Electromagnetism Forum

Threads

High School Can EM Waves Transmit Information Through Matter Without Harm?

  • Ratzinger
  • · Replies 8 ·
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8

High School Measuring magnetic field of a solenoid

  • Majid
  • · Replies 5 ·
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5

High School Magnetic Shielding: Preventing Interference of Magnets

  • copyman
  • · Replies 1 ·
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Graduate Fraction of gas molecules with kinetic energy above mean

  • arccosinus
  • · Replies 1 ·
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1

Undergrad One E field eq in/outside sphere of charge?

  • cefarix
  • · Replies 4 ·
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4

Undergrad Threshold Frequency: PE effect

  • Spastik_Relativity
  • · Replies 5 ·
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5

Undergrad Charge distribution on parallel plates

  • arun_mid
  • · Replies 19 ·
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19

Undergrad Calculating Magnetic field of permanent magnet

  • Hobnob
  • · Replies 1 ·
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1

Graduate Charge inside a metallic sphere

  • heman
  • · Replies 3 ·
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3

Graduate Sinusoidal electric field and a sphere

  • Ido
  • · Replies 2 ·
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2

Graduate How do EM and Gravitaional Fields Propagate?

  • manugarg
  • · Replies 15 ·
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15

Undergrad Why is stainless steel non-magnetic?

  • PeteGt
  • · Replies 2 ·
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2

High School Why Do Electrons and Protons Attract?

  • Mozart
  • · Replies 11 ·
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11

Undergrad Is Force the flux of pressure ?

  • DaTario
  • · Replies 6 ·
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6

Undergrad Coulomb's epsilon zero and its name

  • DaTario
  • · Replies 4 ·
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4

High School Is Hematite Strong Enough to Damage Electronic Devices?

  • quasar987
  • · Replies 1 ·
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1

Graduate Application of EM backward wave

  • alexyan
  • · Replies 18 ·
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18

Undergrad Electric Circuit Questions Answered

  • Craig113
  • · Replies 6 ·
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6

Undergrad Electromagnetic mass acceleration

  • oldunion
  • · Replies 5 ·
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5

High School What metals make the best cores for an Electro Magnet?

  • Tido611
  • · Replies 5 ·
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5

High School Power = current * voltage sometimes?

  • Pengwuino
  • · Replies 10 ·
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10

Undergrad Compton Effect: Electromagnetic Interaction with Electrons

  • blackmatters
  • · Replies 1 ·
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1

Undergrad Electric Current: Explained with Fields

  • arun_mid
  • · Replies 26 ·
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26

Undergrad The Loop Rule: A Consequence of Conservation of Energy

  • hidayah
  • · Replies 33 ·
2
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33

Undergrad Magnetisation Curve and Hystersis Loop

  • drcrabs
  • · Replies 1 ·
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1
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5

Graduate Cavity in Sphere: What Happens with a Third Charge?

  • heman
  • · Replies 1 ·
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1

Graduate Conservation of Charge: Explaining the Point Rule

  • hidayah
  • · Replies 16 ·
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16

Undergrad Q&A Game For Fun: Uncharged Metal Sheets in Vacuum

  • H_man
  • · Replies 4 ·
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4

Undergrad Air Resistance & Wind Resistance Equations

  • bomba923
  • · Replies 6 ·
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6

Graduate Is the electric field in matter affected by polarization?

  • rayveldkamp
  • · Replies 5 ·
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5

Graduate Branch Points and Independent Current

  • hidayah
  • · Replies 1 ·
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1

Graduate Effects of Water on Magnetic Field Outside a Finite Solenoid?

  • bjornmag
  • · Replies 5 ·
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5

Undergrad Electric Field Inside Conductor: Showing Zero is Only Value Possible

  • HungryChemist
  • · Replies 20 ·
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20

High School Electricity Basics: What is Charge?

  • Pengwuino
  • · Replies 13 ·
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13

High School What is the speed of electricity?

  • nitinshetty
  • · Replies 27 ·
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27

Graduate Negative Resistance: Is It Real or Just Fringe?

  • Nereid
  • · Replies 4 ·
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4

Graduate Problem on divergence and curl

  • heman
  • · Replies 57 ·
2
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57

High School How Can You Measure Magnetic Fields in a Solenoid with Junior Students?

  • hector2010
  • · Replies 1 ·
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1

Making an EMP: What You Need to Know

  • Arsonade
  • · Replies 2 ·
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2

Graduate Complete EM Field of Gaussian Beam: References & Pointers

  • pervect
  • · Replies 5 ·
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5

Undergrad Do Magnetic Field Lines Really Exist as Discrete Entities in Physics?

  • temujin
  • · Replies 1 ·
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1

Graduate High rez electromagnetic field mapping

  • veld
  • · Replies 4 ·
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4

Graduate What is the relationship between Feynman diagrams and the mass of an electron?

  • quasar987
  • · Replies 7 ·
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7

Undergrad RADAR - Radio Detection and RangingCan we use the same technique on

  • hershal
  • · Replies 4 ·
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4

Graduate Inductive reasoning in small space-time scale

  • DaTario
  • · Replies 2 ·
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2

Undergrad Two sides of a same coin. But how?

  • sstp
  • · Replies 5 ·
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5

Undergrad Name for 1/(4πε₀)? What is the Meaning?

  • brian0918
  • · Replies 4 ·
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4

Graduate How Does the Electric Field Behave with Moving Charges?

  • Dr.Brain
  • · Replies 2 ·
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2

High School What is the purpose of resistance in a circut?

  • Aladin
  • · Replies 19 ·
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19

Undergrad Why in a small unit of area for a surface S in an electric field

  • misogynisticfeminist
  • · Replies 4 ·
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4

Undergrad What is the behavior of electric field propagation in closed and open circuits?

  • Emanresu
  • · Replies 7 ·
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7

Graduate Maxwell's equations expressed in quaternions

  • Runaway Monocle
  • · Replies 2 ·
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2

High School Electric field is zero inside a conductor?

  • Ebn_Alnafees
  • · Replies 7 ·
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7

Undergrad Magnetising a hard magnetic material

  • Kenny Low
  • · Replies 2 ·
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2

High School How Can You Extend Your Physics Investigation on Magnetism?

  • gorillawarfare
  • · Replies 1 ·
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1

Undergrad Radio Wave Spectrum: Is There a Contiguous Spectrum?

  • curvedlogic
  • · Replies 5 ·
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5

Undergrad Magnetomotive Force: Causes, Effects & Wire Bending

  • Rasine
  • · Replies 1 ·
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1

Undergrad Methods for calculating the field

  • psuchetic_edition
  • · Replies 4 ·
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4

High School Lingering Electrical Smells: What Gives?

  • pete worthington
  • · Replies 2 ·
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2

Graduate Electromagnetic Field, H vs. B

  • temujin
  • · Replies 6 ·
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6

Graduate Reading Smythe's book on static and dynamic electricity

  • Nakis
  • · Replies 4 ·
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4

Graduate Was electron scattering observed before it was exlained?

  • box
  • · Replies 2 ·
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2

Undergrad Using Magnetic Energy: Free Rotation for Life

  • Microburst
  • · Replies 17 ·
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17

Graduate Magnet is (kind-of) incredible

  • SAZAR
  • · Replies 17 ·
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17

High School How Do Equipotential Lines Relate to Electric Fields and Forces?

  • hotstuff
  • · Replies 2 ·
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2

Undergrad How Do You Calculate the Attractive Force of an Electromagnet?

  • kosoniscs
  • · Replies 1 ·
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1

Graduate Is the Minkowski Space-Time Metric a Flawed Foundation for Electromagnetism?

  • UglyDuckling
  • · Replies 11 ·
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11

Undergrad Electromagnetic radiation is the acceleration or deceleration

  • Ratzinger
  • · Replies 8 ·
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8

Undergrad Questions on Van de Graaff Generator

  • sniffer
  • · Replies 1 ·
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1

High School Building a radio transmitter to interfere with a station

  • Akihiro
  • · Replies 7 ·
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7

High School Electrodynamics: Understanding Bound Charges

  • heman
  • · Replies 10 ·
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10

Undergrad Dielectric in an electrostatic field

  • Nakis
  • · Replies 1 ·
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1

Graduate Fermi energy contribute to the field in the inductor

  • silicool
  • · Replies 3 ·
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3

High School Unique Frequency: Is Everyone's Voice Unique?

  • Lisa!
  • · Replies 8 ·
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8

Undergrad Mysteries of a simple spiral (coil).

  • Michael Dmitriyev
  • · Replies 13 ·
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13

High School Why does EMP 'deactivate' electronic devices?

  • Bladibla
  • · Replies 1 ·
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1

High School What is the meaning of voltage and how is it related to energy and current?

  • Eemsee2
  • · Replies 9 ·
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9

High School Speed of Electrical Current - How Long Does it Take?

  • primal schemer
  • · Replies 18 ·
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18

Undergrad Glass mixed with iron fibres could a magnetic field effect it?

  • Baggio
  • · Replies 4 ·
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4

Graduate Magnetic Dipole Moment does not include the permeability of free space?

  • H_man
  • · Replies 6 ·
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6

Graduate What Are the Effects of EM on Matter?

  • jq
  • · Replies 3 ·
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3

Undergrad Do Materials and Resistance Affect Temperature and Electrical Flow Equally?

  • TSN79
  • · Replies 5 ·
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5

Graduate Distance between electrons in electron beam?

  • rob5
  • · Replies 4 ·
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4

Graduate Why Does a Photon Have E and B Fields Without Charge or Mass?

  • tdunc
  • · Replies 9 ·
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9

Graduate Axial rotation of a magnetic field detection

  • steve stillman
  • · Replies 6 ·
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6

Graduate How Does the Divergence of Magnetic Field Relate to Magnetizing Fields?

  • hotel
  • · Replies 3 ·
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3

Undergrad Project Home 2010 researching magnetism

  • JohnObik
  • · Replies 1 ·
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1

Graduate Potential/voltage, and charging up one side of a capacitor

  • Omegatron
  • · Replies 18 ·
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18

Graduate Derives the following Lorentz Transformation

  • Haftred
  • · Replies 2 ·
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2

Graduate What is the Best Evidence for Quarks in Protons?

  • Adrian Baker
  • · Replies 17 ·
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17

Undergrad Connecting Cells in Parallel: Effects of Series Resistor

  • IntuitioN
  • · Replies 4 ·
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4

High School Five Hand Rule: Identifying Wire Direction

  • valerie001
  • · Replies 14 ·
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14

High School How does battery chargers work?

  • rsnd
  • · Replies 6 ·
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6

Undergrad What makes a transformer efficient?

  • infamous_Q
  • · Replies 3 ·
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3

Undergrad How Does Electromagnetic Radiation Travel and Induce Current?

  • mister_okay
  • · Replies 5 ·
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5

Graduate Shape of electromagnetic field around a straight wire carrying a current.

  • McQueen
  • · Replies 2 ·
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2

Undergrad Calibrating Hall Probe: Measuring Magnetic Field Strength (B)

  • msy8014
  • · Replies 2 ·
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2

Undergrad Crash Course in E&M: Help Needed for Exam Tomorrow

  • Gale
  • · Replies 11 ·
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11