Electromagnetism Forum

Threads

Undergrad How can ampere be considered as base quantity?

  • abi.ayan
  • · Replies 4 ·
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4

Graduate Calculating E-field and potential of a charged ring

  • earthsandwich
  • · Replies 2 ·
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2

Graduate Simulating e&m wave propagation

  • hangainlover
  • · Replies 3 ·
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3

Graduate Can electrons have kinetic energy at 0 Kelvin?

  • Hyo X
  • · Replies 3 ·
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3

Undergrad Where Can I Find a Free Electromagnetic Field Simulator?

  • Astrum
  • · Replies 1 ·
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1

Graduate Which Method is More Effective for Compressing Gas: Electric or Magnetic Field?

  • Crazymechanic
  • · Replies 10 ·
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10

Undergrad Electricity(Electric potential)

  • marvelous
  • · Replies 2 ·
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2

Undergrad Electricity (Electric potential)

  • marvelous
  • · Replies 6 ·
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6

Undergrad What is Lorent'z gauge condition and how is it applied in real life situations?

  • otpisani
  • · Replies 3 ·
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3

Graduate How does an electromagnetic wave propagate in space?

  • greymatter
  • · Replies 10 ·
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10

Graduate Stoke's Theorem - Curl of a Magnetic Field

  • Astrum
  • · Replies 6 ·
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6

Graduate I feel like the term fundamental fields is a cop out

  • jaydnul
  • · Replies 9 ·
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9

High School Why the plates bcomes charged as soon as they are connected?

  • marvelous
  • · Replies 1 ·
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1

Undergrad Lc Circuit Question: Understanding Oscillations and Polarity Changes

  • Crazymechanic
  • · Replies 8 ·
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8

Graduate Capacitance needed to heat Nichrome wire 34°

  • mLuby
  • · Replies 8 ·
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8

Undergrad Magnetic field and respecetive force

  • joao_pimentel
  • · Replies 12 ·
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12

Undergrad What causes electrons to move from the anode to the cathode in a galvanic cell?

  • Jimmy87
  • · Replies 1 ·
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1

Graduate Understanding the physics of antennas

  • harts
  • · Replies 3 ·
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3

Graduate How to find the mass-energy in a certain field

  • Positron137
  • · Replies 2 ·
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2

High School EMF Meters and Ferromagnetic Interference

  • Stoopchow
  • · Replies 4 ·
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4

Undergrad Equations to Simulate Electromagnetic Field Readings

  • Gibdo
  • · Replies 12 ·
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12

Graduate Why can there be no arcing in a perfect vacuum?

  • iScience
  • · Replies 13 ·
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13

Graduate Shouldn't a wire (coil) just store energy and not give it away?

  • ataskaita
  • · Replies 3 ·
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3

Graduate What is the potential ratio at the center and corner of a charged cube?

  • BucketOfFish
  • · Replies 6 ·
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6

Undergrad Help understanding Faraday cages .

  • Jimmy87
  • · Replies 3 ·
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3

Graduate What is the contribution of magnetic fields from individual loops in a solenoid?

  • OperationalAmp
  • · Replies 1 ·
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1

Undergrad Transforming heat to electricity with semiconductors?

  • Lasha
  • · Replies 9 ·
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9

High School Why the Electric field in a conductor in equilibrium ZERO?

  • marvelous
  • · Replies 3 ·
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3

Graduate Are Faraday waves acoustic waves?

  • harmonyU
  • · Replies 2 ·
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2

Undergrad Homeowners Want to Limit EMF Exposure by AC Units

  • Max CR
  • · Replies 7 ·
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7

High School How Does Magnet Strength Change Over Distance?

  • joeyh1234
  • · Replies 3 ·
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3

Graduate D'Alembertian and wave equation.

  • yungman
  • · Replies 3 ·
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3

Graduate Please explain this from a text book

  • yungman
  • · Replies 26 ·
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26

Graduate Gauge Transform: What Conditions Do We Need for $\psi$?

  • yungman
  • · Replies 9 ·
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9

Graduate Confirmation of understanding of electrodynamics

  • polomeister
  • · Replies 2 ·
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2

Undergrad Electric field in a hollow charged sphere

  • triphenylamine
  • · Replies 13 ·
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13

Graduate Mermin-Wagner theorem and 2D magnetism

  • SamBam77
  • · Replies 4 ·
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4

Graduate Is there a concept of 'state' in electrodynamics?

  • Logic Cloud
  • · Replies 1 ·
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1

Undergrad How does electron in a piezoelectric material flow to produce electric

  • kevin_tee
  • · Replies 2 ·
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2

Undergrad Simple doubt in induced charge

  • Vibhor
  • · Replies 4 ·
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4

Graduate How Does Grounding Affect Safety Inside a Faraday Cage with a Tesla Coil?

  • Crazymechanic
  • · Replies 13 ·
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13

Undergrad Affect of air resistance on a projectile

  • Pharrahnox
  • · Replies 11 ·
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11

High School How current relates to capacitance

  • JFS321
  • · Replies 3 ·
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3

Graduate Ideas on a material controlled by a magnetic field in molten steel

  • drcoxfate
  • · Replies 21 ·
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21

Graduate Calculation of Electric Susceptibility In Solids.

  • ChaseRLewis
  • · Replies 1 ·
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1

Undergrad How does the electromagnetic force bond atoms together?

  • exfret
  • · Replies 28 ·
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28

Graduate Electron vs. Photon's electrical potential

  • zheng89120
  • · Replies 6 ·
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6

Graduate Electric field , sphere , transformer.

  • Crazymechanic
  • · Replies 15 ·
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15

Graduate Integral from an electric field calculation

  • klawlor419
  • · Replies 2 ·
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2

Graduate Electrons: Questions about observations, semantics & concepts

  • jamesd1
  • · Replies 2 ·
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2

Graduate Static electric and magnetic fields and energy.

  • chingel
  • · Replies 3 ·
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3

Graduate Maxwell's Relations of Thermodynamic Functions

  • jhosamelly
  • · Replies 1 ·
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1

Undergrad Why magnet can attract liquid oxygen but not aluminium?both paramagnet

  • Outrageous
  • · Replies 3 ·
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3

High School Weight difference between a charge and discharged battery

  • leothorn
  • · Replies 39 ·
2
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39

Graduate Bound Charges - Polarized Distributions

  • Astrum
  • · Replies 20 ·
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20

Graduate Relationship between B and H fields in cylindrical magnetization

  • VinnyCee
  • · Replies 1 ·
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1

High School Rumors surrounding Tesla's free energy

  • Saado
  • · Replies 6 ·
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6

Graduate Transition of Electric field and potential between media

  • Gavroy
  • · Replies 1 ·
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1

Undergrad What Are EM Waves and How Do They Relate to Radiation?

  • iScience
  • · Replies 2 ·
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2

High School Why will there be no induced current?

  • Sunturday
  • · Replies 6 ·
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6

Graduate Consistency in finding electric field

  • ShayanJ
  • · Replies 13 ·
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13

Undergrad Thermoelectric Generator Experiment

  • SirBerr
  • · Replies 3 ·
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3

Graduate EM Waves, how are they created?

  • mesa
  • · Replies 29 ·
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29

High School Electric field Vector The Hub Of Electrostatics 1

  • i_am_ayush
  • · Replies 1 ·
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1

Undergrad Convert Magnetic Tape Faster Than Real Time?

  • theroundball
  • · Replies 7 ·
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7

High School CAN Current pass Through INDUCTOR in Ac circuit

  • singh.gurpreet
  • · Replies 3 ·
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3

Graduate Calculating mass and charge independently in a Paul Trap

  • Bravus
  • · Replies 2 ·
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2

Graduate Properties of this electric field

  • Gavroy
  • · Replies 12 ·
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12

Graduate Electric field in two materials

  • Gavroy
  • · Replies 3 ·
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3

Graduate Is a Gaussian surface truly arbitrary ?

  • Perpendicular
  • · Replies 9 ·
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9

Undergrad Electrons Absorbing Photons - Extra Energy

  • Legaldose
  • · Replies 5 ·
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5

Graduate Curl of the Polarization (Electrostatics)

  • ManuJulian
  • · Replies 3 ·
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3

Graduate Positive source for electromagnetic energy

  • ShayanJ
  • · Replies 2 ·
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2

High School Magnetic length of a bar magnet

  • phymathlover
  • · Replies 4 ·
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4

High School Why are the magnetic poles of a magnet are located somewhere within the magnet?

  • BIT1749
  • · Replies 9 ·
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9

Graduate How did they get this precession frequency of this gyroscope?

  • unscientific
  • · Replies 3 ·
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3

Graduate Effect of media on electric force

  • Gavroy
  • · Replies 5 ·
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5

Graduate Charge screening by electrolytes

  • Gavroy
  • · Replies 1 ·
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1

High School Is there a way to determine if a booster pack (battery) is still good?

  • erotavlas
  • · Replies 7 ·
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7

Undergrad How Is the Formula PEcos(θ) Derived for Dipoles in a Constant Electric Field?

  • electrohau5
  • · Replies 1 ·
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1

Graduate Relative velocity of electron moving

  • rajan rana
  • · Replies 5 ·
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5

Undergrad How do scientists know the direction of Magnetic dipole moment?

  • Outrageous
  • · Replies 2 ·
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2

Graduate Electric field and electrolytes

  • Gavroy
  • · Replies 1 ·
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1

Undergrad Electric field of a spherical cap

  • Gavroy
  • · Replies 1 ·
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1

Undergrad Rolling resistance of solid tires versus pneumatic

  • KarenRei
  • · Replies 16 ·
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16

Graduate Electrostatics & Quadric Surfaces

  • bolbteppa
  • · Replies 1 ·
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1

Graduate Self-induction and drude equation

  • dirad
  • · Replies 6 ·
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6

Undergrad Permanent magnets and magnetic energy

  • A.M.K
  • · Replies 25 ·
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25

Graduate Magnetic Forces: Investigating Torque & Attraction

  • ankities
  • · Replies 1 ·
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1

Undergrad What is the amplitude of an EM wave?

  • iScience
  • · Replies 1 ·
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1

Graduate How is the energy of an electron lost in a classical hydrogen atom?

  • jfizzix
  • · Replies 6 ·
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6

Graduate Experimental measurements of relative magnetic permeability

  • brybot
  • · Replies 3 ·
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3

High School How does a dynamo produce electricity?

  • John231
  • · Replies 16 ·
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16

Graduate How Can I Calculate Magnetic Forces Between Moving Magnets?

  • uktonybe
  • · Replies 1 ·
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1

Undergrad Faraday's Displacement Flux Experiment

  • esogues
  • · Replies 3 ·
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3

Graduate Migration Path of Electrons in Ionized Air (Gamma Radiation)

  • sapratz
  • · Replies 7 ·
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7

Graduate Question re. electroplated gold. Thank you

  • lodgezhao
  • · Replies 1 ·
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1

Graduate How is Velocity Calculated in Lorentz Force Spectrometry?

  • Big-Daddy
  • · Replies 3 ·
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3

Undergrad Attempting to create a self rotating magnetic bike

  • carlosdunick
  • · Replies 8 ·
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8

Graduate Current phase between inductor and capacitor in LCR-circuit

  • Order
  • · Replies 3 ·
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3