Electromagnetism Forum

Threads

Undergrad Why don't objects turn off when an AC circuit reaches 0V?

  • SirBerr
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3

Undergrad Question on relationship between drift velocity and resistance

  • arjose
  • · Replies 1 ·
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1

Undergrad Making 1 Tesla Electromagnet(need specification)

  • sushil_204
  • · Replies 2 ·
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2

High School Minimum kgf/N for a 4m x 2.5m Door - Outdoor Wind Resistance

  • josh.k.abbott
  • · Replies 4 ·
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4

Undergrad Is There a Limit to Charge Density Similar to Mass Density in Black Holes?

  • kahwawashay1
  • · Replies 3 ·
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3

Graduate Determining Counter EMF in Magnetic Fields

  • fonz
  • · Replies 6 ·
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6

Undergrad Understanding Gauss's Law: When to Apply and When it Fails

  • dipole
  • · Replies 2 ·
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2

Undergrad How can I create a symmetrical electromagnetic field with two cylindrical poles?

  • beatlemaniacj
  • · Replies 7 ·
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7

High School Force due to magnet and current carrying wire

  • sgstudent
  • · Replies 6 ·
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6

Graduate HiI know that for a short solenoid (L<R) the magnetic field at the

  • Niles
  • · Replies 2 ·
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2
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5

Graduate Beat frequency- universal mathematical proof?

  • dunnoe
  • · Replies 8 ·
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8

High School The Mystery Behind Tuning a Radio

  • Majid
  • · Replies 12 ·
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12

Graduate Dropping magnet through vertical aluminum tube

  • dougettinger
  • · Replies 2 ·
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2

Undergrad Converting eV to V: Debunking the Myth and Simplifying the Process

  • robwashere
  • · Replies 4 ·
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4

Undergrad Snagged a little on some vector math

  • whiterabbit9
  • · Replies 1 ·
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1

High School How do I fix the primary part for my 1.8KW Tesla tower?

  • TheStyle1
  • · Replies 2 ·
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2

Graduate Can electric dipoles violate Newton's 3rd Law?

  • dipole
  • · Replies 2 ·
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2

Undergrad The frequency of forced oscillations

  • TheLil'Turkey
  • · Replies 3 ·
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3

High School Voltage in series and parallel circuits

  • johnathon
  • · Replies 6 ·
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6

Graduate Force on solenoid in external uniform field?

  • neosocra
  • · Replies 5 ·
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5

High School Whether capacitors generally have net charge

  • diagopod
  • · Replies 6 ·
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6

Undergrad Electric Field in a Conductor: Is the Image Misleading?

  • yellowbus
  • · Replies 3 ·
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3

Undergrad How to generate a magnetic field

  • androsidhom
  • · Replies 1 ·
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1

Graduate Question about Nodal Analysis of non-linear component

  • genxium
  • · Replies 13 ·
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13

Graduate Is Our Understanding of Gravity and Quantum Mechanics Incomplete?

  • fellupahill
  • · Replies 7 ·
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7

Undergrad Is the electric field in the human body zero?

  • theBEAST
  • · Replies 3 ·
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3

Graduate Maxwell equations, curl problem

  • marcius
  • · Replies 3 ·
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3

High School Does electricity travel through vacuum?

  • adi1998
  • · Replies 8 ·
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8

High School Flux, Capacitance, Difference Potential, and Volt

  • robwashere
  • · Replies 2 ·
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2

Graduate Confusing about Maxwell-Boltzmann distribution in non-classical region

  • KFC
  • · Replies 5 ·
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5

Undergrad Relationship between charge carriers per unit volume and resistance

  • tobytoby123
  • · Replies 5 ·
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5

Undergrad Amperes circuital law for finite length of wire

  • jd12345
  • · Replies 4 ·
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4

Undergrad Electromagnetic Levitation Force

  • physicsod
  • · Replies 9 ·
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9

High School Will a magnetic field pass through non magnetic materials

  • sgstudent
  • · Replies 13 ·
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13

Maxwell almost failed his qualifying exam

  • hh73
  • · Replies 2 ·
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2

Undergrad Magnetism: conditions for magnetic attraction and magnetic shielding

  • sgstudent
  • · Replies 6 ·
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6

Undergrad Electromagnet for attracting Non-ferrous metals

  • iceworm
  • · Replies 8 ·
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8

Graduate Different EMFs around different paths

  • Martinius
  • · Replies 2 ·
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2

Undergrad Derive equation for electric potential of electric dipole

  • kahwawashay1
  • · Replies 2 ·
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2

Undergrad Where Does the Energy Go When Magnetic Fields Cancel?

  • rodsika
  • · Replies 19 ·
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19

Graduate Understanding Green functions in electrostatics

  • VortexLattice
  • · Replies 7 ·
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7

High School Does an open circuit have any voltage?

  • siriasis
  • · Replies 1 ·
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1

High School Small Electromagnet for High School Show Effect

  • music123
  • · Replies 1 ·
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1

Graduate Classical magnetic energy of two electrons

  • Syrius
  • · Replies 2 ·
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2

Graduate Gauss's Law in Matter: What is It?

  • Apteronotus
  • · Replies 8 ·
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8

Undergrad Why is the minus sign omitted in the voltage across the inductor?

  • ajith.mk91
  • · Replies 3 ·
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3

Undergrad Construction of a magnetic field over radioactive waste

  • I eat Comets
  • · Replies 5 ·
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5

Graduate Why does tape distribute static charge unevenly?

  • Nienstien
  • · Replies 4 ·
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4

Undergrad Bar magnet entering a solenoid

  • leah3000
  • · Replies 7 ·
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7

Graduate Protons in a positive magnetic field

  • youngcosmos
  • · Replies 6 ·
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6

High School Magnets strength/repel, total movement?

  • thematrixiam
  • · Replies 10 ·
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10

Graduate Induced EMF through variable-resistance-wire due to Faraday's Law

  • DocZaius
  • · Replies 8 ·
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8

Undergrad Query on explanation for electromagnetic field - Feynman lectures on physics

  • physicsYum
  • · Replies 1 ·
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1

Undergrad Slightly confused about potential energy in an electrostatic field

  • jimbobian
  • · Replies 3 ·
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3

Undergrad An experiment with a charged electrolyte and magnet

  • cosmicomic
  • · Replies 3 ·
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3

Graduate Could Dark Matter Be the Medium for Electromagnetic Waves?

  • mikewday
  • · Replies 18 ·
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18

High School Frequency and Voltage relation

  • david_19
  • · Replies 1 ·
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1

Undergrad Acoustic radar project for students

  • cowboy3
  • · Replies 2 ·
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2

Graduate Amount of a magnetic force to alter the trajectory of a photon

  • ectro
  • · Replies 29 ·
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29

Undergrad Static Electricity electron transfer

  • nDever
  • · Replies 16 ·
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16

Graduate In regards to Maxwell's Demon

  • wkassis
  • · Replies 5 ·
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5

High School Explaining the Meaning of "Flux" in Electromagnetism

  • HeilPhysicsPhysics
  • · Replies 6 ·
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6

Undergrad Why Does a Zener Diode Withstand Reverse Biasing When Ordinary Diodes Fail?

  • jobsism
  • · Replies 3 ·
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3

High School Electric Fields/Electric Potential

  • wilbanksmush
  • · Replies 1 ·
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1

Graduate Coulomb Gauge and Gauge Transformation

  • rodsika
  • · Replies 1 ·
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1

Graduate Variable-capacitance power generation

  • SupernerdSven
  • · Replies 1 ·
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1

Undergrad Question about the motion charges moving within an electric field

  • Excalibur1152
  • · Replies 5 ·
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5

Undergrad Rotating magnet inside coil = flux change?

  • lluke9
  • · Replies 2 ·
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2

Undergrad Magnetic forces in planetary orbits

  • blueberrynerd
  • · Replies 5 ·
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5

Undergrad Does Shape Determine Frequency?

  • Johnleprekan
  • · Replies 3 ·
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3

Undergrad Air equivalent of rail gun possible?

  • thematrixiam
  • · Replies 2 ·
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2

High School Understanding Potential Difference: Work Done per Unit Charge?

  • physics kiddy
  • · Replies 42 ·
2
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42

High School Surface Charge Concept: Why Charges Move to Outer Surface

  • SirBerr
  • · Replies 4 ·
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4

Undergrad Potentiometer : how that balancing point is reached?

  • fbgiant
  • · Replies 2 ·
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2

Undergrad Six cylindrical magnets arranged N-S-N-S-N-S formed into a ring hold shape?

  • Ntstanch
  • · Replies 15 ·
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15

High School Can Magnets Be Used to Generate Energy Through Repelling Forces?

  • MattBooth44
  • · Replies 6 ·
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6

Undergrad Calculating Energy Needed to Fill Basins with Water

  • Yoann
  • · Replies 3 ·
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3

Undergrad Energy of homogenously charged sphere

  • Gavroy
  • · Replies 5 ·
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5

High School Could this process using gravity generate electricity?

  • Yoann
  • · Replies 2 ·
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2

Graduate Effects of Electromagnetic mass indistinguishable from regular mass?

  • johne1618
  • · Replies 2 ·
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2

Undergrad Magnetic strength cannot be measured

  • bobsmith76
  • · Replies 3 ·
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3

High School How to build a stonger Electro-Magnet

  • DHS Science
  • · Replies 50 ·
2
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50

Graduate VOLUME charge density from SURFACE/LINE charge density?

  • VortexLattice
  • · Replies 9 ·
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9

Graduate Perturbation of a uniform electrostatic field by a dielectric cube

  • Apteronotus
  • · Replies 9 ·
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9

Graduate Peak forces of round and rectangular solenoids

  • jschwartz6
  • · Replies 3 ·
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3

High School Connecting a dynamo to bicycle to get electricity

  • LaurentiuS
  • · Replies 1 ·
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1

Graduate Spin and orbit velocity of electron slows down approaching c ?

  • Professorv
  • · Replies 23 ·
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23

Graduate Question on Feynman lectures volume 1 (wavelength and frequency)

  • demonelite123
  • · Replies 3 ·
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3

High School Struggling to Teach AS Level Electricity: What Analogies Can Help?

  • hydey287
  • · Replies 5 ·
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5

Undergrad Force, mass versus resistance to move a weight

  • waynexk8
  • · Replies 23 ·
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23

Undergrad Nuclear equations and conservation of charge

  • tsutsuji
  • · Replies 4 ·
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4

Graduate Complex orthogonality of electric and magnetic fields

  • aravantv
  • · Replies 8 ·
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8

Undergrad Understanding Electron Orbits: A Physics Problem Explained

  • bobsmith76
  • · Replies 4 ·
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4

High School Understanding Gas Current Flow: A Comprehensive Guide

  • sunjava1
  • · Replies 1 ·
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1

Undergrad Battery to battery straight wire of current?

  • DocZaius
  • · Replies 1 ·
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1

Undergrad Why don't static shocks kill you?

  • bhoot
  • · Replies 25 ·
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25

Undergrad Why Do Grass Seeds Trace Out the Electric Field?

  • quietrain
  • · Replies 9 ·
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9

Graduate Lets say I have a pipe and then another pipe inside a larger pipe.

  • cragar
  • · Replies 4 ·
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4

Graduate Does the Lorentz Force Account for Radiation Loss in Charged Particles?

  • sadegh4137
  • · Replies 1 ·
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1