Electromagnetism Forum

Post thread

Threads

Undergrad Coulombs vs Amps: Understanding the Discrepancy in Charge Measurement

  • Romperstomper
  • · Replies 8 ·
Replies
8

Undergrad Conductor Charge/Electric Fields

  • Cyrus
  • · Replies 4 ·
Replies
4

Undergrad Need help for a prove about magnetic field and magnetic force

  • humanallien
  • · Replies 3 ·
Replies
3

Undergrad Voltage: What You Need to Know

  • Cyrus
  • · Replies 15 ·
Replies
15

High School Why does the potenial decrease in case of a capacitor

  • lakshmi
  • · Replies 4 ·
Replies
4

Undergrad Can the electric field at the surface of a conductor be determined exactly?

  • Cyrus
  • · Replies 4 ·
Replies
4

Graduate How Does a Conducting Loop's Size Affect EMF and Motion on an Inclined Plane?

  • rutika
  • · Replies 3 ·
Replies
3

Graduate Capacitor and energy conservation

  • spacetime
  • · Replies 2 ·
Replies
2

Undergrad Why does x1i =r1 -y1j in Lorentz electromagnetic force?

  • retupmoc
  • · Replies 3 ·
Replies
3

Graduate Experimental Determination of Fundamental EM Constants

  • Reality_Patrol
  • · Replies 7 ·
Replies
7

Undergrad What Are the Best Advanced E&M Textbooks for a Rigorous First Semester?

  • bifodus
  • · Replies 1 ·
Replies
1

Graduate What is the electric displacement field for one electron?

  • Damned charming :)
  • · Replies 1 ·
Replies
1

Graduate Potential energy of a charge system

  • agolkar
  • · Replies 4 ·
Replies
4

Graduate Does the location of an electron in a hydrogen atom depend on temperature?

  • Roy_06
  • · Replies 12 ·
Replies
12

Undergrad Gauss's Law and an irregular shape

  • Cyrus
  • · Replies 21 ·
Replies
21

Undergrad Question about Electric Potential

  • scissors
  • · Replies 2 ·
Replies
2

Graduate Physical interpretation of Reluctance

  • cosmonova
  • · Replies 1 ·
Replies
1

Graduate Field momentum inside a parallel plate capacitor

  • brian0918
  • · Replies 4 ·
Replies
4

Graduate Does the pilot's claim credible?

  • franz32
  • · Replies 4 ·
Replies
4

Undergrad Solving Plate Capacitor Problem with Voltage U

  • galipop
  • · Replies 1 ·
Replies
1

Graduate Can the B field be obtained from the magnetic potential using matrix inversion?

  • sinyud
  • · Replies 5 ·
Replies
5

Graduate Magnetic field in empty space?

  • brian0918
  • · Replies 12 ·
Replies
12

Graduate Electromagnetic Wave Conductivity: Project & Textbook Suggestions

  • serali
  • · Replies 6 ·
Replies
6

Undergrad I need every ones help about thompsons

  • pedram
  • · Replies 1 ·
Replies
1

Undergrad Help on Question: Find Force of 2 Charged Spheres in Electric Field

  • KaneOris
  • · Replies 4 ·
Replies
4

Graduate Vector field, and Lorentz Symmetry

  • Mk
  • · Replies 2 ·
Replies
2

Graduate Mag. component of positive charges

  • buddingscientist
  • · Replies 8 ·
Replies
8

High School What is Magnetic Breakaway Force?

  • dg_5021
  • · Replies 1 ·
Replies
1

High School Magnetic Breakaway Force: Definition & Explanation

  • buffgilville
  • · Replies 2 ·
Replies
2

Undergrad Derivation of the electric field from the potential

  • stargirl22
  • · Replies 2 ·
Replies
2

Graduate Charge in a Conductor: Effects of Metastability

  • Cyrus
  • · Replies 20 ·
Replies
20

Undergrad Earth's Magnetic Field: Peak Altitude & Value

  • drag
  • · Replies 7 ·
Replies
7

Graduate Unconstant permitivity between two charges

  • brandon.irwin
  • · Replies 4 ·
Replies
4

High School Do convection currents occur in every body of water and gas?

  • KaneOris
  • · Replies 1 ·
Replies
1

Graduate Does This Railgun Force Calculation Look Correct?

  • MaximumTaco
  • · Replies 1 ·
Replies
1

Graduate Theory of Magnetic Fields of Electrons and Protons

  • what_are_electrons
  • · Replies 49 ·
2
Replies
49

Undergrad A.C. Ciruit without current flowing

  • darkar
  • · Replies 2 ·
Replies
2

Graduate Analytical expression for electro-field around rectangle waveguide?

  • Cao Yu
  • · Replies 1 ·
Replies
1

Graduate Cauchy Integral Formula and Electrodynamics

  • sinyud
  • · Replies 2 ·
Replies
2

Undergrad Electrostatic Speakers: Understanding Theory and Model

  • daweng
  • · Replies 2 ·
Replies
2

Graduate What is the Magnetic Field Below an Infinite Plane of Uniform Surface Current?

  • redraider96
  • · Replies 1 ·
Replies
1

Graduate Electromotive force and Lorenz Force HELP

  • dilasluis
  • · Replies 1 ·
Replies
1

Undergrad How Does Charge Distribution Work on a Sphere According to Gauss' Law?

  • Cyrus
  • · Replies 22 ·
Replies
22

High School Parallel Circuits: Resistance Decrease/Current Increase Explained

  • bob4000
  • · Replies 5 ·
Replies
5

Graduate Solving [problem2.26]: A Conical Surface's Potential Difference

  • question2004
  • · Replies 2 ·
Replies
2

Undergrad Magnetic field of the solenoid can be represented by the voltage

  • cutesoqq
  • · Replies 1 ·
Replies
1

High School How Can I Solve This Circuit Problem?

  • ninaricci
  • · Replies 2 ·
Replies
2

High School What Are the Health Effects of Living Near Power Lines?

  • franz32
  • · Replies 7 ·
Replies
7

Graduate What is a Fermi Electron and How Does It Differ from Fermi Gas or Liquid?

  • kokichi
  • · Replies 4 ·
Replies
4

High School How Does Magnetic Potential Energy Affect Magnetism and Energy Transfer?

  • Chris
  • · Replies 5 ·
Replies
5

High School Discover the Fascinating Process of Voltaic Cell Functioning

  • chound
  • · Replies 1 ·
Replies
1

Graduate Electric field from a charged rod

  • MaximumTaco
  • · Replies 4 ·
Replies
4

Undergrad Capacitance of a plate capacitor increases

  • galipop
  • · Replies 1 ·
Replies
1

Graduate Calculating Charge Flown Through Wire Loop With Electro Magnetism

  • akashdgr8
  • · Replies 1 ·
Replies
1

High School Can Electromagnets Pull Out Car Dents?

  • fattestcat
  • · Replies 4 ·
Replies
4

Undergrad Resistance dependence on temperature for metals

  • furryelephant
  • · Replies 1 ·
Replies
1

Graduate Is the divergence of the Dirac-delta function truly zero at the origin?

  • brianparks
  • · Replies 4 ·
Replies
4

High School Understanding Coulomb's Law: What if One Object has No Charge?

  • Cyrus
  • · Replies 4 ·
Replies
4

Undergrad Can Inductance Create a Charge on a Neutral Object?

  • Cyrus
  • · Replies 1 ·
Replies
1

Undergrad Relationship between electric forces

  • malco97
  • · Replies 4 ·
Replies
4

Graduate Is Lorentz contraction objectively real?

  • Perfectly Innocent
  • · Replies 1 ·
Replies
1

Graduate A Q About Electron Diffraction

  • MA103
  • · Replies 3 ·
Replies
3

High School Help for solving for C and F please

  • RanCor
  • · Replies 3 ·
Replies
3

Undergrad How Does Coulomb's Law and Vectors Determine the Direction of Force?

  • bifodus
  • · Replies 4 ·
Replies
4

Graduate Maxwell related equations converted from MKSA units to Gaussian units

  • Ed Quanta
  • · Replies 2 ·
Replies
2

Undergrad Electricity rearranging problem

  • maccaman
  • · Replies 2 ·
Replies
2

Graduate What are the dimensions of e^2/(4*pi*epsilon_0) in terms of energy and distance?

  • eku_girl83
  • · Replies 4 ·
Replies
4

Undergrad Can Electric Fields Alone Levitate a Train?

  • hypnotik
  • · Replies 4 ·
Replies
4

High School Pelter Junction/Themoelectric device/Pelter Device Project

  • Mk
  • · Replies 2 ·
Replies
2

High School Find the total electric charge

  • helpme12345
  • · Replies 1 ·
Replies
1

Undergrad Motion of point charges in electronic fields

  • timtng
  • · Replies 1 ·
Replies
1

Graduate Coulomb's Force Law and the Fine Structure Constant - Variance?

  • what_are_electrons
  • · Replies 13 ·
Replies
13

Graduate Is electromagnetism's symmetry affected by the composition of particles?

  • kurious
  • · Replies 14 ·
Replies
14

Graduate De broglie and electron transitions

  • kurious
  • · Replies 5 ·
Replies
5

Undergrad Static Charge & Humidity: A Closer Look

  • cepheid
  • · Replies 5 ·
Replies
5

High School Ohm's Law: Voltage Across Ideal Wire = 0

  • cepheid
  • · Replies 5 ·
Replies
5

Graduate Newbie Problems on Electrodynamics

  • Wong
  • · Replies 1 ·
Replies
1

Is Anyone Fascinated by Faraday's Laws?

  • Dominguez Scaramanga
  • · Replies 1 ·
Replies
1

Undergrad Why do Parallel Currents Attract?

  • what_are_electrons
  • · Replies 65 ·
3
Replies
65

Undergrad Understanding Electric Potential and Kinetic Energy in Particle Movement

  • physicsuser
  • · Replies 2 ·
Replies
2

Undergrad Formula for force in magentic field

  • anam
  • · Replies 1 ·
Replies
1

Graduate Could Electromagnetic Propulsion Revolutionize Space Travel?

  • K.J.Healey
  • · Replies 6 ·
Replies
6

Undergrad What are some common thermoelectric materials and their properties?

  • zynko
  • · Replies 6 ·
Replies
6

Graduate Maxwell's Demon: An Energy Conversion Experiment

  • xyfu
  • · Replies 81 ·
3
Replies
81

Undergrad Can you help answer some questions about electrical resistance?

  • goc9000
  • · Replies 3 ·
Replies
3

Graduate Understanding Magnetic Dipoles: Forces and Equations Explained

  • pervect
  • · Replies 2 ·
Replies
2

Undergrad Meaning of Permittivity as used in EM

  • brianparks
  • · Replies 6 ·
Replies
6

Graduate What is the Physical Explanation Behind the Lit Bulb Under an Outside Conductor?

  • brianparks
  • · Replies 5 ·
Replies
5

Undergrad Magnetic Monopoles: Explained and Implications

  • woodysooner
  • · Replies 13 ·
Replies
13

High School Information on Resistance and Resistivity for a Class 12 CBSE Investigatory Project

  • fawaz
  • · Replies 3 ·
Replies
3

Graduate Negative mass,gravity and electricity

  • kurious
  • · Replies 19 ·
Replies
19

Graduate Ocean currents and fluid pressure

  • kurious
  • · Replies 8 ·
Replies
8

Graduate Zero Point: Solving for it and what it is.

  • IooqXpooI
  • · Replies 37 ·
2
Replies
37

High School Should positive and negative charge be termed opposites?

  • mee
  • · Replies 3 ·
Replies
3

Undergrad Understanding the Relationship Between Phi, OHM & Music

  • jordan
  • · Replies 3 ·
Replies
3

Undergrad Fallacy of Ampere's Law: Understanding Magnetic Fields Near Conducting Wires

  • Dr.Brain
  • · Replies 8 ·
Replies
8

Graduate Maxwells theory of electro-magnetic radiation:

  • McQueen
  • · Replies 35 ·
2
Replies
35

Graduate I'm questioning the validity of gravity and Coulomb's law?

  • dedaNoe
  • · Replies 29 ·
Replies
29

Undergrad Help creating circuit simulation software

  • chuckylefrek
  • · Replies 2 ·
Replies
2

Undergrad Stealing Electricity by induced EMF

  • khermans
  • · Replies 5 ·
Replies
5