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Undergrad Which electromagnetic waves does a source emit?

  • Samuel Gosselin
  • · Replies 12 ·
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12

Graduate Abstract definition of electromagnetic fields on manifolds

  • ZuperPosition
  • · Replies 2 ·
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2

Graduate Standing Wave Fundamental Frequency and Particle Vibration

  • Nikhil Rajagopalan
  • · Replies 2 ·
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2

Undergrad Clear formula for water penetration by wave frequency

  • Ali-GH
  • · Replies 5 ·
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5

Undergrad Electrostatic force with and without a conductor in between

  • iVenky
  • · Replies 5 ·
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5

Undergrad Open circuit voltage of an old battery

  • hokhani
  • · Replies 12 ·
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12

Undergrad Magnetic Repulsion for a Loudspeaker Motor

  • SuperTzar
  • · Replies 8 ·
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8

Graduate Path of a conducting sphere through a uniform magnetic field

  • ccarleton
  • · Replies 7 ·
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7

Graduate Time-varying electric field measurement using dipole

  • AliAttaran
  • · Replies 5 ·
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5

Graduate Faraday's Law with Zero Resistance Current Loop

  • Luxucs
  • · Replies 2 ·
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2

Graduate Are all EM waves produced by accelerating charges?

  • rugerts
  • · Replies 29 ·
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29

Graduate Force on a stationary test charge from a moving charge

  • Joseph M. Zias
  • · Replies 5 ·
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5

High School What Magnets are best to demonstrate deceleration?

  • ham1
  • · Replies 10 ·
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10

Graduate Using Maxwell's equations with realtime results

  • profbuxton
  • · Replies 2 ·
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2

Graduate Bound current of a magnetized object

  • Clara Chung
  • · Replies 4 ·
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4

High School Comparing 100J and -100J of Electric Potential Energy

  • rpthomps
  • · Replies 5 ·
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5

Undergrad Solving a Perplexing Thought Experiment: A DC Electrical Circuit

  • FreeForAll
  • · Replies 35 ·
2
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35

Graduate Why Do Metals Stop Reflecting Light at Certain Frequencies?

  • DariusP
  • · Replies 1 ·
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1

Undergrad The thermal speed of an electron at room temperature

  • Edge5
  • · Replies 1 ·
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1

Graduate B field of 1/2 infinite solenoid, equivalent current confguration

  • Spinnor
  • · Replies 4 ·
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4

Graduate Electromagnetic Lagrangian Invariance

  • PeroK
  • · Replies 1 ·
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1

Graduate Capacitance of two spheres with equal radius

  • bdvjofrni
  • · Replies 1 ·
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1

Graduate Planetary Motion: Orbit Transfers, Hohmann transfer

  • Lost1ne
  • · Replies 6 ·
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6

Graduate Charging and Discharging of a capacitor in an LC circuit

  • Nikhil Rajagopalan
  • · Replies 50 ·
2
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50

Graduate Unidirectional magnetic coupling

  • CWatters
  • · Replies 1 ·
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1

Graduate Electromagnetic waves: How broad is a plane wave?

  • frustrationboltzmann
  • · Replies 3 ·
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3

Undergrad How do you calculate voltage drop across neutral and ground?

  • Kevin J
  • · Replies 5 ·
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5

Undergrad Understanding Magnetic Domain Walls and Hysteresis Behavior: Can You Help?

  • Zahid Iftikhar
  • · Replies 24 ·
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24

Graduate Joule's first law - kinetic energy of electrical current

  • Abimbola1987
  • · Replies 12 ·
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12

Undergrad Question on the work done while charging up a capacitor.

  • bubblewrap
  • · Replies 1 ·
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1

Graduate Is Electric Potential value classical?

  • kiki_danc
  • · Replies 4 ·
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4

Graduate Electromagnetic waves: Photons generated by two charges attracted to each other?

  • frustrationboltzmann
  • · Replies 3 ·
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3

High School Why we use the conventional direction for current flowing?

  • Akash47
  • · Replies 6 ·
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6

Undergrad Help with electromagnets acting at a distance on an object

  • Neekman99
  • · Replies 8 ·
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8

Graduate Ratio of the Electric field to the Magnetic field

  • goodphy
  • · Replies 2 ·
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2

Undergrad What constitutes a closed end in acoustic resonance in tubes

  • MatthijsRog
  • · Replies 8 ·
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8

Undergrad Equivalent Resistance of Parallel Resistors

  • archaic
  • · Replies 2 ·
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2

Graduate How is current induced in superconductors?

  • Kevin J
  • · Replies 32 ·
2
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32

Undergrad Is Electromagnetic Braking Suitable for High-Speed Monorail Stopping?

  • aamsam
  • · Replies 3 ·
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3

Undergrad Eddy Current Brakes: where to with its current?

  • fresh_42
  • · Replies 2 ·
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2

High School Is this Live/Neutral transition true and instant?

  • Kevin J
  • · Replies 4 ·
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4

High School Are these AC circuits different? And does grounding change the voltage?

  • Kevin J
  • · Replies 7 ·
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7

Graduate Voltage due to relative motion of a charge and conductive loop

  • particlezoo
  • · Replies 23 ·
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23

High School Why we don’t put a minus sign in Coulomb's law

  • Zain580
  • · Replies 5 ·
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5

Undergrad How close does an electron get to a proton to be attracted

  • MarDude
  • · Replies 15 ·
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15

Undergrad Why does current choose the short circuit path?

  • Kevin J
  • · Replies 18 ·
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18

Graduate Meaning of "aligned" magnetic dipole

  • BearY
  • · Replies 2 ·
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2

Undergrad What is the current flowing in this zero-Ohm path?

  • Kevin J
  • · Replies 20 ·
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20

Graduate Maxwell Equations without Faraday's Law

  • kiki_danc
  • · Replies 13 ·
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13

Undergrad The integral form of Gauss' theorem

  • BearY
  • · Replies 4 ·
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4

Graduate Effective Resistance (Fluid Mechanics)

  • blizzardof96
  • · Replies 8 ·
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8

High School Is it Possible for a Short Circuit to Contradict Voltage in a Parallel Circuit?

  • Kevin J
  • · Replies 4 ·
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4

Undergrad What is the Electric Field at a Point Surrounded by Infinite Charged Particles?

  • Akash47
  • · Replies 3 ·
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3

Graduate Photoelectric effect in the study of a luminous diode (LED)

  • volnei_cipriano
  • · Replies 2 ·
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2

Undergrad Proof that the E field inside a cylindrical resistor is constant

  • Fibo112
  • · Replies 2 ·
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2

Graduate Magnetic field for thin plasma column confinement

  • Javier Lopez
  • · Replies 2 ·
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2

Graduate Integrating a Rogowski Coil's Output

  • Abimbola1987
  • · Replies 6 ·
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6

Graduate Field (Bz) Inside Axially Magnetized Permanent Ring Magnet

  • Helmholtzerton
  • · Replies 11 ·
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11

Undergrad Can Mu metals redirect a magnetic field?

  • DLeuPel
  • · Replies 11 ·
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11

High School How to intuitively understand Voltage and how to measure it?

  • LouisL
  • · Replies 15 ·
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15

High School The dropping of two identical balls without air resistance

  • M23
  • · Replies 4 ·
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4

Undergrad Attraction and repulsion of plates in capacitors

  • hokhani
  • · Replies 7 ·
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7

High School Splitting Up Capacitors | Any Advantage?

  • PhysicStud01
  • · Replies 14 ·
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14

Undergrad What happens to the Electrical Potential the closer we are to a point charge?

  • SebastianRM
  • · Replies 4 ·
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4

Graduate Understanding Dielectric Materials: E Field and Coulomb Force Explained

  • Fibo112
  • · Replies 3 ·
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3

Undergrad The resistance of a wire without a voltage bias

  • hokhani
  • · Replies 6 ·
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6

Undergrad What's the correct argument for why E=0 inside a conductor?

  • Loro
  • · Replies 14 ·
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14

Undergrad The sign of F (dot) dl when finding electric potential

  • EquationOfMotion
  • · Replies 3 ·
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3

Undergrad Dipole problem with electric fields

  • bubblewrap
  • · Replies 1 ·
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1

Undergrad How do we know electromagnetic waves are light?

  • mk9898
  • · Replies 42 ·
2
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42

Graduate Are these instances of identical magnetic fields?

  • pager48
  • · Replies 1 ·
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1

Undergrad Magnetic field due to a straight wire

  • Celso
  • · Replies 1 ·
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1

Graduate Electric Field and Potential in a conductor

  • bubblewrap
  • · Replies 3 ·
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3

Graduate Elliptic integral of the third order for magnet calculus

  • Javier Lopez
  • · Replies 4 ·
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4

Undergrad Understanding Inductrack and Halbach Array in Hyperloop Technology

  • mvisc10
  • · Replies 2 ·
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2

Undergrad Spark generation in capacitors

  • hokhani
  • · Replies 14 ·
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14

Graduate Calculating the Electric Field outside a dielectric

  • bubblewrap
  • · Replies 2 ·
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2

Undergrad Confused about the boundary conditions on a conductor

  • bubblewrap
  • · Replies 7 ·
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7

High School Collision of a charged and an uncharged particle

  • Robin04
  • · Replies 14 ·
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14

Undergrad What was the value of the permeability constant in 1865?

  • avicenna
  • · Replies 6 ·
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6

Graduate Can a Faraday cage protect you from electrocution in a nano second?

  • hokhani
  • · Replies 8 ·
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8

Graduate What is the magnetic field off-axis in the y direction?

  • Javier Lopez
  • · Replies 5 ·
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5

Graduate Finding the max frequency of a driven oscillator

  • SuchBants
  • · Replies 1 ·
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1

Graduate Temperature profiles and thermal resistance

  • roam
  • · Replies 9 ·
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9

High School Is voltage an inherent property of a metal at a given temp?

  • LouisL
  • · Replies 7 ·
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7

Undergrad JJ Thomson Discovery of the Electron

  • Teclis
  • · Replies 9 ·
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9

Graduate Electromagnetic wave, electromagnetic field and quantas

  • gianeshwar
  • · Replies 3 ·
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3

Graduate Electromagnetic Radiation Emitted By An Accelerating Charge

  • TheWiseFool
  • · Replies 4 ·
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4

Graduate Cold plasma technology and barrier discharge systems

  • Roisin1994
  • · Replies 1 ·
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1

Graduate Does electromagnetic radiation react with antimatter?

  • Sami1999
  • · Replies 4 ·
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4

Undergrad Magnetic Field of an AC generator

  • Zahid Iftikhar
  • · Replies 8 ·
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8

Graduate Electromagnetic waves from a dipole antenna

  • mk9898
  • · Replies 24 ·
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24

Undergrad Magnetism and atomic structure

  • coolul007
  • · Replies 2 ·
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2

Graduate Line Integral for Electromagnetic Force

  • gibberingmouther
  • · Replies 4 ·
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4

Undergrad Sensing current in a conductor

  • Moosemunch
  • · Replies 8 ·
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8

Undergrad Magnetic field inside a solenoid calculated with Ampere's law

  • Limddong
  • · Replies 3 ·
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3

Graduate Magnetization relation to magnetic field applied

  • igurman
  • · Replies 1 ·
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1

Graduate Can Maxwell's Method Be Used for High Frequency Circuit Calculations?

  • mertcan
  • · Replies 22 ·
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22

Graduate Lecture notes/Supporting notes

  • Abdul Quader
  • · Replies 2 ·
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2

High School MHD pump idea for school project

  • girts
  • · Replies 4 ·
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4