Electromagnetism Forum

Post thread

Threads

Graduate Point charge moving in an electric field

  • em12
  • · Replies 2 ·
Replies
2

Graduate Can an acousto-magnetic system detect an article placed in an aluminum bag?

  • skazis
  • · Replies 2 ·
Replies
2

Graduate If we convert energy to mass, where does charge come from?

  • jnorman
  • · Replies 26 ·
Replies
26

Undergrad Relationship between Heat and Electron Volts in a reaction

  • NeilWallace
  • · Replies 1 ·
Replies
1

Undergrad How does the Earth's magnetic field direct charged particles towards the poles?

  • GaffneysWrath
  • · Replies 4 ·
Replies
4

High School Best way to route electromagnetic force.

  • SNIPE
  • · Replies 3 ·
Replies
3

Graduate (Self)Inductance of a straight current carrying wire

  • FoxBox
  • · Replies 10 ·
Replies
10

Undergrad Magnetic field in induction furnace

  • Peethol
  • · Replies 1 ·
Replies
1

Graduate Solving Magnetic Field Force: Observer I vs Observer II

  • physicsManiac
  • · Replies 2 ·
Replies
2

Undergrad Can Magnetic Fields Alter the Path of a Bullet?

  • Quantum1000
  • · Replies 12 ·
Replies
12

High School Light - electromagnetic frequency

  • symbiont
  • · Replies 4 ·
Replies
4

Graduate Magnetic field around a wire ?

  • cragar
  • · Replies 4 ·
Replies
4

Undergrad Help with electromagnet design

  • unityunity
  • · Replies 7 ·
Replies
7

High School How crystal + electricity works together

  • shifty23
  • · Replies 3 ·
Replies
3

Undergrad Equipotential lines for two charges

  • Googl
  • · Replies 3 ·
Replies
3

High School Velocity of Current With e.m.f & Amps

  • Googl
  • · Replies 1 ·
Replies
1

High School What happens if tungsten is used in domestic wiring?

  • bentickkk
  • · Replies 5 ·
Replies
5

Undergrad A charge accelerating between two plates

  • Googl
  • · Replies 2 ·
Replies
2

Graduate Confused about plane wave and skin effect in conductor wire.

  • yungman
  • · Replies 6 ·
Replies
6

Undergrad Electromagnetic waves question

  • selearemus
  • · Replies 6 ·
Replies
6

Undergrad Research i can view on magnetism

  • DeviousSquire
  • · Replies 2 ·
Replies
2

Undergrad Sources of Electric Field inside a conducting wire.

  • Papikoss
  • · Replies 2 ·
Replies
2

Graduate Question on wave equation of plane wave.

  • yungman
  • · Replies 3 ·
Replies
3

Graduate Question on energy in magnetic field.

  • yungman
  • · Replies 17 ·
Replies
17

Undergrad Magnetism: Can Magnets Power Devices?

  • Denken
  • · Replies 21 ·
Replies
21

Undergrad Repelling Non-Magnetized Metal

  • BigCheese
  • · Replies 4 ·
Replies
4

Graduate Electrodynamics of point particle at relativistic velocities

  • sanko
  • · Replies 3 ·
Replies
3

Undergrad How Can I Conduct a Solenoid Experiment Without Equipment?

  • Googl
  • · Replies 4 ·
Replies
4

Undergrad What is the required wattage to achieve a velocity of 300m/s with 1kg of mass?

  • BilPrestonEsq
  • · Replies 10 ·
Replies
10

Undergrad Origins of the Coulomb - Understanding How the Unit of Charge Came to Be

  • gammastate
  • · Replies 1 ·
Replies
1

Undergrad Fields at the ends of a parallel plates

  • Pranav Jha
  • · Replies 3 ·
Replies
3

High School Using magnets to generate electricity(?)

  • trexmatt
  • · Replies 9 ·
Replies
9

High School How Does Current Initially Flow in a Circuit with a Capacitor?

  • sunilmaurya
  • · Replies 3 ·
Replies
3

Graduate Plane wave solutions of Maxwell's equations

  • Heirot
  • · Replies 22 ·
Replies
22

Graduate Comparison of Mass-Energy: Electron Cloud vs. Nucleus in Ground State Atoms

  • dirtyd33
  • · Replies 2 ·
Replies
2

Graduate EMP effect on unwired electrical equipments

  • test2k8
  • · Replies 5 ·
Replies
5

Graduate Electric displacement field across dielectrics

  • Zorba
  • · Replies 13 ·
Replies
13

Graduate Understanding Ohm's Law and Charge Units in Electrodynamics

  • yungman
  • · Replies 2 ·
Replies
2

Name for Object/Device with Electric Light Between Two Rods

  • UserNameHere
  • · Replies 3 ·
Replies
3

Undergrad Electomagnetic wave frequency and photons

  • donaldson1967
  • · Replies 8 ·
Replies
8

Undergrad How Much Power Is Needed to Generate an EMP?

  • d5ive
  • · Replies 3 ·
Replies
3

Undergrad Question on magnetic levitation project.

  • jplecas
  • · Replies 3 ·
Replies
3

Graduate Constitutive Law (stress-strain relationship) of maxwell material

  • melda
  • · Replies 1 ·
Replies
1

Graduate Induced charge on a conductive shell, potential theory

  • Fernbauer
  • · Replies 2 ·
Replies
2

Undergrad Welcome to the Forum! Learn About Cavity Resonance Here.

  • mehdi87
  • · Replies 3 ·
Replies
3

No scientist has ever seen an electron

  • zorro
  • · Replies 10 ·
Replies
10

Undergrad Where Does Energy Go When Capacitors Are Charged?

  • Stanley514
  • · Replies 24 ·
Replies
24

High School Understanding AC Current: A Simplified Explanation for Non-Science Students

  • jackson6612
  • · Replies 6 ·
Replies
6

Graduate Physical meaning of Neumann boundary condition

  • gnurf
  • · Replies 2 ·
Replies
2

Graduate Non-uniform dielectric polarization

  • Stanley514
  • · Replies 2 ·
Replies
2

Graduate Amplitude Normalization of Electromagnetic Waves

  • asksage
  • · Replies 6 ·
Replies
6

Undergrad Electricity generator theory question

  • elitt222333
  • · Replies 3 ·
Replies
3

Graduate Does Core Material Influence the H-Field in a Toroidal Coil?

  • Papikoss
  • · Replies 3 ·
Replies
3

High School Help me to understand horizontal component.

  • solace28
  • · Replies 2 ·
Replies
2

Graduate What does it take for hydrogen to form from protons and electrons?

  • fizz_it
  • · Replies 2 ·
Replies
2

Undergrad How to induce current on a static conducting material?

  • Jay_zero
  • · Replies 3 ·
Replies
3

Graduate Question about Fields: B Field Propagation Speed?

  • cragar
  • · Replies 1 ·
Replies
1

Undergrad Electrical Attraction and Repulsion Related to Distance?

  • Nano-Passion
  • · Replies 7 ·
Replies
7

Undergrad 2 Iron Bars (one magnetized) Question

  • kkrizka
  • · Replies 10 ·
Replies
10

Undergrad Electrostatic field inside a conducting shell

  • asmani
  • · Replies 11 ·
Replies
11

Graduate Negative permeability of split ring resonators(SRR)

  • Sana5643
  • · Replies 3 ·
Replies
3

Could we blow up a planet with our current technology?

  • harp AP 2010
  • · Replies 16 ·
Replies
16

Graduate Will a current loop precess or align with a magnetic field?

  • nonequilibrium
  • · Replies 6 ·
Replies
6

Graduate What is the electrostatic field?

  • wuliwong
  • · Replies 12 ·
Replies
12

Graduate Circular Polarization in Electrical Engineering: Examining the Poincaré Sphere

  • ask_LXXXVI
  • · Replies 3 ·
Replies
3

Graduate Confining Charged Particles with Alternating Electrostatic Fields

  • Drakkith
  • · Replies 6 ·
Replies
6

Graduate What makes Jackson's Electrodynamics so difficult?

  • Simfish
  • · Replies 11 ·
Replies
11

Graduate Annihilating a proton or electron

  • Curl
  • · Replies 14 ·
Replies
14

Undergrad Electomagnetism/Generator Questions

  • BilPrestonEsq
  • · Replies 6 ·
Replies
6

Graduate Sorry for naive question: Does a single electron have an atto or femto-amperage?

  • ndvcx
  • · Replies 4 ·
Replies
4

Undergrad Charge Distribution on Conductor

  • chomebole
  • · Replies 9 ·
Replies
9

Graduate Help in TEM wave propagation for a solenoid or magnetic dipole.

  • yungman
  • · Replies 2 ·
Replies
2

High School What is actally a magnetic field

  • Soumen2010
  • · Replies 3 ·
Replies
3

High School Build a Cathode Ray Tube - Experiment & Reference Guide

  • edo1493
  • · Replies 11 ·
Replies
11

Undergrad Why do inductors store energy in mag. field?

  • cdotter
  • · Replies 1 ·
Replies
1

Graduate Polarazation by an external electric field

  • shoestring
  • · Replies 11 ·
Replies
11

Undergrad Current induced in a coil from inside

  • Northprairieman
  • · Replies 4 ·
Replies
4

Graduate Please confirm the direction of propagation for me.

  • yungman
  • · Replies 3 ·
Replies
3

Graduate Split ring resonator SRR of Metamaterial

  • Sana5643
  • · Replies 1 ·
Replies
1

Graduate Uniform radial electric field?

  • maurits
  • · Replies 4 ·
Replies
4

Graduate Frequency and String Tension (backwards)

  • inflector
  • · Replies 5 ·
Replies
5

Graduate The divergence of 1/r^2 fields

  • Aikon
  • · Replies 10 ·
Replies
10

Graduate Electric Field Paradox: Unraveling the Gravity vs. Repulsion Debate in Physics

  • kamil9876
  • · Replies 21 ·
Replies
21

Undergrad Why Does Inductive Kickback Voltage Vary in a Solenoid?

  • arul005
  • · Replies 3 ·
Replies
3

Undergrad Magnetic field of ferromagnetic material

  • unchained1978
  • · Replies 1 ·
Replies
1

High School Basic Physics of Sound (acoustical)

  • birds4life
  • · Replies 1 ·
Replies
1

Graduate What is the derivation of Maxwell's 4th equation for a static electric field?

  • Master J
  • · Replies 1 ·
Replies
1

Undergrad Calculus relationship between current, resistance, and voltage

  • partialfracti
  • · Replies 6 ·
Replies
6

Graduate Max. sound wave frequency (in solids)?

  • NBerg
  • · Replies 7 ·
Replies
7

High School Understanding Wattage, Amps & Volts for a 1000w Light With Ballast

  • Zula110100100
  • · Replies 1 ·
Replies
1

Undergrad Book for learning quantum and electronics

  • badri89
  • · Replies 1 ·
Replies
1

High School Conventional current vs current?

  • jamesfirst
  • · Replies 7 ·
Replies
7

Graduate Maxwell stress tensor coordinate system

  • elsevers
  • · Replies 1 ·
Replies
1

Graduate Propagation of electromagnetic waves in a lossy media

  • Julle
  • · Replies 9 ·
Replies
9

Graduate Orbital energy and Electronic Configurations

  • gemma786
  • · Replies 2 ·
Replies
2

High School Weak & Strong Magnet attract each other no matter what polarity

  • sachooo
  • · Replies 6 ·
Replies
6

High School Earth's Magnetic Field: Life, Solar Winds & Astronauts

  • dysond
  • · Replies 10 ·
Replies
10

Undergrad Definition of electrostatic potential difference

  • neelakash
  • · Replies 7 ·
Replies
7

High School Define Charge: Mass & Electrons

  • salman_upright
  • · Replies 15 ·
Replies
15

High School Does different loads produced different internal resistance ?

  • jak9
  • · Replies 3 ·
Replies
3