Electromagnetism Forum

Threads

Graduate In a system in void oscillates eigenfrequency

  • mather
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4

Graduate Spacecraft Re-Entry: High Freq Comm & Plasma Frequency

  • Aniket1
  • · Replies 1 ·
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1

Graduate The force required to accelerate a radiating charge

  • blgeo
  • · Replies 5 ·
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5

Graduate Understanding EM Waves in Conductors

  • aaaa202
  • · Replies 43 ·
2
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43

Graduate How to arrive at Lorentz gauge condition?

  • Tosh5457
  • · Replies 7 ·
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7

Undergrad EM Wave Phase - Fewer Photons at 0 Degrees?

  • Drakkith
  • · Replies 30 ·
2
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30

Graduate Spin particles not in a magnetic field

  • denjay
  • · Replies 1 ·
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1

Undergrad Amplitude of an electromagnetic wave

  • jaydnul
  • · Replies 4 ·
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4

Graduate Legendre Expansion solution to sphere of potential V with charge q outside

  • phys_student1
  • · Replies 2 ·
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2

Undergrad Kinetic Energy and Electric Car Power

  • Jay_
  • · Replies 13 ·
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13

Graduate Longitudional electro magnetic waves and linear polarisation

  • h3x3n
  • · Replies 1 ·
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1

High School Magnetic field of magnet and its defination

  • sgstudent
  • · Replies 4 ·
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4

Undergrad Why is the current so low in a circuit generating 20k volts?

  • _Bd_
  • · Replies 21 ·
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21

Graduate Power required to reverse an electropermanent magnet

  • Undacuva
  • · Replies 7 ·
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7

Undergrad Does distance inbetween the plates of a capacitor have an effect on its charge?

  • letsgo
  • · Replies 1 ·
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1

Undergrad Electric field of line of charge

  • chessmath
  • · Replies 8 ·
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8

Undergrad Applying Kirchhoff's Voltage Law in Electrical Transmission Systems: Explained

  • Arty7
  • · Replies 2 ·
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2

High School Magnetic Force: Questions & Experiments

  • _Bd_
  • · Replies 6 ·
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6

Undergrad Question about finding a component of the electric field

  • aftershock
  • · Replies 1 ·
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1

High School Magnetic force lost when you break a magnet?

  • Cemelion
  • · Replies 4 ·
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4

Graduate Electric field lines next to conductor

  • mzh
  • · Replies 11 ·
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11

Undergrad The Nature of Natural Frequency

  • cdot
  • · Replies 1 ·
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1

Undergrad Understanding Free & Bound Charges: H & D Fields Explained

  • Tosh5457
  • · Replies 17 ·
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17

Undergrad Measuring eddy currens in a pipe.

  • Hussein Eassa
  • · Replies 1 ·
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1

Undergrad How is charge/mass ratio derived in this example?

  • SlothNast
  • · Replies 2 ·
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2

High School Is the Magnetic Field Doing Work When a Magnet Sticks to a Metal Wall?

  • Crazymechanic
  • · Replies 7 ·
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7

Graduate Understanding Electromagnetic Waves: From Mechanical Waves to Quantum Mechanics

  • Cryptocatron
  • · Replies 26 ·
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26

Undergrad How to convert soundwaves into electrical energy?

  • lunaskye0
  • · Replies 4 ·
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4

Graduate Electron collision with nucleus

  • Pallab Datta
  • · Replies 4 ·
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4

High School If EM waves travel forever, why do things get dimmer as they get further away?

  • jaydnul
  • · Replies 10 ·
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10

Undergrad Investigating Ignition Sparks in Cars with Waste Spark Management

  • fabianek
  • · Replies 18 ·
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18

Undergrad Electric PE - am I not getting something?

  • miaou5
  • · Replies 12 ·
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12

Graduate Seeking Help with Electromagnetism: Understanding 'Cancelling the Singularity

  • kiwakwok
  • · Replies 5 ·
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5

Graduate Derivation of Maxwell's relations

  • komodekork
  • · Replies 3 ·
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3

Graduate Up/down electron gun construction?

  • taylaron
  • · Replies 7 ·
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7

Graduate What is Maxwell Distribution, Thermal Equilibrium, Fluctuation and Wein's law?

  • SMarioKingdom
  • · Replies 2 ·
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2

High School How Does Distance Affect the Force Between Magnets?

  • physicskid12
  • · Replies 2 ·
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2

Undergrad Permitivity electric field relation

  • efe
  • · Replies 1 ·
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1

Undergrad Does the Electric Field Rearrange Charges When Accelerating a Particle?

  • AlchemistK
  • · Replies 19 ·
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19

Undergrad Determining e/m of electron lab

  • Aziza
  • · Replies 5 ·
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5

High School Help improve my concept of current

  • mishima
  • · Replies 10 ·
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10

Graduate Electrodynamic Tether experiement

  • shubhankar1
  • · Replies 1 ·
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1

Graduate Commutation of Curl and the partial time derivative?

  • ksmith1281
  • · Replies 13 ·
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13

Graduate Paradox about Maxwell near an accumulation of charge

  • WarwickD
  • · Replies 9 ·
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9

High School Can magnetic poles have varying strengths?

  • samsanof
  • · Replies 1 ·
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1

Undergrad What is fringing of electric and magnetic fields? What is the physics behind it?

  • tdkram
  • · Replies 1 ·
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1

Undergrad When do we get peak voltage in a 3-phase generator?

  • fawk3s
  • · Replies 4 ·
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4

Undergrad Why does net charge always reside on the surface of a conductor?

  • aaaa202
  • · Replies 9 ·
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9

High School Can Ions Pass Through a Wire Like Electrons?

  • scientifico
  • · Replies 3 ·
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3

Undergrad A Plot of Magnetic Field Lines

  • KitchiRUs
  • · Replies 7 ·
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7

Graduate Understanding Poynting Theorem

  • aaaa202
  • · Replies 3 ·
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3

Graduate Electric polarization of a dielectric due to a magentic field

  • ShayanJ
  • · Replies 13 ·
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13

Graduate How do Electric Double Layers Work?

  • Johnleprekan
  • · Replies 3 ·
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3

High School Converting Directly into electrical energy

  • michojek
  • · Replies 8 ·
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8

Graduate The Significance of Negative Energy in the Rutherford Model of the Atom

  • AudioFlux
  • · Replies 2 ·
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2

Undergrad Do Electric Fields Always Create Magnetic Fields?

  • scientifico
  • · Replies 3 ·
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3

Graduate Effect of material size on magnetization

  • Liam89
  • · Replies 2 ·
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2

Graduate Electric Field In Medium Clarification

  • Danen
  • · Replies 2 ·
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2

Undergrad What is the mechanism that transmits force?

  • danlightbulb
  • · Replies 9 ·
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9

Undergrad Why is E = hf applicable to electrons with quantized energy?

  • budafeet57
  • · Replies 7 ·
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7

Undergrad Air Resistance solution (is it valid)?

  • Vinchira
  • · Replies 3 ·
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3

Undergrad Uniform Rectangular Magnetic Field

  • jonpui747
  • · Replies 4 ·
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4

Undergrad Creating electricity through pressure difference

  • rasco400
  • · Replies 5 ·
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5

Graduate Magnetic Field of a rotating point charge

  • ZingZang
  • · Replies 2 ·
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2

Undergrad Pushing a car & rolling resistance of tires

  • Hope Lansing
  • · Replies 1 ·
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1

High School Understanding Electrical Potential and potential difference.

  • christian0710
  • · Replies 7 ·
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7

Graduate Dielectrics Attracted to Capacitors

  • Kakashi24142
  • · Replies 2 ·
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2

High School Why does the Electro Magnetic Spectrum have limits?

  • questionalot
  • · Replies 16 ·
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16

Undergrad How Do Magnetic Field Lines Break?

  • SHISHKABOB
  • · Replies 3 ·
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3

Graduate The Sun, Electromagnetic Waves, and Gravitational Waves

  • mef51
  • · Replies 13 ·
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13

Graduate How Does a Wheel Move Forward Through Electromagnetic Interactions?

  • segue
  • · Replies 2 ·
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2

Graduate Is there a material that exhibits resonant frequency for magnetic flux?

  • Crazymechanic
  • · Replies 12 ·
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12

High School Electric field lines from a solid charged sphere.?

  • prakharj
  • · Replies 2 ·
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2

High School What Makes the North and South Magnetic Poles Unique?

  • Physicist50
  • · Replies 3 ·
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3

Graduate Circular vs. Cylindrical Charge Distribution

  • NullSpace0
  • · Replies 1 ·
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1

Can color of the room change the acoustics?

  • Tyrion101
  • · Replies 17 ·
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17

Graduate Can Electrons Truly Exhibit Wave-Like Behavior in Motion?

  • sarvesh0303
  • · Replies 2 ·
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2

Graduate What do the telegraph equations physically describe?

  • aaaa202
  • · Replies 2 ·
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2

Graduate Accelerated magnetic particles through pipe

  • Crazymechanic
  • · Replies 5 ·
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5

Undergrad Why do two field lines never intersect?

  • sanalsprasad
  • · Replies 13 ·
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13

Undergrad Energy density of Electric and Magnetic Fields

  • iVenky
  • · Replies 2 ·
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2

Graduate Confused about electrodymagnetism

  • JamesClarke
  • · Replies 19 ·
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19

Undergrad Magnet Moving inside Copper Tube and Current Direction(s?)

  • Renato_Ferrei
  • · Replies 3 ·
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3

High School Flow of Electrons in Batteries: Current? Time?

  • shanewatson
  • · Replies 3 ·
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3

Undergrad Resistivity of a current in a fluid

  • hsetennis
  • · Replies 2 ·
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2

High School What's the electrical power (physically)

  • klmnopq
  • · Replies 5 ·
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5

Graduate Gauge transformations and the coulomb gauge

  • aaaa202
  • · Replies 6 ·
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6

Graduate Differential form of gauss's law and surface charge distributions

  • ShayanJ
  • · Replies 2 ·
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2

Graduate Frequency of the sound of scratching Nails on Chalkboard

  • XuFyaN
  • · Replies 7 ·
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7

Graduate Theoretical Theorys of Magnetic Force and Origin

  • BrettJimison
  • · Replies 5 ·
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5

Undergrad What exactly is Electric Flux Density?

  • iVenky
  • · Replies 2 ·
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2

Graduate Plausability of a Plasma Jet Electric Thruster

  • AnTiFreeze3
  • · Replies 2 ·
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2

Undergrad How does electromagnetic interference work?

  • Ruzic
  • · Replies 8 ·
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8

Undergrad Question about ohms law and non-ohmic behavior.

  • mrspeedybob
  • · Replies 3 ·
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3

Undergrad Definition of electrical branch

  • nebbione
  • · Replies 9 ·
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9

Undergrad Physcially, how electrons choose the path with min resistance

  • klmnopq
  • · Replies 9 ·
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9

Graduate Understanding Non-Conservative Fields in Faraday's Law - Explained

  • John94N
  • · Replies 5 ·
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5

Graduate When Do Poynting Vector and Energy Propagation Differ in Electromagnetic Waves?

  • arash1r
  • · Replies 1 ·
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1

High School Direction of deflection in a galvanometer?

  • phy1210
  • · Replies 2 ·
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2

Undergrad What is the deal with kinetic and potential energy, electricity and magnetism

  • h3x3n
  • · Replies 7 ·
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7