Electromagnetism Forum

Threads

Undergrad Resonance frequency increasing with mass?

  • bulgogii
  • · Replies 4 ·
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4

Undergrad Gradient equal to multiplying by vector?

  • Isaac0427
  • · Replies 4 ·
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4

Undergrad Can superconductors conduct electricity at absolute zero?

  • Nemika
  • · Replies 9 ·
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9

Undergrad Percentage of external B field absorbed by inductor?

  • NotASmurf
  • · Replies 1 ·
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1

Undergrad Dielectric material in 'induced electric field'

  • universal_101
  • · Replies 27 ·
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27

Graduate Calculating Work for Permanent Magnet Fields

  • pomekrank
  • · Replies 11 ·
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11

Undergrad Conditions for neutral point to exist

  • gracy
  • · Replies 7 ·
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7

Graduate Optimal Color Mapping for Electric Field Visualization?

  • Jarvis323
  • · Replies 1 ·
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1

Undergrad Wood Shield For Magnetic Field?

  • Hexogen
  • · Replies 9 ·
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9

Undergrad Do mass and charge always go hand in hand for magnetism?

  • Tony Stark
  • · Replies 1 ·
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1

High School Cars attaching to one another using magnetic force

  • jdmstanced
  • · Replies 13 ·
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13

Graduate Average Speed for Maxwell's Distribution of Molecular Speed

  • RaulTheUCSCSlug
  • · Replies 2 ·
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2

Undergrad Electric Current: How Does the Battery Generate Voltage?

  • Vicol
  • · Replies 4 ·
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4

Undergrad Electric field in water, using voltage, without electrolysis

  • sina_mech
  • · Replies 5 ·
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5

Undergrad What does the E field look like in a real circuit?

  • DoobleD
  • · Replies 15 ·
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15

Graduate Magnetic hysteresis loop area meaning

  • EmilyRuck
  • · Replies 2 ·
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2

Undergrad Charge Particle Trajectory: How to Find It

  • UMath1
  • · Replies 22 ·
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22

Undergrad Understanding derivation of delta-y transform

  • TheCanadian
  • · Replies 2 ·
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2

Undergrad Electric Field of Uniformly Charged Ring

  • bowdish.9
  • · Replies 2 ·
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2

Graduate Question on conservative and non-conservative nature of electric fields.

  • Ahsan Khan
  • · Replies 2 ·
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2

Undergrad Very basic electromagnet vs permanent magnet question

  • MironeDagains
  • · Replies 3 ·
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3

Undergrad Force on conductor after charge induction

  • AQUA463
  • · Replies 1 ·
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1

Undergrad Understanding Voltage Drops and KVL in Circuit Analysis

  • mohamed el teir
  • · Replies 3 ·
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3

Graduate Something wrong with Ampere's Law?

  • greswd
  • · Replies 9 ·
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9

Undergrad Find Expansion Speed of Piezoelectric Actuator | 16+ mph

  • Samson4
  • · Replies 2 ·
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2

Undergrad Is the Time Constant Affected by Changing Plate Distance in an RC Circuit?

  • Rath123
  • · Replies 8 ·
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8

Undergrad Calculating Time Constant in Parallel Plates: Keeping the Capacitor Constant

  • Rath123
  • · Replies 1 ·
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1

Undergrad Magnetic Force and Torque Question

  • KevinBlueBox
  • · Replies 9 ·
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9

Undergrad How Does Assumed Loop Direction Affect Voltage in KVL?

  • mohamed el teir
  • · Replies 8 ·
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8

High School The direction of a magnetic field?

  • sphear
  • · Replies 15 ·
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15

Undergrad Electrostatic potential question:what does "Slowly" indicate

  • gracy
  • · Replies 8 ·
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8

Graduate A question related to the method of images and uniqueness theorems

  • davidbenari
  • · Replies 4 ·
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4

High School Does Wire Length Affect Resistance?

  • terryds
  • · Replies 5 ·
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5

Graduate What is the Paradox of Faraday's Law and its Connection to Magnetic Fields?

  • Kostik
  • · Replies 7 ·
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7

Graduate (Self) Inductance of a straight current carrying wire, vol. 2

  • QuasiParticle
  • · Replies 25 ·
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25

Graduate Who Derived the Value of Magnetic Permeability in a Classical Vacuum?

  • Luminescent
  • · Replies 8 ·
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8

High School Why does the current divide through parallel resistors

  • kent davidge
  • · Replies 12 ·
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12

Graduate Electromagnetics in Spherical Symmetric Problem

  • darida
  • · Replies 1 ·
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1

Graduate RLC, RL, RC and LC circuits and ODE

  • Bruno Tolentino
  • · Replies 6 ·
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6

Graduate Electromagnetic spectrum/(dark)matter/4 fundamental forces

  • paulo84
  • · Replies 3 ·
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3

Graduate Electrostatics: Charged Energy & Beyond

  • Sunny Singh
  • · Replies 1 ·
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1

Undergrad Is My Railgun Defying the Laws of Physics?

  • Cbixel
  • · Replies 12 ·
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12

Undergrad Poynting Vector: Calculating E For Charged Particles in +ve X-Direction

  • Gayle
  • · Replies 1 ·
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1

Undergrad Why Does Current Decrease When a Resistor is Added to an Electric Circuit?

  • plain stupid
  • · Replies 14 ·
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14

Graduate The magnetic field of a photon

  • bobie
  • · Replies 9 ·
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9

Undergrad BotCan Kirchoff's Laws Be Applied to Non-Conservative Circuits?

  • Arvind_CSMaster
  • · Replies 7 ·
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7

High School How does the Earth produces it's own magnetic field?

  • dan020350
  • · Replies 6 ·
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6

Undergrad How the distance from centre decides type of charge motion?

  • gracy
  • · Replies 84 ·
3
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84

Graduate Does this device give a magnetic field?

  • Gh778
  • · Replies 6 ·
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6

High School Why does vibration always cause air to vibrate with it?

  • member 529879
  • · Replies 5 ·
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5

Undergrad Calculate Magnet Strength for Lifting 75 kg Iron in 1 Second - Morten

  • Ankhen
  • · Replies 6 ·
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6

Graduate Conceptual origin of the magnetic vector potential....?

  • Michael Lazich
  • · Replies 3 ·
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3

Undergrad What is the intensity of an electromagnetic radiation?

  • ecastro
  • · Replies 3 ·
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3

Graduate Electric field at the edges of a cube

  • Sturk200
  • · Replies 3 ·
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3

Undergrad Vibrate a string with electricity? Best ways?

  • MauriceWaves
  • · Replies 4 ·
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4

Graduate A question about the right hand rule

  • Srullic
  • · Replies 6 ·
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6

High School Why Does a Bulb Shine Brighter with Batteries in Series vs Parallel?

  • Bikrypto
  • · Replies 4 ·
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4

Graduate Bohr model and relativistic electron mass

  • Eric71
  • · Replies 7 ·
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7

Graduate Potential magnetic field lines and Stokes theorem....

  • octopode
  • · Replies 2 ·
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2

Graduate Help illustrating magnetic field line vectors and gradients

  • magnetics
  • · Replies 2 ·
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2

High School Magnetic Field Lines around a Magnet

  • Jimmy87
  • · Replies 4 ·
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4

Graduate Does Applying an Electrical Field to One Side of a Conductor Double the EMF?

  • Ozgen Eren
  • · Replies 3 ·
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3

Undergrad Electricity in a Particle System for Special Effects

  • Armitage19
  • · Replies 1 ·
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1

Undergrad How does the electric field propagates through a wire?

  • jaydnul
  • · Replies 32 ·
2
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32

Graduate Trying to understand Maxwell's equation in a medium

  • mikeyBoy83
  • · Replies 3 ·
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3

Undergrad Electromagnetic Radiation in Space

  • Sturk200
  • · Replies 12 ·
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12

Graduate Calculating field strength of an electromagnet

  • Murdock
  • · Replies 7 ·
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7

Undergrad Is conducting shell =uniformly charged thin spherical shell?

  • gracy
  • · Replies 13 ·
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13

High School Electric Field Strength: 2009 HSC Exam Question Explained | Australia

  • 123ryoma12
  • · Replies 4 ·
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4

Graduate What is the Function of the Hall Sensor in an RFID Transceiver Circuit?

  • Moe123
  • · Replies 13 ·
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13

Undergrad Electric flux through open surface

  • gracy
  • · Replies 21 ·
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21

Graduate Two questions related to "classical problem" of the image method

  • davidbenari
  • · Replies 11 ·
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11

Graduate Is there a unified equation for the forces of gravity and electromagnetism?

  • Einstein's Cat
  • · Replies 1 ·
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1

Graduate What is the behavior of magnetic saturation in 2-D?

  • Hassan2
  • · Replies 9 ·
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9

Undergrad Want to make sure I got the basics of voltage drops

  • Comfort_Cube
  • · Replies 3 ·
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3

Undergrad Calculating Radius of electric field

  • Blackhawk4560
  • · Replies 1 ·
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1

Undergrad Dependence of damping constant on current

  • PlickPlock
  • · Replies 1 ·
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1

Undergrad Direction of magnetic field and force in current wires

  • Fluxxx
  • · Replies 17 ·
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17

Undergrad Influence of R and L in RL circuit

  • cgiustini
  • · Replies 4 ·
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4

Undergrad (Classical) electromagnetism on the web

  • Bugge
  • · Replies 5 ·
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5

Graduate Instability of classical system of point charges

  • bcrowell
  • · Replies 16 ·
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16

Graduate Current density in an elliptical loop

  • QuasiParticle
  • · Replies 20 ·
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20

Graduate Gauss' law in differential form

  • Quicksilvr
  • · Replies 12 ·
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12

Graduate Ampere's Circuital Law: E Field Constant ∫H⋅dl

  • mairzydoats
  • · Replies 9 ·
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9

Undergrad What Happens When You Use Ionic Wires with a DC Source and Capacitor?

  • Salvador
  • · Replies 13 ·
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13

Undergrad Doubts about Electric field due to an infinitely long wire

  • gracy
  • · Replies 38 ·
2
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38

Graduate Doubts about linear elements of electrical circuits

  • brunotolentin.4
  • · Replies 2 ·
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2

Undergrad Understanding Gauss's Law: Electric Flux & Charge Enclosed by a Closed Surface"

  • gracy
  • · Replies 1 ·
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1

Undergrad Electrostatic Charge: Chemical Polarity & Charging Materials

  • Passionate Eng
  • · Replies 2 ·
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2

Undergrad How electric field lines going out from surface is zero?

  • gracy
  • · Replies 4 ·
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4

Undergrad Unstable equilibrium in case of dipoles

  • gracy
  • · Replies 12 ·
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12

Graduate Can we make use of Greens function if there are no charges?

  • sayebms
  • · Replies 3 ·
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3

High School Why it's (1/2)? [Electric Potential Energy]

  • Antonius
  • · Replies 2 ·
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2

Graduate What causes the potential energy in non-submerged electrons?

  • jaydnul
  • · Replies 36 ·
2
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36

Undergrad Number of fields line originating from 1 C charge

  • gracy
  • · Replies 1 ·
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1

Graduate Electric field lines from a moving charged particle

  • nomadreid
  • · Replies 2 ·
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2

Graduate Acoustic horns and impedance matching

  • parsec
  • · Replies 2 ·
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2

Undergrad Electric force (varying) on q from Q (conceptual question)

  • Antonius
  • · Replies 2 ·
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2

Graduate Current flow in semiconductors

  • beyondlight
  • · Replies 1 ·
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1

High School Electric field lines of positive source charge end on ....?

  • gracy
  • · Replies 1 ·
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1