Electromagnetism Forum

Threads

Graduate Understanding an electron's emission of electromagnetic waves

  • Marvin94
  • · Replies 4 ·
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4

High School Basic question about current in an electric circuit

  • Fibo112
  • · Replies 12 ·
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12

Graduate Maxwell's Demon Paradox: Solving the Puzzle Without Memory Requirements

  • Deepblu
  • · Replies 13 ·
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13

Undergrad Plate capacitor connected to a battery (what does a battery do)

  • Fibo112
  • · Replies 10 ·
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10

Undergrad Induced Current in Stretched Square Loop: Flux Change and Direction?

  • Kaushik Classes
  • · Replies 3 ·
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3

High School LC Oscillation: Current Flow & Charge Polarity

  • Kaushik Classes
  • · Replies 2 ·
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2

Graduate Capacitance of three-layered cylinders

  • Fibo112
  • · Replies 1 ·
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1

Undergrad Collimation of an Electron Beam by the Anode of a CRT

  • Zahid Iftikhar
  • · Replies 6 ·
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6

Graduate "long-range" and "singular" electrostatic potential?

  • Glxblt76
  • · Replies 3 ·
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3

Graduate Charge on Sphere: Evenly Spreading?

  • Fibo112
  • · Replies 19 ·
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19

Undergrad Calculating Robert Zubrin's Dipole Drive Mass Flow

  • Sebastiaan
  • · Replies 7 ·
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7

Undergrad How does grounding cause dissipation of charge

  • Fibo112
  • · Replies 1 ·
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1

Graduate Spatial dependence of induced Electric field

  • shahbaznihal
  • · Replies 2 ·
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2

Graduate The D field in Maxwell's equations

  • QuasarBoy543298
  • · Replies 23 ·
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23

Undergrad Total magnetic flux of a solenoid

  • shahbaznihal
  • · Replies 1 ·
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1

Undergrad Magnetic field of an inside out electromagnet?

  • kolleamm
  • · Replies 3 ·
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3

Undergrad Why can't we apply Gauss's law to a circular disk?

  • r0ss
  • · Replies 12 ·
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12

Undergrad Why electric field is always perpendicular to equipotential?

  • David Day
  • · Replies 1 ·
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1

High School GoalRef Technology Basics: Low Frequency Magnetic Fields & Coils

  • Pinkyishy
  • · Replies 13 ·
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13

Undergrad Charge and Velocity: Does Moving Particle Charge Increase?

  • Sandeep T S
  • · Replies 3 ·
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3

Graduate Is it possible to create weightless rotors using magnetic fields?

  • MReX19985
  • · Replies 10 ·
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10

Undergrad Can one electron emit 3 colors at once?

  • IAmAnthony
  • · Replies 8 ·
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8

High School Are electrons bound to the nucleis?

  • IAmAnthony
  • · Replies 2 ·
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2

Graduate Weight changes under strong, uniform magnetic fields?

  • hkyriazi
  • · Replies 2 ·
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2

Undergrad Magnetic field inside diametrically magnetized ring magnet

  • Chris Fuccillo
  • · Replies 2 ·
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2

High School How to find true north not magnetic north?

  • gary350
  • · Replies 67 ·
3
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67

Graduate Induced magnetic field in a cylinder

  • Silviu
  • · Replies 3 ·
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3

Graduate Understanding the Abraham-Lorentz Formula and its Paradox Explained by Griffiths

  • Silviu
  • · Replies 3 ·
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3

Undergrad Where Can I Find a High-Turn Solenoid for Low Current and Strong Magnetic Field?

  • Albertgauss
  • · Replies 9 ·
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9

Graduate Uncharged particle in a magnetic field suddenly gets charged

  • Sorcerer
  • · Replies 23 ·
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23

Graduate Calculate the electostatic field outside a finite cylinder

  • Palaj
  • · Replies 2 ·
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2

Undergrad How is light related to charged particles?

  • BadgerBadger92
  • · Replies 3 ·
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3

Graduate Is Griffiths' formula for electric dipole radiation correct?

  • Silviu
  • · Replies 6 ·
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6

Graduate Poynting vector - uniform vs accelerated charge

  • arlesterc
  • · Replies 1 ·
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1

Graduate Duration of electromagnetic disturbance

  • arlesterc
  • · Replies 10 ·
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10

Graduate What is the derivation of the ABC magnetic field components?

  • Nakul Aggarwal
  • · Replies 3 ·
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3

Graduate Are x-rays from lightnings and magnetism the same effect?

  • consuli
  • · Replies 8 ·
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8

Undergrad Ion craft using magnetic field instead of E-field

  • curiosG
  • · Replies 11 ·
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11

Undergrad Why is the Ampere a base unit?

  • Isaac0427
  • · Replies 7 ·
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7

Graduate Rutherford scattering with Coulomb cutoff

  • Reverend Shabazz
  • · Replies 2 ·
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2

Graduate How do plasma particles interact with a magnetic field?

  • rca3g7
  • · Replies 4 ·
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4

Graduate Why do we calculate vertical electronic affinity?

  • Yahyaoui Fawzia
  • · Replies 3 ·
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3

High School Is neodymium naturally magnetic?

  • kolleamm
  • · Replies 4 ·
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4

Undergrad Changing electric field generating magnetic field

  • arlesterc
  • · Replies 3 ·
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3

High School How do you calculate induced EMF in an open loop with changing magnetic field?

  • person123
  • · Replies 4 ·
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4

Undergrad Coulomb's Law and charge quantization

  • Atomic_Sheep
  • · Replies 6 ·
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6

High School Can we transfer 100% Potential energy to electricity?

  • Deep Trivedi
  • · Replies 25 ·
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25

Undergrad Electric Potential midway between a pair of equal opposite charges

  • Zahid Iftikhar
  • · Replies 11 ·
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11

Graduate Electron speed and acceleration in an electric field

  • Antoine DEBRAY
  • · Replies 9 ·
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9

Undergrad Uniform Field due to an Infinite Sheet of Charge

  • Zahid Iftikhar
  • · Replies 18 ·
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18

Graduate Saturation magnetization of iron as a function of temperature

  • umby
  • · Replies 18 ·
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18

Graduate Understanding Particle Movement in a Magnetic Bottle: Field vs. Field Lines

  • Samson4
  • · Replies 2 ·
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2

Graduate Why Does High Frequency Corona Tend to Orient Vertically?

  • pager48
  • · Replies 1 ·
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1

Undergrad Understanding Gauss's Law and Special Cases in Maxwell's Equations

  • Researcher720
  • · Replies 7 ·
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7

Undergrad Electrical version of Faraday effect?

  • iantresman
  • · Replies 2 ·
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2

Graduate Definition of current density J?

  • Researcher720
  • · Replies 4 ·
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4

Graduate Underwater acoustics: transmission loss at long distance

  • Ciccio1979
  • · Replies 2 ·
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2

Graduate How does the velocity of air molecules affect EM waves?

  • Monsterboy
  • · Replies 7 ·
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7

Graduate Battery connected to a pure inductor with a Zero-resistance wire

  • rahaverhma
  • · Replies 10 ·
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10

Graduate A generic quantum state and the charge of an electron

  • eprparadox
  • · Replies 3 ·
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3

Graduate Does "magnetic charge" fit into vector potential?

  • MichPod
  • · Replies 32 ·
2
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32

High School Work in a uniform electric field

  • malek2771999
  • · Replies 1 ·
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1

Undergrad Why Am I Getting a Reading of 0.3 Amps When Connecting AA Batteries in Parallel?

  • zach_wildmind
  • · Replies 24 ·
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24

Undergrad Why is the Electric Field Below an Infinite Plane Zero?

  • Silviu
  • · Replies 23 ·
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23

Undergrad Measuring Wave Length of Light Through Different Substances

  • Elbraido
  • · Replies 13 ·
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13

Undergrad Voltage vs Charge: Capacity & Applied Voltage

  • david845
  • · Replies 4 ·
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4

Undergrad Magnitude of the electric field at equator (measured in kV)

  • Petra de Ruyter
  • · Replies 12 ·
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12

Undergrad Finding electric flux using Gauss' Law

  • Wrichik Basu
  • · Replies 14 ·
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14

Graduate Frequency spectrum of a clarinet

  • greypilgrim
  • · Replies 1 ·
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1

Graduate Electric Potential: Griffith's Electrodynamics Ch.2 Ex.7 Explained

  • Zubair Ahmad
  • · Replies 7 ·
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7

Undergrad Do electromagnetic waves have potential and kinetic energy

  • arlesterc
  • · Replies 5 ·
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5

Graduate Faraday Rotator: Optics for Amplifying Laser Light

  • SchroedingersLion
  • · Replies 5 ·
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5

Undergrad Magnetic Energy: How Does a Compass Needle Move?

  • Zaya Bell
  • · Replies 8 ·
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8

Graduate Calculating the frequency of a free electron

  • Turukano26
  • · Replies 1 ·
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1

Undergrad Resistors - Current equal in Series

  • mk9898
  • · Replies 11 ·
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11

Undergrad Understanding Delta V = Ed: Validity and Implications for Electric Potential

  • mk9898
  • · Replies 2 ·
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2

High School Physics Equations for Electrical Power

  • coordinators
  • · Replies 4 ·
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4

Graduate Magnetic field created by a current carrying wire

  • Istvan01
  • · Replies 15 ·
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15

Undergrad The Role of Doping and Electric Fields in P-N Junction Formation?

  • Muhammad Usman
  • · Replies 30 ·
2
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30

Graduate Minimum breakdown voltage in Neon, Electrode spacing in mm

  • Shane Cox
  • · Replies 7 ·
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7

Graduate Is there a B field in a charging spherical capacitor?

  • scoomer
  • · Replies 2 ·
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2

Undergrad Can Diagrams be Used as Circuits in Explaining Sensor Operations?

  • Daniel2244
  • · Replies 11 ·
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11

Graduate Two-stage electron Wakefield acceleration

  • mfb
  • · Replies 10 ·
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10

Graduate Skin effect and electric shock question

  • girts
  • · Replies 2 ·
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2

High School Is there a relationship between voltage and resistance?

  • Cheesycheese213
  • · Replies 6 ·
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6

High School How Is Electric Potential Difference Measured Without Specific Distances?

  • annaphys
  • · Replies 8 ·
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8

Undergrad Why does Fleming's right hand rule apply for induced current

  • YourBoy
  • · Replies 8 ·
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8

Undergrad How does sound intensity affect the current produced by a mic?

  • Daniel2244
  • · Replies 3 ·
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3

Graduate Maxwell equation are derived in which coordinate system

  • Matt Smith
  • · Replies 4 ·
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4

Undergrad Liquid metal slip/rotary contact

  • girts
  • · Replies 16 ·
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16

Undergrad How is current induced in the plasma in a tokamak?

  • Jan Berkhout
  • · Replies 2 ·
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2

Undergrad Poynting's theorem in Griffith's

  • Zubair Ahmad
  • · Replies 6 ·
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6

Undergrad Electromagnetic coil and capacitors vs resistance

  • Mohammad Hunter
  • · Replies 4 ·
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4

Undergrad Magnetic repulsion between a permanent magnet and an air coil

  • Dante Meira
  • · Replies 1 ·
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1

Undergrad Moving metal object in a magnetic field

  • alikim
  • · Replies 3 ·
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3

Undergrad How Do Electric Potential, Potential Energy, and Work Interact in Physics?

  • mk9898
  • · Replies 18 ·
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18

High School What actually makes a magnetic field?

  • NateTheGreatt77
  • · Replies 5 ·
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5

Undergrad Formula for Magnetic Field of Cylindrical Magnet | R,L Values

  • umby
  • · Replies 29 ·
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29

Undergrad On the stability of an LTI circuit

  • mjtsquared
  • · Replies 1 ·
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1

Graduate Material for Antennas: Can Slow Velocity Dipoles be Used?

  • Victor_itsjustme
  • · Replies 2 ·
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2