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Graduate Why dielectrics get polarized instead of directly ionized?

  • torito_verdejo
  • · Replies 13 ·
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13

Graduate Resources on non-spherical conductor surface charges

  • albertrichardf
  • · Replies 3 ·
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3

Undergrad What Causes Attraction and Repulsion in Physics?

  • Rishabh Narula
  • · Replies 4 ·
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4

High School A doubt on Electrostatics -- An electrified rod attracting light objects

  • Rishabh Narula
  • · Replies 1 ·
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1

Graduate The difficulty of learning Electromagnetism vs Classical Mechanics

  • vco
  • · Replies 1 ·
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1

Graduate Electron path in the presence of a dielectric

  • kelly0303
  • · Replies 15 ·
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15

Graduate Accelerometer with a Charge: Measuring Acceleration?

  • Karl Coryat
  • · Replies 13 ·
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13

Graduate Doubt about the 1st Law of Maxwell

  • Cloruro de potasio
  • · Replies 16 ·
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16

Undergrad Calculating fields in the presence of insulators

  • kelly0303
  • · Replies 8 ·
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8

Undergrad Why in an RL circuit does the voltage anticipate the current?

  • Andrea Vironda
  • · Replies 16 ·
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16

High School Understanding the concept of voltage

  • luca54
  • · Replies 7 ·
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7

Undergrad Wheatstone Bridge: Substitution Resistance Formula Derivation?

  • bagasme
  • · Replies 4 ·
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4

Undergrad Solving Electromagnetism problems in 3 dimensions

  • Physicslearner500039
  • · Replies 3 ·
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3

Undergrad Electromagnet that can generate 100 lbs at small size

  • member 662135
  • · Replies 13 ·
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13

Graduate Still water droplet evaporation rate (help using Maxwell's formula please)

  • zoofog
  • · Replies 3 ·
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3

High School Understanding Voltage: How Potentials Differ & Flow

  • CuriousBanker
  • · Replies 10 ·
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10

Graduate Oscillation frequency of 2D circular drop in an ambient environment

  • member 428835
  • · Replies 3 ·
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3

Graduate Changing the k constant in voltage potential equation?

  • falconblade
  • · Replies 2 ·
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2

Graduate Charging a magnetically levitating sphere to 1 gigavolt in a high vacuum

  • BrandonBerchtold
  • · Replies 4 ·
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4

Undergrad Electron gun in a vacuum -- How hard of a vacuum is needed?

  • David lopez
  • · Replies 11 ·
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11

High School Different Sign Conventions used with Kirchhoff's Law?

  • bagasme
  • · Replies 7 ·
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7

Graduate A proof that magnetic forces do no work?

  • Adesh
  • · Replies 36 ·
2
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36

Graduate Understanding Gauss's Law in Cylindrical Shells of Non-Infinite Length

  • PhDnotForMe
  • · Replies 3 ·
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3

Graduate Thermodynamics of electromagnetic radiation?

  • Andy Resnick
  • · Replies 2 ·
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2

Graduate Mach's principle for electric fields

  • Pythagorean
  • · Replies 1 ·
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1

Undergrad Charged metal ball wrapped in rubber or other insulator

  • PhDnotForMe
  • · Replies 8 ·
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8

Graduate Electrical potential of a thin wire in an E field

  • coquelicot
  • · Replies 11 ·
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11

Graduate What Can ARPES Reveal About Many-Body Effects in High-Tc Cuprates?

  • ZapperZ
  • · Replies 3 ·
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3

Graduate Classical Electromagnetism: An intermediate level course

  • Greg Bernhardt
  • · Replies 1 ·
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1

Graduate Modeling a ball thrown vertically including drag from air resistance

  • MigMRF
  • · Replies 6 ·
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6

High School Is 2000 Kilocalories the Average Human Need per Day?

  • Piotrovskiy Yury
  • · Replies 3 ·
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3

Undergrad Fields inside charged rings vs spherical shells

  • Andrew Wright
  • · Replies 6 ·
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6

Undergrad Magnetic levitation of a ball within a transparent tube

  • artis
  • · Replies 2 ·
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2

Graduate Derivation of [itex] p = \frac{E}{c} [/itex] using Maxwell's light

  • Adesh
  • · Replies 9 ·
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9

Undergrad Calculating EMF in a Solenoid: Understanding the Relationship of Turns and EMF

  • Adesh
  • · Replies 9 ·
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9

Graduate History of the theories of electromagnetism

  • MacOfficial
  • · Replies 4 ·
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4

Graduate Mystery Voltage: Investigating a Strange Phenomenon in MHD Testing

  • artis
  • · Replies 6 ·
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6

Graduate Electrostatics: sign of the potential

  • torito_verdejo
  • · Replies 4 ·
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4

Graduate Fundamental frequency of a rectangular-cavity whistle

  • Anachronist
  • · Replies 1 ·
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1

High School Question about EMF and EEG emission

  • oror
  • · Replies 3 ·
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3

Undergrad Why is the output current of a transformer fixed?

  • pkc111
  • · Replies 22 ·
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22

Undergrad Electromagnetic radiation measurements

  • oror
  • · Replies 2 ·
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2

Undergrad Trying to make an electromagnetic shaker device

  • derekmatthew
  • · Replies 3 ·
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3

Graduate What's electropositive ion flux in a plasma?

  • Indula
  • · Replies 4 ·
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4

Graduate The relationship of one of Maxwell's equations to Coulomb's Law

  • MaestroBach
  • · Replies 3 ·
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3

High School The Energy in an Electromagnetic Wave and the shape of the Wave

  • fizzyfiz
  • · Replies 3 ·
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3

Graduate Plasma current direction in the presence of an external field

  • artis
  • · Replies 7 ·
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7

Undergrad The electromagnetic nature of light

  • Jeff Root
  • · Replies 38 ·
2
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38

Graduate Orientation of the Ferroelectric Hysteresis Loop -- Why is it different now?

  • ryaamaak
  • · Replies 4 ·
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4

Graduate Can a magnetic field ever cause a translation motion?

  • Adesh
  • · Replies 12 ·
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12

Graduate Magnetic field outside a solenoid

  • patrykh18
  • · Replies 5 ·
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5

Undergrad Eletromagnétic field representation

  • PrimoCosta
  • · Replies 2 ·
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2

Graduate How Does Faraday's Law Impact Momentum Conservation in a Magnetic System?

  • Leontas
  • · Replies 13 ·
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13

Undergrad Magnetic flux (and flux in general)

  • archaic
  • · Replies 5 ·
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5

Undergrad Electromagnetics question - magnetic field and electrolysis

  • magnetman
  • · Replies 10 ·
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10

Undergrad Magnetic Braking: Pendulum Strength Req. for Effects

  • ELTSR02
  • · Replies 2 ·
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2

Undergrad What is the maximum charge in Coulombs can be obtained in ionistor?

  • ivanovenkoi
  • · Replies 8 ·
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8

High School What would happen to a charge that is placed in an Electric Field = 0?

  • BickySmalls
  • · Replies 5 ·
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5

High School How do we derive this forumla I=nqAv for current?

  • Elbraido
  • · Replies 1 ·
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1

Graduate Best permanent magnet arrangement?

  • George-M
  • · Replies 4 ·
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4

Undergrad Faraday Cage Concept and Building Questions

  • kandrey89
  • · Replies 1 ·
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1

High School Is Voltage a measurement of pressure?

  • frankin garcia
  • · Replies 33 ·
2
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33

Undergrad Voltage drop across a capacitor and resistor in series

  • Tryhard314
  • · Replies 19 ·
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19

Undergrad Why does this needle get an E field while this disk gets a D field?

  • CrosisBH
  • · Replies 7 ·
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7

Undergrad Opamp logarithmic & exponential amplifiers

  • daskywalker
  • · Replies 2 ·
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2

Graduate Electromagnetic stress-energy formula in wikpedia

  • olgerm
  • · Replies 6 ·
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6

Undergrad Gauss' Law applicability on any closed surface

  • torito_verdejo
  • · Replies 5 ·
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5

Undergrad Lenz's law and instantaneous change in inductor's current

  • PainterGuy
  • · Replies 3 ·
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3

Undergrad How far away can 1KW of RF energy be detected?

  • philip porhammer
  • · Replies 20 ·
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20

Graduate Discussion Thread on the "Massless Charge" Perpetual Motion Machine

  • Negatratoron
  • · Replies 1 ·
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1

High School Determining whether the non-integral form of Gauss' law applies

  • etotheipi
  • · Replies 1 ·
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1

Graduate Effect of a charge's own field on itself (Feynman Lec. Vol. [I]-28 )

  • Swamp Thing
  • · Replies 1 ·
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1

Graduate Is the Maxwell Ampere Law in Lieberman's Textbook Correctly Stated?

  • Decimal
  • · Replies 7 ·
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7

High School Does the size of a magnet affect its range?

  • danielhaish
  • · Replies 49 ·
2
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49

Undergrad Wavelength to Frequency Relationship in Musical Notes

  • KiwiJosh
  • · Replies 11 ·
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11

Graduate Equation of motion in polar coordinates for charged particle

  • sergiokapone
  • · Replies 14 ·
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14

High School Flux & Physics: Explaining the Constancy of Flux

  • harsh22902
  • · Replies 1 ·
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1

Graduate Line charge inside a conducting sphere?

  • ebru
  • · Replies 7 ·
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7

Undergrad How Does Lenz's Law Relate to Magnetic Flux and Induced Currents?

  • rayjbryant
  • · Replies 5 ·
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5

Graduate Electric Field Outside of a Ring of Charge in the X-Y Plane

  • Zap
  • · Replies 10 ·
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10

Graduate Current: the speed of charges vs the number of charges past a point

  • artis
  • · Replies 37 ·
2
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37

Graduate Time derivative jump of the electric/magnetic field

  • vogtster
  • · Replies 3 ·
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3

Graduate How do we know the mass of an electron?

  • Fr0stBite
  • · Replies 28 ·
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28

Graduate The Angular Momentum of an Electric and Magnetic Charge

  • unified
  • · Replies 6 ·
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6

Undergrad Prove to me how capacitors in parallel can have the same V across plates

  • mhrob24
  • · Replies 7 ·
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7

Graduate What is the maximum current in a superconductor loop?

  • fxdung
  • · Replies 2 ·
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2

High School Can someone compute the electrical output of this machine in watts

  • markzboyce
  • · Replies 7 ·
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7

Undergrad Visualization of fields in waveguides

  • Amartansh
  • · Replies 1 ·
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1

Undergrad Proving Gauss' Law using a Cubical Surface

  • sarsface
  • · Replies 5 ·
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5

Graduate How is the speed of light derived in Maxwell's equations?

  • geordief
  • · Replies 10 ·
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10

Graduate [E&M] Question on the Image charge method of a grounding sphere

  • Shell_E
  • · Replies 3 ·
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3

Undergrad I don't get Poisson's equation

  • MaestroBach
  • · Replies 9 ·
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9

Graduate How to find an expression for bound charge densities in griffiths

  • MrMuscle
  • · Replies 1 ·
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1

Graduate Do Maxwell's equations in integral form imply action at a distance?

  • Delta2
  • · Replies 5 ·
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5

Undergrad Magnetic Forces & Moving Wires: The Right Hand Rule

  • PhDnotForMe
  • · Replies 32 ·
2
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32

Graduate Is the current through the electrolyte double that through the circuit?

  • etotheipi
  • · Replies 6 ·
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6

Graduate How does gauge invariance determine the nature of electromagnetism?

  • joneall
  • · Replies 2 ·
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2

Graduate Calculating Spatial Current in Resonant Inductors

  • decaf14
  • · Replies 4 ·
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4

Undergrad Surface charge density of a conducting spherical shell

  • Samanko
  • · Replies 3 ·
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3

Undergrad Where Does the N in Faraday's Law of Induction Go?

  • dbag123
  • · Replies 2 ·
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2