Electromagnetism Forum

Post thread

Threads

Graduate Does a Magnetic Field Cause Electrons to Pile Up in the Center of a Wire?

  • LucasGB
  • · Replies 5 ·
Replies
5

Graduate Relativity, Electric Currents and Magnetic Fields

  • LucasGB
  • · Replies 4 ·
Replies
4

High School What is the true definition of electric charge?

  • waqarrashid33
  • · Replies 7 ·
Replies
7

Graduate Quick question regarding bound currents.

  • vwishndaetr
  • · Replies 2 ·
Replies
2

Graduate Expression for the change in magnetic fux for a loop of varying area and B.

  • waqarrashid33
  • · Replies 1 ·
Replies
1

Graduate Magnetic moment of a loop formed by a revolving electron

  • blitz.km
  • · Replies 3 ·
Replies
3

Undergrad Derivation of energy stored in a capacitor

  • gutti
  • · Replies 4 ·
Replies
4

High School Electron Speed: Measured & Calculated?

  • acherentia
  • · Replies 7 ·
Replies
7

High School Helium consists of 2 protons, 2 neutrons, and 2 electrons

  • FeDeX_LaTeX
  • · Replies 5 ·
Replies
5

Undergrad Is the Quantum Vacuum the conducting medium for an electric field?

  • rogerharris
  • · Replies 26 ·
Replies
26

Undergrad The 3rd law of Newton with electrostatic fields

  • Mad_Eye
  • · Replies 10 ·
Replies
10

Graduate E&M if there were monopoles (Lagrangian?)

  • JustinLevy
  • · Replies 6 ·
Replies
6

Graduate Pondering an old quote from Maxwell

  • diagopod
  • · Replies 22 ·
Replies
22

Undergrad Ampere-Maxwell Law: Voltage Application Explained

  • ronaldoshaky
  • · Replies 2 ·
Replies
2

High School Why does EVERYONE claim voltage is electrical pressure?

  • leright
  • · Replies 87 ·
3
Replies
87

High School LDR Circuit Projects - Ideas for Science Fair

  • Cyph0n
  • · Replies 1 ·
Replies
1

Undergrad But what is the anti-particle of a; -Neutron -Electron?

  • FeDeX_LaTeX
  • · Replies 2 ·
Replies
2

Graduate Understanding Induced Electric Fields in a Uniform Magnetic Field

  • LucasGB
  • · Replies 22 ·
Replies
22

Undergrad How do I tell if the field is a possible electrostatic field?

  • theneedtoknow
  • · Replies 10 ·
Replies
10

High School Electric Shock Experiment: Effects on Hands in Water vs. Dry Hands

  • fawk3s
  • · Replies 1 ·
Replies
1

Graduate Why electron absorbs photon costs FINITE time?

  • luxiaolei
  • · Replies 2 ·
Replies
2

Undergrad Maxwellian velocity distribution

  • samreen
  • · Replies 6 ·
Replies
6

Undergrad Why do smaller particles travel faster in gel electrophoresis?

  • sameeralord
  • · Replies 1 ·
Replies
1

Can any1 give me a formula for sound energy to electrical energy

  • exilus29
  • · Replies 4 ·
Replies
4

Undergrad Electricity and Magnetism Book

  • Pupil
  • · Replies 5 ·
Replies
5

Undergrad What is the power dissipated in the 5 ohm resistor in this complex circuit?

  • daiviko
  • · Replies 2 ·
Replies
2

Undergrad Evaluating Electric Dipole Potential: qd cos \theta?

  • ronaldoshaky
  • · Replies 6 ·
Replies
6

Undergrad How Does Voltage Affect Decibel Levels?

  • exilus29
  • · Replies 1 ·
Replies
1

Undergrad Understanding Equipotential Lines and Electric Field Lines

  • lee9786
  • · Replies 3 ·
Replies
3

Undergrad Solving a Physics Problem: Electric Spark Distance Calculation

  • WilliamVeregg
  • · Replies 1 ·
Replies
1

Undergrad Magnetizing Force: Relationship to Steel Rod Size

  • samjesse
  • · Replies 6 ·
Replies
6

Graduate Derivation of Poisson's Equation and Laplace's Equation

  • MadMike1986
  • · Replies 2 ·
Replies
2

High School Derive Ohm's Law: Help for Intermediate Science Student

  • Gigacore
  • · Replies 16 ·
Replies
16

Undergrad Meaning of formula of electrostatic force

  • Ranku
  • · Replies 2 ·
Replies
2

High School Eddy Currents: Understanding Lenz's Law

  • elitewarr
  • · Replies 2 ·
Replies
2

Undergrad Electric field, Electric Potencial, Electric Force, Potential Electric Energy

  • Taturana
  • · Replies 1 ·
Replies
1

High School Voltage Across a Wire: Why is it Zero?

  • Kourtney0115
  • · Replies 6 ·
Replies
6

Undergrad Electron Splitting: What Happens When You Split It?

  • FeDeX_LaTeX
  • · Replies 3 ·
Replies
3

Graduate Electron Acceleration Techniques?

  • dewaite
  • · Replies 2 ·
Replies
2

Undergrad What Causes Sparks Between Charged Metal Plates in a Pendulum Experiment?

  • jsmith613
  • · Replies 2 ·
Replies
2

Graduate Fuse current of silicon nanowire

  • tresgog
  • · Replies 3 ·
Replies
3

Undergrad Curious Radio Frequency Blocked with Lead?

  • piriya
  • · Replies 6 ·
Replies
6

Graduate Magnetic fields and relativity

  • Jedimasta
  • · Replies 6 ·
Replies
6

Graduate Question about the Poynting vector

  • fishh
  • · Replies 9 ·
Replies
9

Undergrad Linear superposition principle applied to electric potential

  • AxiomOfChoice
  • · Replies 2 ·
Replies
2

Undergrad Stiffness vs. electric potential

  • jaejoon89
  • · Replies 2 ·
Replies
2

Undergrad Theory Question about Electric Potential Energy

  • zerobladex
  • · Replies 6 ·
Replies
6

Undergrad Why does OHMs law not work on AC circuits?

  • qlc
  • · Replies 2 ·
Replies
2

Undergrad Determining the magnetic field of a bar magnet experimentally?

  • Xyius
  • · Replies 6 ·
Replies
6

Graduate A wire loop into a magnetic field

  • ian2012
  • · Replies 1 ·
Replies
1

Graduate Does E=cB Hold for All EM Waves?

  • kof9595995
  • · Replies 5 ·
Replies
5

Graduate Electric Field of Point Charge: Arbitrary Motion

  • GRDixon
  • · Replies 1 ·
Replies
1

Undergrad Silver instead of copper wire in electric generators?

  • dm164
  • · Replies 4 ·
Replies
4

Graduate What do DC magnetic fields do to salt water.

  • rogerharris
  • · Replies 2 ·
Replies
2

Undergrad Is the Electric Field Always Conservative or Can it be Non-Conservative?

  • Identity
  • · Replies 3 ·
Replies
3

Graduate Distance between two point charges as a function of time.

  • Chubigans
  • · Replies 1 ·
Replies
1

Undergrad Are these circuits equivalent?

  • Apteronotus
  • · Replies 1 ·
Replies
1

Graduate Experimental evidence of Gauss's law in electrodynamics?

  • kof9595995
  • · Replies 2 ·
Replies
2

Undergrad There is a magnetic friction force in a dynamo?

  • DanteBR
  • · Replies 3 ·
Replies
3

Undergrad Electromagnetic Waves: How & Why They Store Info

  • physixlover
  • · Replies 4 ·
Replies
4

Undergrad 1 Volt and potential difference?

  • p.tryon
  • · Replies 1 ·
Replies
1

Undergrad Magnetic Field Lines: Explaining Iron Filings Behaviour

  • BJDJ2421
  • · Replies 3 ·
Replies
3

Undergrad How does electric current change electric potential?

  • Apteronotus
  • · Replies 3 ·
Replies
3

Graduate The apparent arbitrariness in Electromagnetism

  • LucasGB
  • · Replies 14 ·
Replies
14

Undergrad Calculating Magnetic Field of a Bar magnet

  • Xyius
  • · Replies 1 ·
Replies
1

Undergrad How is the magnetic field of a bar magnet measured and utilized?

  • Wannabeagenius
  • · Replies 2 ·
Replies
2

High School Solar Flux Equation for Solar Panels

  • Windseaker
  • · Replies 1 ·
Replies
1

Graduate Electron double-slit experiment transverse or longitudinal waves?

  • crx
  • · Replies 1 ·
Replies
1

Undergrad Electromagnetic Spectrum Wavelengths

  • Psycoris
  • · Replies 1 ·
Replies
1

Undergrad Is there a limit to frequency?

  • Starwatcher16
  • · Replies 32 ·
2
Replies
32

Undergrad Range of validity of Kirchhoff's rules

  • fluidistic
  • · Replies 15 ·
Replies
15

Graduate Odd Square Wave Behavior in Lab Experiment

  • Feldoh
  • · Replies 1 ·
Replies
1

High School ABout capacitor in photographic flash

  • DaTario
  • · Replies 11 ·
Replies
11

Graduate Conservative Field Clarification

  • Wannabeagenius
  • · Replies 6 ·
Replies
6

Graduate Proving Gauss's Law for Magnetism

  • LucasGB
  • · Replies 7 ·
Replies
7

Undergrad Nature of electromagnetic radiation.

  • PrincePhoenix
  • · Replies 9 ·
Replies
9

Graduate What Does the Radiowave Absorption Formula in the Ionosphere Mean?

  • kd001
  • · Replies 3 ·
Replies
3

Undergrad Quick question about Bernoulli principle and resistance?

  • sameeralord
  • · Replies 2 ·
Replies
2

Graduate Does Gauss' Law Fail in an Infinite 3D Universe?

  • solitonion
  • · Replies 13 ·
Replies
13

Undergrad Semiconductors mostly with respect to photovoltaic cells

  • dacruick
  • · Replies 1 ·
Replies
1

Undergrad Electricity: How Do Electrons Travel Through Wires?

  • lolol
  • · Replies 5 ·
Replies
5

High School What type of energy is transfered in a circuit?

  • p.tryon
  • · Replies 19 ·
Replies
19

Graduate Laplacian of electrostatic potensial

  • espen180
  • · Replies 4 ·
Replies
4

Undergrad Understanding Uniform Electric Fields: Why is Magnitude Always the Same?

  • Shahid0072
  • · Replies 3 ·
Replies
3

Undergrad Differences Between EM Waves & Pulses: Comprehensive Analysis

  • ZeroCool77
  • · Replies 4 ·
Replies
4

Undergrad Gravitational effect on magnetism

  • Nile3
  • · Replies 1 ·
Replies
1

Graduate Understanding Circulation and Directionality in Vector Fields

  • LucasGB
  • · Replies 12 ·
Replies
12

Undergrad Calculating Voltage Difference in a Cylindrical Shell

  • kimm
  • · Replies 7 ·
Replies
7

Graduate Testing my understanding of flux

  • Rasalhague
  • · Replies 22 ·
Replies
22

Undergrad What happens to the neutral sphere when grounded?

  • Jhouse1203
  • · Replies 1 ·
Replies
1

Graduate The Law of Biot and Savart again

  • wofsy
  • · Replies 3 ·
Replies
3

High School What is Magnetism? | Understanding Attraction & Difference from Gravity

  • Tregg Smith
  • · Replies 4 ·
Replies
4

High School Touching both terminals of a battery

  • BogMonkey
  • · Replies 6 ·
Replies
6

Graduate Divergence of mass current density

  • saunderson
  • · Replies 1 ·
Replies
1

Undergrad Calculation of magnetic field

  • keith03
  • · Replies 5 ·
Replies
5

Graduate E-Fields vs B-Fields in EM Wave Disturbances

  • diagopod
  • · Replies 12 ·
Replies
12

Undergrad Electric fields between point charges

  • schiasso
  • · Replies 1 ·
Replies
1

Undergrad Electric Flux Through Closed Surface: Problem Explained

  • LucasGB
  • · Replies 7 ·
Replies
7

Graduate Maxwell Equations: Physically Meaningful Derivation

  • nur
  • · Replies 6 ·
Replies
6

Undergrad Finding charge on conducting sphere

  • 123xx
  • · Replies 1 ·
Replies
1