Electromagnetism Forum

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Undergrad Visualization of Magnetic Field

  • Harmony
  • · Replies 1 ·
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1

Graduate How are Electrical Permittivity and Magnetic Permeability Measured?

  • Zman
  • · Replies 5 ·
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5

Undergrad What is the maths behind projectiles (including air resistance)?

  • Georgepowell
  • · Replies 6 ·
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6

High School AC current & how electocution happens

  • willouj
  • · Replies 4 ·
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4

High School Understanding Op Amp Offset Voltage: Rules & Examples

  • ecestar
  • · Replies 11 ·
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11

High School Circuit with only resistors and multiple batteries

  • driedupfish
  • · Replies 2 ·
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2

Undergrad Would this create an electromagnetic wave?

  • Forestman
  • · Replies 2 ·
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2

Graduate Is the Uniqueness Theorem in EM Always Proven by Contradiction?

  • cosmicash
  • · Replies 9 ·
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9

High School Understanding RC and RL circuits

  • driedupfish
  • · Replies 3 ·
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3

High School Magnetic Field Lines: Can They Be Broken?

  • Forestman
  • · Replies 1 ·
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1

Graduate What Happened with Magnetic Monopoles?

  • miketem
  • · Replies 8 ·
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8

Undergrad How do eddy current brakes work and what are their applications?

  • LabBioRat
  • · Replies 2 ·
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2

Graduate EM Waves Vs Photons: Can Physical Explanations Explain All?

  • rjbeery
  • · Replies 7 ·
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7

Undergrad What if there were more radio receivers?

  • Camilord
  • · Replies 3 ·
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3

Undergrad Ulrich's Physics Dilemma: Burning a Condenser

  • Ulrich
  • · Replies 8 ·
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8

Undergrad The Electromagnetic Wave of a Coil

  • SMT88
  • · Replies 3 ·
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3

Undergrad Does Water Depth Affect Marine Propeller Resistance and Cavitation?

  • copria
  • · Replies 7 ·
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7

Graduate Can Magnetic Fields Be Polarized Like Light?

  • db1uover
  • · Replies 1 ·
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1

Undergrad Electronic Quenching in Geiger Muller Tubes

  • shehri
  • · Replies 7 ·
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7

Graduate Two pm alternators in parallel query

  • b.shahvir
  • · Replies 5 ·
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5

Undergrad Electrostatic dust distribution

  • raz01
  • · Replies 10 ·
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10

Graduate How to Determine Fringing Capacitance in a Cylindrical Rod-Ground Plane Setup?

  • z3phyr
  • · Replies 4 ·
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4

High School Does stacking magnets affect their weight on a scale?

  • sonofahb
  • · Replies 13 ·
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13

Undergrad Can Water Be Controlled by High Voltage?

  • delaaynomore
  • · Replies 13 ·
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13

Graduate Does a Radiating Charge on a Spring Ever Stop Oscillating?

  • Adamecius
  • · Replies 8 ·
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8

Graduate Lorentz Violation of the Standard Model

  • jcyoon
  • · Replies 23 ·
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23

Undergrad Flux Density and Capitance relationship?

  • Oscar6330
  • · Replies 4 ·
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4

Undergrad Understanding Induced Movement of Coil and Magnet

  • IvaNMK
  • · Replies 2 ·
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2

Graduate Force between two charges in closed universe

  • Spinnor
  • · Replies 3 ·
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3

Undergrad What is the field strength and when does a situation like this occur?

  • aps0324
  • · Replies 1 ·
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1

Graduate So I plug in a circuit 299,792,458 meters long into my wall outlet

  • BrianConlee
  • · Replies 5 ·
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5

Graduate Reconciling Magnetism in material and the Lorentz Force equation

  • xerxes73
  • · Replies 4 ·
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4

Undergrad Why are my EV batteries losing charge and amps?

  • U4edot
  • · Replies 4 ·
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4

Undergrad Does air resistance reduce range more for heavier projectiles?

  • glenn101
  • · Replies 8 ·
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8

Undergrad Connecting Newton and Coulomb: Is There a Link Between Their Laws?

  • delplace
  • · Replies 14 ·
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14

Graduate Why Does Magnetic Hysteresis Loss Appear as a Resistance in Electrical Circuits?

  • b.shahvir
  • · Replies 2 ·
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2

Graduate Torque and Force due to an external magnetic field

  • wam_mi
  • · Replies 2 ·
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2

Undergrad Do coiled power cables overheat from their magnetic field?

  • Loki554
  • · Replies 8 ·
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8

Graduate Can magnetic monopoles exist despite the challenges in detecting them?

  • wam_mi
  • · Replies 2 ·
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2

Undergrad Electric field and potential confusion

  • pudasainigd
  • · Replies 2 ·
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2

Graduate How do you relay EM wave parameters to Transmission line parameters?

  • yungman
  • · Replies 4 ·
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4

Graduate Does the Flow Rate Change in a Turbocharger at Different Pressure Levels?

  • Physics_Kid
  • · Replies 3 ·
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3

Undergrad How electron transport in conductors

  • chenhon5
  • · Replies 6 ·
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6

Undergrad Problem: electrolysis & lime coating wires

  • hazim
  • · Replies 4 ·
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4

Undergrad Does a Conductor's Diameter Affect Its Magnetic Field Strength?

  • cataldo
  • · Replies 3 ·
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3

Graduate Paradox regarding energy of dipole orientation

  • JustinLevy
  • · Replies 80 ·
3
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80

Undergrad Strength of a permanent magnet

  • evouga
  • · Replies 5 ·
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5

Graduate Aharonov-Bohm effect in quantum dots

  • ordinary_girl
  • · Replies 1 ·
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1

Graduate Ampère force law, action, reaction

  • lalbatros
  • · Replies 5 ·
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5

Graduate Permeability and Permittivity of Free space versus particules

  • owlal85
  • · Replies 2 ·
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2

High School Why Does Rubber Create Sparks When Rubbed Against the Floor?

  • eRa
  • · Replies 6 ·
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6

High School How can a high school student accelerate electrons with basic equipment?

  • ScienceNerd36
  • · Replies 7 ·
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7

Undergrad Do photodiodes require transimpedance amplification to convert current to voltage?

  • Crumbles
  • · Replies 12 ·
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12

Undergrad Force acting on a permanent magnet

  • Jedi_Sawyer
  • · Replies 10 ·
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10

Graduate Count Coulombs on a Plate: Best Charge Methods

  • RProgrammer
  • · Replies 7 ·
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7

High School Help- can I shield a magnet so it won't damage my phone?

  • baggage
  • · Replies 4 ·
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4

High School How does a battery create positive and negative charges?

  • hoodleehoo
  • · Replies 12 ·
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12

High School Question on electromagnetic repulsion

  • willynilly
  • · Replies 3 ·
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3

Undergrad Motion of a wire in a magnetic field

  • eoghan
  • · Replies 1 ·
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1

Undergrad Odd voltages on home built PSU

  • relativespeed
  • · Replies 4 ·
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4

Graduate Violation of action-reaction law?

  • celestra
  • · Replies 10 ·
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10

Undergrad Calculating Resistance of 0.35m Copper Wire (20 AWG)

  • .:Endeavour:.
  • · Replies 3 ·
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3

Graduate Current density constant in time implies charge density linear in time?

  • davethecello
  • · Replies 1 ·
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1

Graduate Nuetron made by electron Bombardment

  • cragar
  • · Replies 2 ·
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2

Graduate Action at a Distance in Electromagnetism?

  • Phrak
  • · Replies 24 ·
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24

Graduate Three Laws of Classical Electromagnetism

  • Phrak
  • · Replies 14 ·
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14

High School Does conservation of energy apply to magnetism?

  • ChemGuy
  • · Replies 8 ·
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8

Graduate A philosophy problem regarding electromagnetic field

  • kof9595995
  • · Replies 17 ·
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17

Graduate What Is the Drude-Lorentz Model in Relation to Permittivity and Conductivity?

  • thefireman
  • · Replies 1 ·
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1

Undergrad Does a magnet radiate a line force or piont force

  • U4edot
  • · Replies 1 ·
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1

Graduate Can Electromagnetic Waves Oscillate into a 4th Dimension?

  • Mentallic
  • · Replies 6 ·
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6

High School Why does adding a dielectric to a capacitor increase its charge storage?

  • mastiffcacher
  • · Replies 1 ·
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1

Graduate Is the Abraham-Lorents force formula in wikipedia correct?

  • lukcho
  • · Replies 39 ·
2
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39

High School How to calculate voltage, current, charge and work from each other

  • .:Endeavour:.
  • · Replies 15 ·
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15

Undergrad Why do we have the concept of electric potential

  • ximath
  • · Replies 13 ·
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13

Undergrad Magnet Fields Dilemma: Moving vs. Still Charge

  • Mentallic
  • · Replies 8 ·
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8

Graduate What is the correct voltage current eq. for a variable capacitance capacitor?

  • simplex
  • · Replies 1 ·
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1

High School Resistor Concept: Series & Parallel Circuits

  • IvaNMK
  • · Replies 5 ·
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5

Graduate Measuring the frequency of the e.m. oscillations in the em. wave

  • bernhard.rothenstein
  • · Replies 2 ·
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2

Undergrad Massive objects and electric forces

  • pentazoid
  • · Replies 1 ·
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1

Undergrad Why does Ampere's law give the same field for a toroid and an infinite wire?

  • Oerg
  • · Replies 8 ·
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8

Graduate Understanding Displacement Current: The Physical Explanation Behind the Concept

  • Apteronotus
  • · Replies 1 ·
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1

Undergrad Trying to achieve at least 1 Tesla for a solenoid

  • shotgunshogun
  • · Replies 9 ·
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9

High School Why does reverse bias on a diode block current?

  • mmmboh
  • · Replies 4 ·
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4

High School Using electromagnets in a Gauss gun for a school project

  • burtonlang
  • · Replies 7 ·
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7

High School How do current of the circuit affect the magnitism of the nail

  • vvc531
  • · Replies 2 ·
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2

High School Constructing experiment to prove P=IV

  • PhysicsLearne
  • · Replies 1 ·
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1

High School How to convert an AC generator into a DC generator

  • phys-lexic
  • · Replies 17 ·
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17

Undergrad Calculating size of electric motor needed

  • Kalus
  • · Replies 3 ·
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3

High School Is electrostatic just stationary electricity?

  • gforce01
  • · Replies 2 ·
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2

High School How Does an Electroscope Detect Electric Charges?

  • gforce01
  • · Replies 1 ·
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1

High School Are Generator Coils Replaced Due to Electron Depletion?

  • vershun003
  • · Replies 1 ·
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1

High School Elementary charge(someone , i have a test tomorrow )

  • gforce01
  • · Replies 2 ·
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2

Undergrad Doppler Effect: Finding Frequency vs Time

  • nobb
  • · Replies 8 ·
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8

Graduate Infinite Self-Energy of a Charged Point Particle

  • Himanshu
  • · Replies 7 ·
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7

High School Van der graaf generator and tesla coil

  • mark68
  • · Replies 1 ·
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1

High School How does a magnet transmit force to its surroundings?

  • jnorman
  • · Replies 23 ·
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23

Undergrad Linking electric potential from field integration to circuit voltage V=IR

  • ahmedhassan72
  • · Replies 2 ·
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2

High School Does the electric current have a direction?

  • hmalkan
  • · Replies 11 ·
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11

Undergrad Increasing AC Mains Current to 1-2 A for Physics Lab Expt.

  • mkbh_10
  • · Replies 3 ·
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3