Electromagnetism Forum

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High School Bit rate, bit interval vs frequency, time period

  • Geek007
  • · Replies 3 ·
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3

Undergrad What happens when an electron and a positron meet?

  • Nick tringali
  • · Replies 2 ·
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2

Undergrad Current flow across inductors in Series

  • Samson4
  • · Replies 9 ·
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9

Graduate Magnetic attraction between infinite current sheets

  • particlezoo
  • · Replies 2 ·
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2

Undergrad How does an EM wave impart momentum to some material?

  • ppppparker
  • · Replies 1 ·
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1

Undergrad Circuit diagram for coincidence counting circuit

  • houlahound
  • · Replies 1 ·
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1

Undergrad The Tacoma Bridge Collapse was Not due to Resonant Frequency

  • jedishrfu
  • · Replies 9 ·
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9

Undergrad Finding equal potential points in electric circuits

  • anachin6000
  • · Replies 2 ·
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2

Undergrad What are the best resources for learning about E&M as a beginner?

  • Branden
  • · Replies 4 ·
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4

High School Regarding magnetic shielding....

  • harvey1999
  • · Replies 8 ·
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8

Undergrad Electric Potential Energy Problem. Intuition needed

  • FerPhys
  • · Replies 4 ·
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4

Undergrad Question ιn Physics about moving magnets?

  • k90
  • · Replies 2 ·
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2

Graduate [Electromagnetism] perfect conductor and Current

  • kidsasd987
  • · Replies 2 ·
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2

High School Relationship between field lines and magnitude of charge

  • cvc121
  • · Replies 2 ·
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2

Undergrad Should Total Current in Combined Circuits Equal Measured Values?

  • Steelers72
  • · Replies 1 ·
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1

Graduate Boundary conditions electrostatic potential

  • aaaa202
  • · Replies 3 ·
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3

Graduate Moving charge magnetism explanation

  • tim9000
  • · Replies 7 ·
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7

Graduate Conductor in an External Electric Field

  • Drakkith
  • · Replies 10 ·
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10

Graduate The resistance of electrolycra

  • senan
  • · Replies 1 ·
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1

Graduate Static magnetic field from time-varying electric field

  • EmilyRuck
  • · Replies 4 ·
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4

Graduate Electric Field Divergence Solution for Moving Source Charge

  • kent davidge
  • · Replies 1 ·
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1

Undergrad Build a Capacitor in 30 minutes

  • kat5657585950
  • · Replies 2 ·
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2

Graduate Electromagnetic continuity equation

  • eadanlin
  • · Replies 18 ·
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18

Graduate Maxwell's Equations and Potentials

  • Hornbein
  • · Replies 8 ·
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8

Undergrad EM Wave: Phase of the electric and magnetic waves?

  • PeterPeter
  • · Replies 2 ·
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2

Graduate Quantifying Inertial Resistance

  • NRa
  • · Replies 16 ·
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16

Graduate Biot-Savart law from Ampère's (with multivariate calculus)

  • DavideGenoa
  • · Replies 4 ·
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4

Undergrad Understanding Electric Potential Energy Calculations: Addressing Sign Confusion

  • Jzhang27143
  • · Replies 15 ·
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15

Graduate Direction of velocity parallel to magnetic field?

  • PhiowPhi
  • · Replies 3 ·
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3

Undergrad Why are electromagnetic waves not visible themselves but....

  • Boltzmann
  • · Replies 31 ·
2
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31

Graduate How does Coulomb's law change in 3+1 dimensional spacetime?

  • jk22
  • · Replies 1 ·
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1

Undergrad Calculating electrical generation from tidal piston

  • Nathan Townsend
  • · Replies 15 ·
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15

Graduate Why does magnetic field depend on angle?

  • Electric to be
  • · Replies 14 ·
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14

Undergrad Why does number of coils on primary affect frequency?

  • cmkluza
  • · Replies 2 ·
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2

Undergrad Calculate force on Permanent Magnet near a Paramagnetic surface

  • DeathCheese
  • · Replies 1 ·
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1

Undergrad Do Free Electrons Follow Circular Paths in Magnetic Fields?

  • Billmyk
  • · Replies 2 ·
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2

Undergrad Efficiency of an electric motor

  • JayCAquino#4
  • · Replies 9 ·
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9

Undergrad How does increased conductivity affect voltage?

  • Mr Davis 97
  • · Replies 7 ·
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7

Undergrad What Happens to the Voltage Across a Capacitor When the Plates are Separated?

  • gracy
  • · Replies 4 ·
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4

Undergrad Why moving charges create magnetic field?

  • kent davidge
  • · Replies 28 ·
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28

Graduate Faraday cage, lower frequencies

  • Notinuse
  • · Replies 8 ·
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8

Graduate "Biot-Savart" version of Maxwell-Faraday equation?

  • greswd
  • · Replies 21 ·
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21

Graduate Optical and electrical bandwidth "outside" air

  • MiddleVision
  • · Replies 3 ·
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3

Graduate Calculate E Field between 4 cylinders

  • strokebow
  • · Replies 28 ·
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28

Undergrad How does a square shaped magnet act like a ring magnet?

  • ardakaraca
  • · Replies 1 ·
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1

Graduate Trouble with Biot-Savart Law: Instant Effects & Ampere-Maxwell Law

  • LeoPedranjo
  • · Replies 1 ·
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1

Undergrad What happens with the electrons in electrical appliances?

  • abotiz
  • · Replies 6 ·
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6

Graduate What happens when an electron is hit by a laser beam?

  • The_Thinker
  • · Replies 3 ·
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3

Undergrad Is Hydroelectric power plant a perpetual motion machine?

  • Zlelik
  • · Replies 9 ·
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9

Graduate Energy in EM Waves: Is E-field Approach Equally Valid?

  • davidbenari
  • · Replies 12 ·
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12

Graduate Electric Discharge acts as in LC Circuits?

  • Samson4
  • · Replies 9 ·
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9

Undergrad What Happens to Voltage in a Zener Diode Above Breakdown Voltage?

  • Chaitanya V
  • · Replies 6 ·
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6

Undergrad Electric field inside a uniformly charged cubical box

  • ajeet mishra
  • · Replies 13 ·
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13

Graduate Field Energy of Permanent Magnets vs. Magnetic Monopoles

  • particlezoo
  • · Replies 27 ·
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27

Graduate Why is the electromagnetic field not a 'charge field'

  • tim9000
  • · Replies 13 ·
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13

Undergrad Three dielectric slabs in a capacitor

  • gracy
  • · Replies 80 ·
3
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80

Graduate How do eddy currents in transformers affect power loss?

  • Jimmy87
  • · Replies 20 ·
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20

Undergrad Where do electromagnetic waves get their energy from?

  • radio171
  • · Replies 2 ·
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2

Undergrad Electric flux inside a conductor

  • Ibraheem
  • · Replies 1 ·
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1

Graduate Conceptually Relating 2nd Partials to Electrodynamics

  • RedneckPhysics
  • · Replies 1 ·
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1

Graduate How to derive Mersenne's fundamental frequency formula?

  • Mars Yeung
  • · Replies 1 ·
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1

Graduate Help with Nuclear Magnetic Resonance

  • Ricster55
  • · Replies 2 ·
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2

High School Calculate Resistance and resistivity

  • Steelers72
  • · Replies 9 ·
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9

Undergrad What Happens When Paper and Aluminum Foil Are Placed on a Conductor?

  • cvc121
  • · Replies 4 ·
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4

Undergrad Electric field outside a gaussian surface

  • Ibraheem
  • · Replies 2 ·
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2

Undergrad How can I convert lux to watts for CFL bulbs?

  • cmkluza
  • · Replies 2 ·
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2

Graduate Does Conservation of Momentum Apply to Electron/Atom Interactions?

  • cremor
  • · Replies 2 ·
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2

Undergrad High voltage charge & same polarity on two concentric rings

  • BernieM
  • · Replies 2 ·
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2

High School What is the relationship between physics field and force?

  • qorizon
  • · Replies 4 ·
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4

Undergrad Why is the electric field just outside a conductor twice....

  • jt2000
  • · Replies 3 ·
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3

High School Why does an electron create a magnetic field when it moves?

  • Ruben sellman
  • · Replies 7 ·
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7

Undergrad Current thermodynamic research

  • nmsurobert
  • · Replies 5 ·
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5

Undergrad Variation of Frequency of sound underwater

  • NPB777
  • · Replies 1 ·
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1

Graduate Frequency of small oscillations

  • gpran
  • · Replies 2 ·
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2

Graduate Gradient and Hessian of the Coulomb/Electrostatic Energy

  • decerto
  • · Replies 4 ·
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4

Undergrad Electromagnetic Waves: Electric & Magnetic Fields

  • kent davidge
  • · Replies 21 ·
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21

Undergrad Electromagnetic waves and polarity

  • jaydnul
  • · Replies 9 ·
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9

Undergrad What Causes Induced EMF in Moving Conductors and Transformers?

  • brian.green
  • · Replies 6 ·
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6

Undergrad Magnetic Induction in Two Different Media

  • Md Shafiqul Islam
  • · Replies 2 ·
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2

Undergrad Is Newton's 3rd law valid in Electrodynamics?

  • PhiowPhi
  • · Replies 17 ·
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17

Undergrad What does this thing on batteries mean?

  • Sam19KY
  • · Replies 5 ·
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5

Undergrad The electric field of infinite sheets

  • Conservation
  • · Replies 3 ·
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3

High School Question about electric circuits ?

  • Sam19KY
  • · Replies 1 ·
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1

Undergrad Can a Moving Magnetic Field Induce Eddy Currents in a Conductor?

  • Sam19KY
  • · Replies 1 ·
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1

High School Increase of Amps form 1 to 2 means what?

  • Sam19KY
  • · Replies 1 ·
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1

Graduate Flux in magnetic core according to special relativity

  • tim9000
  • · Replies 8 ·
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8

High School Question based on a video (battery and voltage)

  • gracy
  • · Replies 50 ·
2
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50

Undergrad What is the Definition of Coulomb in Particle Physics and Electrodynamics?

  • Sam19KY
  • · Replies 1 ·
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1

Undergrad Current Growth due to Magnetic Induction

  • UncertaintyAjay
  • · Replies 2 ·
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2

Undergrad Where Can I Find Additional Resources for Physics II?

  • mrnike992
  • · Replies 2 ·
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2

High School Is this how a coulomb is defined ?

  • Sam19KY
  • · Replies 1 ·
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1

Undergrad Current Definition: Conventional vs Electron Flow

  • RaduAndrei
  • · Replies 2 ·
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2

Undergrad I need to create a .7+ Tesla electromagnetic solenoid

  • AniV
  • · Replies 15 ·
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15

High School How Does Current Flow in an Equipotential Conductor?

  • ajaysabarish
  • · Replies 10 ·
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10

High School Can someone clarify this for me re:electric circuit

  • Seekinfo
  • · Replies 7 ·
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7

High School Is it possible to build a magnetic monopole using permanent magnets?

  • DuckAmuck
  • · Replies 4 ·
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4

Undergrad Doubts on Ampère's Law and Coaxial Cables

  • xareu
  • · Replies 1 ·
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1

Graduate Work done by permanent magnets

  • xareu
  • · Replies 4 ·
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4

Undergrad Electric Potential and Ionization Energy of Bohr Hydrogen

  • clm222
  • · Replies 2 ·
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2

High School Question about eddy currents ?

  • Sam19KY
  • · Replies 3 ·
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3