electromagnetism Forum

Threads

Graduate Moving magnet and conductor - Residual worry

  • Philip Wood
  • · Replies 11 ·
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11

Graduate How Is Energy Lost in a Resistanceless System?

  • VishalChauhan
  • · Replies 10 ·
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10

Graduate Understanding the Stationary Electron: Impact on Magnetic Fields

  • sahil_time
  • · Replies 21 ·
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21

Graduate Predict Magnetic Permeability?

  • xx0numb0xx
  • · Replies 2 ·
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2

Undergrad Relation between charge and voltage in spherical capacitors

  • abdo799
  • · Replies 8 ·
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8

Undergrad EM Waves & Forces: Does a Particle Feel Force?

  • VishalChauhan
  • · Replies 5 ·
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5

Undergrad Why doesn't the outer charge affect the electric flux in Gauss's law?

  • oneplusone
  • · Replies 2 ·
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2

Graduate How is the Total Energy of a Magnetic Field in Matter Calculated?

  • LayMuon
  • · Replies 3 ·
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3

Graduate Exploring Laplace's Equation: Separation of Variables Method in Electrodynamics

  • vikasagartha
  • · Replies 3 ·
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3

Graduate How do I get energy from a perpetually moving electron?

  • acesuv
  • · Replies 2 ·
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2

Graduate A question about damped resonant frequency

  • haisydinh
  • · Replies 5 ·
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5

Undergrad Resistance & Electrical Circuits

  • Jimmy87
  • · Replies 5 ·
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5

Undergrad Why not Solar -> Electrolysis -> Burn to make steam energy?

  • andywelik
  • · Replies 13 ·
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13

Undergrad Calculating the requirements for magnetic levitation

  • downtownjapan
  • · Replies 1 ·
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1

Undergrad Induced charges and their distribution

  • arvindsharma
  • · Replies 3 ·
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3

Graduate Discovering Photon Flux from UV Source

  • phyzphys
  • · Replies 3 ·
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3

Graduate Current in an infinite current sheet

  • chipotleaway
  • · Replies 1 ·
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1

Undergrad Stationary Electron accelerated through potential difference

  • dr.mt
  • · Replies 4 ·
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4

High School Electrons Collide: What Happens?

  • Antigone
  • · Replies 4 ·
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4

Undergrad What Happens to a Magnet Near Two Opposing Currents?

  • Antigone
  • · Replies 6 ·
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6

Undergrad Building up some intuition with Gauss's LAw

  • H2Bro
  • · Replies 2 ·
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2

Undergrad Solving Circuits with Multiple Cells & Capacitors

  • MathewsMD
  • · Replies 1 ·
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1

High School How do you safely discharge a capacitor?

  • AJKing
  • · Replies 6 ·
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6

Undergrad Kirchhoff's Law: Detailed Mathematical Deduction (Proof)

  • koustav
  • · Replies 11 ·
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11

Graduate Can you add potentials if charge redistributes?

  • amiras
  • · Replies 6 ·
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6

High School Experimenting with Capacitor Discharge Arcs: What's Going On?

  • PhysicoRaj
  • · Replies 5 ·
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5

Undergrad RC circuit question: In vs. Out phase angle

  • Habeebe
  • · Replies 3 ·
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3

Undergrad Natural Frequency: Why Does It Exist & Can It Be Changed?

  • Manraj singh
  • · Replies 18 ·
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18

Undergrad Question regarding magnetic fields being unable to do work?

  • Ascendant78
  • · Replies 7 ·
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7

Undergrad Convection Currents Explained - No Pressure Difference

  • Jimmy87
  • · Replies 3 ·
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3

Graduate Why must a charged particle be accelerated to produced photons?

  • deadscientist
  • · Replies 1 ·
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1

High School Current of Electrons: Magnetic Field & Protons

  • Antigone
  • · Replies 8 ·
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8

Undergrad Voltage & Capacitance: LanguageNerd's Questions

  • LanguageNerd
  • · Replies 7 ·
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7

Graduate Current loops and electric dipoles

  • amir11
  • · Replies 10 ·
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10

Graduate Ionization and electrical charges

  • Max Plankton
  • · Replies 1 ·
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1

Undergrad Understanding the Relationship between Amplitude and Frequency in Waves

  • rauletechuleta
  • · Replies 24 ·
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24

Undergrad How to Weaken Magnetic Pull Between Magnets for Easy Separation?

  • manp
  • · Replies 3 ·
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3

Undergrad Neodymium Magnets as energy storage?

  • Mechatron
  • · Replies 2 ·
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2

Undergrad Behavior of a capacitor with varying capacitance

  • FireStorm000
  • · Replies 8 ·
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8

Undergrad Q about electric field between two parallel plates

  • asdff529
  • · Replies 4 ·
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4

Undergrad Does Every Iron Core Have the Same Relative Permeability?

  • Dash-IQ
  • · Replies 3 ·
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3

Undergrad Transformers & Phase Difference

  • Freddy86
  • · Replies 2 ·
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2

High School Static Electricity: Charging by Friction: Understanding MIT demo

  • poonintoon
  • · Replies 1 ·
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1

Graduate Conducting loop suspended in a magnetic field

  • ShayanJ
  • · Replies 8 ·
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8

Graduate Capacitor voltage, charge, energy working in and out

  • Mr.Bomzh
  • · Replies 1 ·
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1

Undergrad What causes an electron to flow in a current?

  • bhagwad
  • · Replies 16 ·
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16

Undergrad Can High Frequency Signals Flow Without a Medium?

  • likephysics
  • · Replies 3 ·
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3

Undergrad Examining DC Signals & Batteries: What's the Difference?

  • y33t
  • · Replies 14 ·
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14

Undergrad Need help on electromagnetic poles and induced current

  • vearnwong
  • · Replies 2 ·
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2

Undergrad What is the net charge and why does it matter?

  • CURIE WILLEY
  • · Replies 65 ·
3
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65

Graduate Show equivalence of Force to Lorentz Force

  • vinceclortho
  • · Replies 2 ·
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2

Undergrad Van de graff generators maximum voltage

  • abdo799
  • · Replies 1 ·
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1

Graduate Formation of a wavefunction, charge density

  • jajabinker
  • · Replies 3 ·
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3

Graduate What Does Higher Permittivity Substrates Mean for Unit-to-Wavelength Ratio?

  • Noudi
  • · Replies 2 ·
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2

Graduate Electromagnetic force between Parallel Currents

  • Dyon
  • · Replies 10 ·
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10

Graduate DIAMAGNETIC LEVITATION: can a frog really levitate?

  • maajdl
  • · Replies 4 ·
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4

Undergrad Understanding Back EMF and Inductors: A Closer Look at KVL and Induced Voltage

  • nDever
  • · Replies 10 ·
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10

Undergrad Does metal powder in water disperse when water is being charged?

  • kevin_tee
  • · Replies 3 ·
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3

Graduate Question regarding conduction current

  • yykcw
  • · Replies 3 ·
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3

Undergrad The Science of Magnets: Lodestones & Synthetics

  • Antigone
  • · Replies 3 ·
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3

Graduate Array of magnets around a sphere

  • intervoxel
  • · Replies 4 ·
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4

Undergrad Are All Electrostatic Objects Magnetic?

  • Antigone
  • · Replies 2 ·
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2

Undergrad Help explain the capacitance definition in Spice

  • anhnha
  • · Replies 1 ·
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1

Undergrad Light and Faraday Cage confusion

  • mbaron13
  • · Replies 12 ·
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12

High School Magnetic attraction to ferromagnetic material

  • 2345qwert
  • · Replies 6 ·
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6

High School Can Light Be Absorbed Like a Magnet?

  • Nugso
  • · Replies 10 ·
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10

Undergrad Voltage as the cause of motion of charges?

  • gralla55
  • · Replies 34 ·
2
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34

Undergrad Experiment: EMF from Moving Wires in a Magnetic Field

  • alva
  • · Replies 3 ·
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3

High School What does resistance mean here?

  • threy
  • · Replies 3 ·
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3

Undergrad Maximizing Magnetic Field Range: Tips for Increasing Detection Distance

  • hopelessmagnet
  • · Replies 4 ·
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4

Graduate Do Electrons Lose Heat? Answers to Questions Explained

  • Northprairieman
  • · Replies 5 ·
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5

Graduate How does an electron lose energy during quantum leaps?

  • PFuser1232
  • · Replies 1 ·
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1

Graduate Can EM Waves Levitate Objects in a Transparent Plasma?

  • Crazymechanic
  • · Replies 5 ·
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5

Undergrad Electricity generation - gear mechanics and speed

  • Yoann
  • · Replies 12 ·
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12

Undergrad Electrostatic force, voltage, electrostatic potential

  • dara bayat
  • · Replies 3 ·
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3

Undergrad Is the electric field stronger in resistors with higher resistance?

  • Mr.Bomzh
  • · Replies 72 ·
3
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72

Graduate Electromagnetic wave emission after source vanishes

  • PeteyCoco
  • · Replies 2 ·
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2

Graduate Calculate Magnetic Field of Moving Magnetic Dipole

  • ShayanJ
  • · Replies 2 ·
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2

Undergrad Calculating Sound Amplitude Degradation in Water

  • JoaoCorvina
  • · Replies 2 ·
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2

Graduate Acoustic Focusing of particles on a large scale

  • taylaron
  • · Replies 1 ·
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1

Undergrad Electromagnetism and Beta Decay

  • ShrodingersCat
  • · Replies 2 ·
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2

Graduate Displacement and conduction currents

  • TrickyDicky
  • · Replies 5 ·
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5

Graduate Symmetry of gravitational field to electric field and Maxwell equation

  • PBTR3
  • · Replies 1 ·
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1

Undergrad Attraction due to charge particles and attraction due to gravity

  • rajeshmarndi
  • · Replies 7 ·
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7

Graduate What's the Difference Between Prolate and Oblate Holes?

  • pero2912
  • · Replies 13 ·
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13

Graduate A question about the point of action of the magnetic force

  • sergioro
  • · Replies 3 ·
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3

High School How Do Charges Distribute Energy in Series Circuits?

  • fishspawned
  • · Replies 9 ·
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9

High School Understanding Conventional Current: Is It Directed Back into Source?

  • LanguageNerd
  • · Replies 2 ·
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2

Undergrad Tesla Coil - Capacitor necessary?

  • LanguageNerd
  • · Replies 9 ·
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9

Undergrad Complex circuit exam practice questions?

  • Coco12
  • · Replies 1 ·
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1

Undergrad Is back EMF equal to the induced EMF in self-induction?

  • Entanglement
  • · Replies 4 ·
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4

Graduate Understanding field representation of force

  • Anupam
  • · Replies 3 ·
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3

Undergrad Wire cutting magnetic field lines

  • Entanglement
  • · Replies 81 ·
3
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81

Undergrad Why does surface charge density change for an inner surface?

  • Ascendant78
  • · Replies 2 ·
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2

Graduate Current Loop equivalent to Earth's Magnetic Field

  • .Scott
  • · Replies 2 ·
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2

Undergrad Forces acting on two parallel wires carrying current which producing B

  • kira506
  • · Replies 18 ·
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18

High School Does Voltage Work Against Electron Movement?

  • kjeldsmark
  • · Replies 63 ·
3
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63

Undergrad Generation of Static Electricity

  • eqm
  • · Replies 1 ·
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1

Graduate Would modeling collisions using Coulomb forces be useful?

  • pantheid
  • · Replies 3 ·
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3

Graduate Electric Field of a Conducting Surface

  • kmm
  • · Replies 17 ·
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17