Electromagnetism Forum

Threads

Undergrad Electric Flux: Is it an Integer or a Real Value?

  • aniketp
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4

Undergrad Q: LC Circuit: Q0 = 18 C & I = 0 - What is the Equilibrium Charge?

  • gtman12
  • · Replies 1 ·
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1

Undergrad Potential between two infinite plates with the same charge.

  • mrkayak
  • · Replies 1 ·
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1

Undergrad Understanding the Relationship Between Magnetic Field and Current

  • Gear2d
  • · Replies 1 ·
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1

Graduate Are Maxwell's Equations More Complex Than We Thought?

  • lichen
  • · Replies 2 ·
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2

High School Charges: What Are They & How Do They Exist?

  • Gear300
  • · Replies 3 ·
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3

Graduate Finally logged in; moment of inertia of the electric field.

  • Almanzo
  • · Replies 4 ·
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4

Graduate The dot product on electric potential

  • casanova2528
  • · Replies 2 ·
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2

Graduate What Determines Surface Charge Density Inside a Cavity: A or B?

  • i_island0
  • · Replies 3 ·
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3

Undergrad Conductivity,permittivity & permiability

  • deep_tought_e
  • · Replies 3 ·
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3

Undergrad Understanding Back EMF: Effects on Parallel and Series Electrical Circuits

  • moon2
  • · Replies 1 ·
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1

High School Ghost Detectors: What Is 1 Milligauss?

  • Razzor7
  • · Replies 3 ·
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3

Undergrad How does lorentz law affect a single charge?

  • eranb2
  • · Replies 4 ·
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4

Undergrad Magnet Force Q: Repel/Attract at 3cm Distance

  • Green Zach
  • · Replies 4 ·
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4

Undergrad Ampere's Law using the Biot Savart Law

  • anantchowdhary
  • · Replies 5 ·
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5

Graduate The laws of Coulomb versus Ampere and the electromagnetic Machian paradox

  • Redhat
  • · Replies 15 ·
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15

Graduate Electric Field and Dielectric: Displacement Field

  • Apteronotus
  • · Replies 4 ·
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4

Graduate Questions on light and photoelectric effect

  • esvion
  • · Replies 5 ·
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5

High School When saying that AC creates magnetism

  • eranb2
  • · Replies 7 ·
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7

Undergrad Transformer when output circuit is open

  • ahmadriaz
  • · Replies 1 ·
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1

Undergrad Lenz's Law & Magnet Dropping into Coils: Does Velocity Decelerate?

  • Dumb Idea
  • · Replies 1 ·
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1

High School Maxwell's Equations: Explanation in Words

  • eranb2
  • · Replies 5 ·
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5

High School Wire does a loop of wire create a norh pole and a south pole

  • sameeralord
  • · Replies 2 ·
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2

High School What is the Difference Between AC and DC Current for Electromagnets?

  • eranb2
  • · Replies 2 ·
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2

High School Why is there no induced emf in electric motor?

  • sameeralord
  • · Replies 5 ·
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5

Undergrad Solving Skin Depth Challenges in Electromagnetics

  • deep_tought_e
  • · Replies 8 ·
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8

High School What kind of current creates magnetism?

  • eranb2
  • · Replies 3 ·
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3

High School Charge: An Overview of Electric Charges & Forces

  • mildpiranha
  • · Replies 1 ·
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1

Graduate E-field from Time Varying B-field of Current Loop

  • luke
  • · Replies 4 ·
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4

Undergrad Kelvin & Watts: Light Penetration Explained

  • Skewed
  • · Replies 14 ·
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14

Graduate Charge distribution within a solid conductive sphere

  • m.e.t.a.
  • · Replies 6 ·
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6

High School Why am I getting electrocuted by metal after my hand implant was removed?

  • creepyone
  • · Replies 1 ·
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1

Graduate Resistance in a lasing crystal

  • Somefantastik
  • · Replies 2 ·
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2

High School Speed of light and air resistance

  • roxberry
  • · Replies 18 ·
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18

Undergrad Basic question on right hand slap rule and electric motor

  • sameeralord
  • · Replies 2 ·
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2

Undergrad Magnetic flux formula confusion

  • sameeralord
  • · Replies 3 ·
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3

Undergrad A conceptual question regarding self-inductance

  • musicianship
  • · Replies 6 ·
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6

Graduate Inhomogenous electrodynamics wave equation

  • Peeter
  • · Replies 3 ·
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3

High School What Does Voltage Seconds Represent?

  • minifhncc
  • · Replies 9 ·
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9

Undergrad What causes charge to only reside on the surface of a hollow metal sphere?

  • G.Chandra
  • · Replies 5 ·
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5

Undergrad Electromagnet Comparison: Does Wire Size Impact Lifting Power?

  • wmingin
  • · Replies 2 ·
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2

Undergrad Similarity beetwen magnetic and gravitational field

  • atc
  • · Replies 5 ·
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5

Undergrad Why is the induced current zero when a magnet is inside a stationary coil?

  • sameeralord
  • · Replies 12 ·
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12

Graduate Resistance of a sphere and cone

  • lee_chongeu
  • · Replies 4 ·
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4

Undergrad Is Electromagnetic Energy Being Weaponized Against Civilians?

  • ghadir-jafari
  • · Replies 3 ·
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3

Undergrad Force on charged particle to enter electric field perpendicularly

  • vishnukorde
  • · Replies 4 ·
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4

High School Are powdered neodymium magnets explosive?

  • kateman
  • · Replies 3 ·
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3

Undergrad Energy Stored in Capacitor with 2 Plates Connected

  • jablonsky27
  • · Replies 15 ·
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15

Graduate Resonant frequency and circumference of spheres

  • nuby
  • · Replies 11 ·
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11

Undergrad What Are the Key Features of an EM Field?

  • Phalid
  • · Replies 2 ·
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2

Graduate Where am I wrong? (Electrostatic Problem)

  • BiBByLin
  • · Replies 7 ·
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7

High School How to visualize an electyromagnetic (light) wave

  • Coronado
  • · Replies 4 ·
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4

Graduate Boundary conditions on magnetostatic

  • cubates
  • · Replies 1 ·
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1

Undergrad Magnetic Field and neutral points

  • prasannab13
  • · Replies 1 ·
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1

Graduate Can an Electron Gain All Three Electronvolts of Energy Through Bouncing?

  • pzlded
  • · Replies 14 ·
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14

Undergrad Electric field strength and potential gradient

  • zinc79
  • · Replies 7 ·
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7

Undergrad Combining high frequencies to get a large frequency

  • kmarinas86
  • · Replies 8 ·
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8

Undergrad Electric field inside a conductor

  • herich
  • · Replies 8 ·
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8

Graduate Centripetal force for an electron

  • tachyontensor
  • · Replies 5 ·
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5

Graduate Maxwell Equations: Deriving 1 Equation from 2

  • ghery
  • · Replies 1 ·
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1

Graduate Rotation of light utilizing a magnetic field

  • pinestone
  • · Replies 1 ·
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1

Graduate Nanotechnological Maxwell's demon?

  • Loren Booda
  • · Replies 1 ·
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1

Graduate Is energy relative in electrostatics?

  • aniketp
  • · Replies 5 ·
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5

Graduate Derivation of Maxwell equations.

  • arroy_0205
  • · Replies 1 ·
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1

Undergrad Does magnetic field do any work

  • AlbertEinstein
  • · Replies 44 ·
2
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44

How can I determine the IR frequency?

  • shlomo127
  • · Replies 6 ·
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6

Graduate Electric Displacement field? what is it?

  • iLIKEstuff
  • · Replies 5 ·
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5

High School Electric Eel: Why It Doesn't Shock Itself

  • GT1
  • · Replies 4 ·
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4

Undergrad Can an open circuit voltage field charge a capacitor?

  • pzlded
  • · Replies 34 ·
2
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34

Undergrad Projectile motion with wind resistance

  • yc90
  • · Replies 10 ·
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10

High School Is 12v DC from a battery same as 12v DC from a transformer?

  • c20h40
  • · Replies 23 ·
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23

Undergrad Are Electric and Magnetic Fields Essentially the Same?

  • Nick89
  • · Replies 10 ·
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10

Graduate Maxwell equations in higher dimensions

  • yiorgos
  • · Replies 3 ·
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3

Undergrad Why Do Accelerated Charged Particles Radiate?

  • sudabe
  • · Replies 1 ·
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1

Undergrad How to generate high freqnecy (electromagnetic)

  • atom888
  • · Replies 2 ·
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2

Undergrad What force acts against a magnet passing through a coil?

  • Zorodius
  • · Replies 10 ·
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10

Graduate EM waves - wave equation derivation

  • Nick89
  • · Replies 5 ·
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5

High School How does rubbing a magnet over iron, magnetise it?

  • sharp910sh
  • · Replies 2 ·
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2

Graduate Velocity of an electric or magnetic field

  • granpa
  • · Replies 26 ·
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26

High School How are Electromagnetic forces created?

  • understand.
  • · Replies 1 ·
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1

High School How Strong is a 5 Tesla Magnetic Field?

  • jearls74
  • · Replies 4 ·
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4

High School Different emf across the same resistance

  • truewt
  • · Replies 5 ·
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5

Graduate Potential and electron distribution in circuits and cells

  • rich tea
  • · Replies 2 ·
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2

Undergrad Question about Electromagnetic Wave Induction into Receiving Antennas

  • thentangler
  • · Replies 10 ·
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10

High School K: How can I convert voltage to Pounds?

  • shankaryr
  • · Replies 9 ·
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9

Graduate What happens if I rotate a current-carrying wire?

  • el_greco
  • · Replies 5 ·
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5

Graduate Understanding the Electric Field of a Plane Wave: A Complex Vector Approach

  • broli86
  • · Replies 2 ·
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2

Graduate Magnetic dipole in an external magnetic field

  • rndnrg
  • · Replies 3 ·
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3

Undergrad How to Relate Formulas for Calculating Force Between Charges

  • chemboy
  • · Replies 2 ·
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2

Graduate How Do Bound Charges and Magnetization Affect Insulators?

  • Niles
  • · Replies 2 ·
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2

Undergrad Voltage difference between two surfaces

  • wildcard369
  • · Replies 1 ·
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1

Undergrad Taking the vector E out of the Electric potential equation

  • casanova2528
  • · Replies 1 ·
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1

High School If the earth is one big magnet, why there is not current induced in our selfs?

  • Physicsissuef
  • · Replies 13 ·
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13

Undergrad Understanding the capacitor deeply

  • finenil
  • · Replies 3 ·
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3

Undergrad Electron Orbits: Why Do They Remain Stable Around the Atom's Core?

  • tc-
  • · Replies 17 ·
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17

Graduate Witnessing Electric Arc Furnace Melting Metal with Programming

  • polartownjunk
  • · Replies 1 ·
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1

Undergrad Force beteween two bar magnets

  • Benjamoo
  • · Replies 2 ·
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2

Undergrad Poynting Vector: "S Points Radially Inward" Explained

  • yannick^
  • · Replies 2 ·
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2

High School Is sound effected by air resistance?

  • Mad_Gouki
  • · Replies 12 ·
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12

Undergrad Magnetic poles flipping and the effect on animals

  • Tachyonie
  • · Replies 4 ·
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4