Electromagnetism Forum

Threads

Graduate Infinite dielectric permittivity

  • Stanley514
  • · Replies 22 ·
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22

Graduate Energy flux versus temperature change

  • kmarinas86
  • · Replies 27 ·
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27

Undergrad Copper rod vs. bundle of wires in a magnetic field

  • tigrathi
  • · Replies 4 ·
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4

Undergrad Electromagnetic waves and photons

  • scientifico
  • · Replies 11 ·
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11

Graduate Electric field of a charged disc

  • jewbinson
  • · Replies 6 ·
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6

Undergrad Energy distrubution in a magnetic field

  • nemesiswes
  • · Replies 5 ·
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5

Graduate Does a magnetic flux tube always have a current flowing through it?

  • ImaLooser
  • · Replies 2 ·
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2

High School Light bulb uses current or resistance?

  • hasankamal007
  • · Replies 16 ·
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16

Undergrad Are Photovoltaic Cells Considered Ohmic Devices?

  • sj21
  • · Replies 5 ·
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5

Undergrad Magnetic field at center of half square

  • HelpMeh
  • · Replies 2 ·
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2

Graduate Why do photons/electrons scatter at angles in compton scattering?

  • nlsherrill
  • · Replies 3 ·
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3

Undergrad Intuition for Capacitor placed in parrallel or in series

  • Genericcoder
  • · Replies 2 ·
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2

High School Force experienced by a current-carrying conductor placed in a magnetic field

  • richieec
  • · Replies 1 ·
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1

High School Capacitor Shorting over aluminum.

  • Sefrez
  • · Replies 5 ·
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5

Undergrad 500amps in parallel wires -resistance change?

  • mjune
  • · Replies 9 ·
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9

High School Something I don't understand in Circuit

  • Genericcoder
  • · Replies 4 ·
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4

Undergrad Question about magnetic fields and magnetic forces

  • Terresquall
  • · Replies 10 ·
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10

Undergrad Zipline Diameter Pulley Friction/ Rolling Resistance

  • fluke70
  • · Replies 1 ·
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1

Undergrad Make electricity using your backyard stream

  • bobsmith76
  • · Replies 5 ·
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5

Graduate Magnetic force in a moving inertial reference frame

  • BucketOfFish
  • · Replies 12 ·
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12

Undergrad Charges moving parallel to magnetic fields and direction of magnetic force

  • nateja
  • · Replies 2 ·
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2

Undergrad Circuits - Incredibly Displeasing

  • Nano-Passion
  • · Replies 13 ·
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13

Graduate Generating magnetic field with Plasma

  • CognitiveNet
  • · Replies 1 ·
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1

Graduate How voltage amplification affects plasma flux density?

  • CognitiveNet
  • · Replies 1 ·
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1

Undergrad What Voltage is Needed to Ionize Helium in Plasma Globes?

  • CognitiveNet
  • · Replies 3 ·
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3

Undergrad Electric Dipole in B Field: No Torque

  • cragar
  • · Replies 5 ·
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5

Graduate Maxwell's Demon: would a cone work?

  • krausr79
  • · Replies 6 ·
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6

Graduate Force & B Field: Net Force when Test Charge Moves Relative to Current

  • Sefrez
  • · Replies 5 ·
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5

Graduate Understanding the Effects of Electric and Magnetic Fields on Moving Charges

  • adnan jahan
  • · Replies 2 ·
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2

Undergrad Variation in EMF of a magnet moving through a Coil

  • elemis
  • · Replies 11 ·
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11

Graduate Why Don't Electrons Replace Protons in MRI Imaging?

  • dangus
  • · Replies 34 ·
2
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34

High School Do magnetic poles of an object have to be perpendicular to the object's surface?

  • Terresquall
  • · Replies 6 ·
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6

Graduate What holds conducting electrons from flying off into vacuum

  • bob900
  • · Replies 3 ·
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3

Undergrad Earth's Magnetic Field components in a region

  • Liquidxlax
  • · Replies 2 ·
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2

Graduate Wavelength vs. Frequency Modulation

  • Niles
  • · Replies 2 ·
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2

Graduate Development of Magentic force equation to include angle

  • Da Apprentice
  • · Replies 1 ·
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1

High School At what voltages does arcing occur?

  • CognitiveNet
  • · Replies 8 ·
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8

Undergrad Simple Voltaic Cell: Alessando Volta's Electrolytic Cell

  • sankalpmittal
  • · Replies 9 ·
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9

Graduate Maxwell's equations and electromagnetic (waves)

  • Sefrez
  • · Replies 7 ·
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7

Graduate Can TdS be computed using an area, time double integral of heat flux density?

  • kmarinas86
  • · Replies 1 ·
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1

Undergrad Magnetic Field Energy: Is It Greater to Push than Pull?

  • iedoc
  • · Replies 3 ·
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3

High School How do you measure voltage of cell?

  • jd12345
  • · Replies 6 ·
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6

High School Capacitor & Resistor: Connecting in Parallel w/ Battery

  • kahwawashay1
  • · Replies 15 ·
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15

Undergrad Motion of a charged particle in a uniform magnetic field

  • bobsmith76
  • · Replies 4 ·
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4

Undergrad Doppler Frequency Equation Question

  • Nathan777
  • · Replies 1 ·
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1

Graduate What Is The Relationship Between Temperature and Magnetic Force?

  • Da Apprentice
  • · Replies 4 ·
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4

High School Understanding the Relationship Between Resistance and Voltage in Ohm's Law

  • Kurokari
  • · Replies 11 ·
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11

High School When an object becomes very cold do the electrons stop revolving ?

  • Abidal Sala
  • · Replies 1 ·
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1

Undergrad Why Does the Sign of dq/dt Change in RC Circuit Equations?

  • jd12345
  • · Replies 4 ·
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4

High School Object being magnetise from afar

  • Neutrino98
  • · Replies 2 ·
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2

Undergrad Converting Watts, Distributed Over An Area, To Energy Density

  • jaketodd
  • · Replies 8 ·
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8

Undergrad You can slow the group velocity of light. Can you slow electricity?

  • cyber stealth
  • · Replies 2 ·
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2

Undergrad Distribution of current in a conductive plate

  • papernuke
  • · Replies 4 ·
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4

Graduate Boundary Conditions for an Infinite Conducting Sheet

  • shooba
  • · Replies 1 ·
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1

Graduate Bombing a conductor with a stream of electrons

  • papernuke
  • · Replies 1 ·
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1

Undergrad Finding Distance Using a Fuse, Current & Magnetic Field

  • bubbaburp
  • · Replies 1 ·
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1

Undergrad Calculating heat generated by a resistance wire

  • privitmj
  • · Replies 4 ·
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4

Graduate Infinite current sheet: current suddenly turned on

  • djy
  • · Replies 11 ·
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11

Undergrad What is a Nyquist in Terms of Frequency?

  • fsonnichsen
  • · Replies 3 ·
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3

High School Why on a oscilloscope does a.c current have a sine wave, whereas a d.c

  • Sofie1990
  • · Replies 3 ·
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3

Undergrad What is the Frequency of Sound in Air at 11°C with a Wavelength of 4m?

  • 40856
  • · Replies 2 ·
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2

Graduate Does copper or aluminum sheet block magnetic signal?

  • yungman
  • · Replies 7 ·
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7

Undergrad What is more important? Power or voltage?

  • fisico30
  • · Replies 4 ·
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4

Graduate Acceleration of orbiting electrons in magnetic field.

  • tasnim rahman
  • · Replies 10 ·
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10

Undergrad Magnetic Fields Around Earth: Effects on Smaller Magnetic Fields

  • TWC59
  • · Replies 4 ·
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4

Undergrad Maglev Conveyor Help - Control Airgap and Linear Motion

  • Lantis
  • · Replies 3 ·
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3

Undergrad Any difference between induced EMF of an air coil vs with magnet core?

  • yungman
  • · Replies 11 ·
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11

Undergrad How Do Magnets Work At an Atomic Level (Motion of Charged Bodies)?

  • AFSstudent
  • · Replies 2 ·
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2

Undergrad How to Calculate Induced EMF Using Graphical Analysis?

  • maya.enid
  • · Replies 1 ·
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1

High School AP Physics: Understanding Ampere's Law for Wires and Solenoids

  • guss
  • · Replies 11 ·
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11

High School Electromagnetic field from electric engine

  • rxahart
  • · Replies 2 ·
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2

Graduate Does Dielectric Polarization Affect AC Transmission or Is It the Frequency?

  • Saw
  • · Replies 8 ·
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8

Graduate Observing Oscillating Charges: Effects on Energy

  • alireza4898
  • · Replies 4 ·
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4

High School Light bulb & photovoltaic cell & power transformer combo for FREE energy

  • CrystoshBauer
  • · Replies 6 ·
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6

Undergrad Resistivity of Nichrome experiment

  • ABarrows
  • · Replies 3 ·
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3

Undergrad Resistor - Capacitor - Resistor

  • Sefrez
  • · Replies 3 ·
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3

High School I understand that resisters slow current down. I have not read yet

  • bobsmith76
  • · Replies 6 ·
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6

Undergrad What Power Values Are Used in Transformer Efficiency Calculations?

  • sgstudent
  • · Replies 3 ·
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3

Graduate Would magnetic monopoles violate the conservation of energy?

  • agent_509
  • · Replies 16 ·
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16

Undergrad What If Lenz Law Worked in Reverse: What Would Happen?

  • get_physical
  • · Replies 7 ·
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7

Undergrad Discharging capacitor in RC circuit

  • cosmogrl
  • · Replies 13 ·
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13

Undergrad Parallel Vs. Series - Capacitance?

  • MySecretAlias
  • · Replies 9 ·
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9

Undergrad Are two magnets twice as strong as one?

  • cuffbertt
  • · Replies 1 ·
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1

High School What are some Thermoelectric experiments?

  • DJ-Smiles
  • · Replies 1 ·
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1

Undergrad Differences between Electromagnetic flux and magnetic flux

  • vunteng
  • · Replies 3 ·
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3

Graduate Is Permittivity Equivalent to EM Conductivity?

  • Saw
  • · Replies 30 ·
2
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30

High School Positive and negative electrical terminals

  • paul_harris77
  • · Replies 7 ·
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7

Undergrad Breakdown voltage of multiple materials

  • lepp1892
  • · Replies 18 ·
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18

Graduate Accelerating charged particle radiation reaction

  • roboticmehdi
  • · Replies 8 ·
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8

Undergrad Trend of Electromagnetic Temperature

  • Da Apprentice
  • · Replies 3 ·
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3

Graduate What if curl B = 0 AND div B = 0

  • Henry Morton
  • · Replies 8 ·
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8

High School Electromagnetic poles- repelling

  • Rozy94
  • · Replies 10 ·
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10

Undergrad Electromagnetic field strength

  • roboticmehdi
  • · Replies 4 ·
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4

High School What happens with the electrical energy within the body when we die?

  • TheIsh
  • · Replies 4 ·
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4

Graduate Wire in E Field: Will it Deflect?

  • cragar
  • · Replies 5 ·
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5

Undergrad Question about conductivity and metal bonds

  • danielgenov
  • · Replies 1 ·
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1

Undergrad Electric field in magnetostatics?

  • Arham
  • · Replies 5 ·
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5

Undergrad Can Electricity Flow Without a Complete Circuit?

  • quietrain
  • · Replies 26 ·
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26

Undergrad AC Magnetic Field (solenoid) ID OD L AmpTurns Relationship

  • gosain_sanjay
  • · Replies 2 ·
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2

High School What is the definition of EMF?

  • saurabhtiwari
  • · Replies 4 ·
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4