Electromagnetism Forum

Threads

Undergrad Induced current & force between 2 wires

  • PsiStar
  • · Replies 10 ·
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10

High School Electromagnet with External Iron 'Core'

  • LordBerkley
  • · Replies 1 ·
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1

Graduate Piezoelectric effect- tube scanner

  • solas99
  • · Replies 1 ·
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1

Undergrad Producing Safe and Visible Electric Arcs with Basic Materials

  • Pharrahnox
  • · Replies 17 ·
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17

Undergrad Charged ions and high pressure

  • QuarkMatter
  • · Replies 7 ·
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7

Graduate Relation Between the Magnetic Field Strength and Distance

  • ElectroMajor
  • · Replies 7 ·
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7

Graduate What limits the strength of a field at a given point in space?

  • Crazymechanic
  • · Replies 2 ·
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2

Undergrad Lorentz force on a wire in earth´s Magnetic field?

  • leviterande
  • · Replies 26 ·
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26

Undergrad Coulomb Law: What Does k Mean & Why Is 4π Used?

  • Bern123
  • · Replies 1 ·
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1

High School Connecting to batteries together in a circuit

  • B4ssHunter
  • · Replies 1 ·
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1

Undergrad Calculating Capacitive Reactance for 10V, 2.5kHz, Sine Wave

  • Physixs
  • · Replies 7 ·
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7

High School Steady State Current: Charge Flow Q&A

  • shenjie
  • · Replies 6 ·
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6

Undergrad Ampere's Law on Current Carrying Loop

  • JustStudying
  • · Replies 1 ·
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1

Undergrad If I wanted a constant B field using an element

  • Kidphysics
  • · Replies 3 ·
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3

Undergrad I don't understand electric fields.

  • silenzer
  • · Replies 2 ·
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2

Undergrad Why Does the North Pole Determine the Live Wire in AC Generators?

  • americast
  • · Replies 9 ·
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9

Graduate Is Negative Energy Possible in Capacitors?

  • johne1618
  • · Replies 5 ·
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5

Graduate Understanding Particle Behavior: Electrons and Protons at a Distance of 1cm

  • bobie
  • · Replies 31 ·
2
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31

Undergrad Energy of an electromagnetic wave

  • rmberwin
  • · Replies 4 ·
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4

Undergrad Non conducting cylinder and conducting cylinder

  • shubham goel
  • · Replies 1 ·
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1

Graduate Calculating Magnetic Field Lines

  • thegreenlaser
  • · Replies 4 ·
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4

Undergrad Unraveling Gauss's Law: Explaining Its Meaning and Use

  • iRaid
  • · Replies 2 ·
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2

Undergrad Best way to harness electricity from

  • lasix
  • · Replies 8 ·
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8

Graduate Self Inductance of a Cylindrical Current-Carrying Wire

  • raghav singh
  • · Replies 2 ·
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2

Graduate Magnetic field produced in a particle accelerator?

  • Davecbwfc
  • · Replies 4 ·
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4

Undergrad Finding natural frequency of a steel flat

  • lonthia
  • · Replies 1 ·
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1

Undergrad What Are the Viable Alternatives to Electricity for Future Energy Needs?

  • Pharrahnox
  • · Replies 3 ·
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3

Undergrad Resistor series proof and the Y-Δ transform

  • Bipolarity
  • · Replies 4 ·
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4

Graduate ZnO characterisation under constant current

  • chpolyz
  • · Replies 2 ·
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2

Undergrad Finding equivalent resistance in complex circuit

  • agoogler
  • · Replies 1 ·
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1

Undergrad Calculating the number of turns and thickness of an electromagnet

  • anru
  • · Replies 9 ·
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9

Undergrad Detecting if resistances are parallel or series in complex circuits

  • agoogler
  • · Replies 10 ·
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10

Graduate What does the el.Dipole Moment increasing with charge separation mean?

  • blaisem
  • · Replies 4 ·
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4

Graduate Infinite cylindrical conductor - calculating B_z

  • Rholle
  • · Replies 9 ·
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9

Graduate Projectile motion with air resistance

  • Big-Daddy
  • · Replies 19 ·
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19

Graduate Why is understanding bound currents important?

  • Astrum
  • · Replies 3 ·
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3

Graduate Gauss Law for non uniform spherical shell

  • nabeel17
  • · Replies 10 ·
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10

Undergrad How Strong Does an Electromagnet Need to Be to Lift a 10 kg Weight?

  • Hansprunner
  • · Replies 1 ·
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1

Undergrad Which bulb is really more collision of electrons inparallel connection

  • ggandy
  • · Replies 7 ·
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7

Graduate Understanding the Inner Workings of Plasma Globes: Explained and Unveiled"

  • Jimmy87
  • · Replies 3 ·
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3

Graduate How Do Charged Particles and Electric Fields Interact?

  • Crazymechanic
  • · Replies 22 ·
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22

Undergrad Why magnets H field oposes its B

  • si22
  • · Replies 6 ·
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6

High School Is there current even with huge resistances?

  • Pharrahnox
  • · Replies 6 ·
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6

Graduate Divergence of r/r^3: Defining w/ Dirac Delta to Fill Gaps

  • Sefrez
  • · Replies 13 ·
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13

Undergrad Mathematically, wouldn't the loss of electrons increase voltage?

  • ptownbro
  • · Replies 6 ·
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6

Graduate What causes the divergence of acceleration in the parallel plate system?

  • johne1618
  • · Replies 41 ·
2
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41

Graduate Integral of product of infintesimal volume

  • vijaypandey93
  • · Replies 3 ·
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3

Undergrad Magnetic field of a current loop

  • B4ssHunter
  • · Replies 24 ·
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24

Graduate Where's the logic in this Boundary value problem?

  • M. next
  • · Replies 4 ·
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4

Undergrad Ideas for an Acoustics Project?

  • rexregisanimi
  • · Replies 1 ·
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1

Undergrad What is this nature of Electrostatic Field ?

  • ramkishore
  • · Replies 8 ·
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8

Graduate Point Charge in the presence of charged, insulated, conducting sphere

  • M. next
  • · Replies 1 ·
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1

High School What Happens to the Brightness of Bulb D When the Switch is Closed?

  • disneychannel
  • · Replies 31 ·
2
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31

Undergrad Magnet Coil Turns and wire calculation

  • bhavu21fri
  • · Replies 3 ·
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3

Undergrad Induction, magnetism (flux), and current

  • candybish
  • · Replies 3 ·
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3

Undergrad Doubt in electromagnetic spectrum

  • manimaran1605
  • · Replies 2 ·
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2

Graduate Why Do Ferro- magnetic/electric Domains Exist?

  • SamBam77
  • · Replies 3 ·
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3

Undergrad Why is the attractive force if magnetism not accelerative?

  • Trojan666ru
  • · Replies 5 ·
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5

Undergrad What impact does air resistance have on a ball thrown upward with speed x?

  • itsme1
  • · Replies 2 ·
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2

Undergrad Electric Longboard: Motor Requirements for 90kg & 32km/h

  • Milkman64
  • · Replies 1 ·
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1

Undergrad Help with Steady State Heat Transfer Problem

  • Diego Saenz
  • · Replies 4 ·
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4

Undergrad Core falling out of electromagnet

  • lujacobs
  • · Replies 4 ·
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4

Graduate SAR (special absorption rate) & frequency

  • Worldline
  • · Replies 1 ·
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1

Graduate Reaction-at-a-distance: Might charged plates immediately repel?

  • johne1618
  • · Replies 7 ·
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7

Graduate How much induced voltage on sphere?

  • johne1618
  • · Replies 2 ·
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2

Undergrad Magnetic field due to current in straight wire(Biot-Savarts)

  • san203
  • · Replies 7 ·
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7

Graduate How to picture the magnetic vector potental A

  • si22
  • · Replies 3 ·
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3

High School Variable Resistors in a Voltage Divider

  • PsychonautQQ
  • · Replies 2 ·
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2

High School What happens to magnets when electricity is applied?

  • PhyHunter
  • · Replies 5 ·
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5

High School Understanding AC and DC: Answers to Common Questions | Multimeter Fun

  • Newtons Apple
  • · Replies 16 ·
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16

High School How do electrical charges attract/repel each other

  • DrKARMA
  • · Replies 4 ·
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4

Undergrad Best type of wire for magnetic field?

  • hyperion4
  • · Replies 6 ·
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6

Graduate Why is this wrong? (gravitational flux)

  • iScience
  • · Replies 2 ·
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2

Graduate Solutions To Spherical Wave Equation

  • RESolo
  • · Replies 15 ·
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15

Graduate Can Natural Magnets Effectively Manipulate Plasma in a Vacuum?

  • Vyndanion
  • · Replies 1 ·
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1

High School Magnetic Levitating Globe Weight

  • tionis
  • · Replies 10 ·
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10

Graduate Magnetic field from a coil (on Mathematica)

  • TheDestroyer
  • · Replies 2 ·
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2

Graduate Do electrons only feel the electric field?

  • johne1618
  • · Replies 5 ·
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5

Undergrad Inverse Square Law: Explaining Reduced Data Rate w/ Distance

  • Drakkith
  • · Replies 6 ·
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6

Graduate Superconductor: Magnetic Field Strength VS distance

  • Albertgauss
  • · Replies 4 ·
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4

Undergrad How is voltage in a battery determined?

  • jaydnul
  • · Replies 2 ·
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2

High School Piezoelectricity: how do we measure it?

  • markuz
  • · Replies 5 ·
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5

Graduate Capacitors will never rival batteries?

  • Stanley514
  • · Replies 15 ·
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15

High School Magnets and their polarity - what would happen if

  • Stoph
  • · Replies 4 ·
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4

High School Question about magnets and attraction

  • B4ssHunter
  • · Replies 4 ·
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4

Undergrad Understanding Ion and Electron Flow in Galvanic and Electrolytic Cells

  • ajayguhan
  • · Replies 1 ·
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1

Graduate In acoustics is there something analogous to skin depth in EM?

  • H_man
  • · Replies 3 ·
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3

Undergrad Solving for Current in Parallel Batteries with Different Voltages

  • Ezio3.1415
  • · Replies 7 ·
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7

Graduate Surface Integrals in Gauss's Theorem of Charge in Motion

  • BIT1749
  • · Replies 7 ·
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7

Undergrad What Causes Electromagnetic Induction in a Conductor?

  • eightsquare
  • · Replies 9 ·
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9

Undergrad Electric field between charging capacitor

  • Aziza
  • · Replies 8 ·
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8

Graduate Continuity equation derivation in Griffiths - why partial derivative?

  • HJ Farnsworth
  • · Replies 6 ·
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6

Undergrad Why do electrons with orbitals farther from the nucleus have greater e

  • MathewsMD
  • · Replies 5 ·
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5

Undergrad Electromagnetic induction and conductor

  • ViolentCorpse
  • · Replies 3 ·
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3

Graduate Can Virtual Electrons Really Just Pop in and Out of Existence?

  • omega-centauri
  • · Replies 5 ·
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5

Graduate Atom and its reaction while travelling in a magnetic field

  • radioactive8
  • · Replies 2 ·
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2

Graduate How to find electric-charge density distribution

  • smantics
  • · Replies 3 ·
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3

Undergrad Gauss method for electric field evaluation.

  • Dimani4
  • · Replies 6 ·
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6

Graduate Maxwell stress tensor in different coordinate system

  • dapias09
  • · Replies 4 ·
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4

High School Understanding Electrolysis: How Do Ions and Current Flow?

  • Deep_Thinker97
  • · Replies 3 ·
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3