Electromagnetism Forum

Post thread

Threads

Undergrad Microwaves- electric field? magnetron?

  • seashell3130
  • · Replies 16 ·
Replies
16

Undergrad Charge accelerates at bends of the wire?

  • gmish27
  • · Replies 2 ·
Replies
2

Undergrad Is There an Ideal Height to Diameter Ratio for Neo Magnets?

  • kenheg1@gmail
  • · Replies 1 ·
Replies
1

High School When a man get a shock(current) why he is cought then thrown away?

  • waqarrashid33
  • · Replies 4 ·
Replies
4

Graduate Spherical electric field of electron.

  • skybobster
  • · Replies 2 ·
Replies
2

Undergrad Vacuum in hydro electric power plants

  • antekatavic
  • · Replies 5 ·
Replies
5

Undergrad Friends,A doubt in piezoelectricity. I heard that when pressure is

  • Raama
  • · Replies 10 ·
Replies
10

Undergrad Which way is the electromagnetic field moving?

  • david1443
  • · Replies 1 ·
Replies
1

Graduate Conductor in a Static B Field: Impact on Electron Orbitals and Induction"

  • cragar
  • · Replies 1 ·
Replies
1

Undergrad Equipotential Lines vs Lines of Force: What's the Relationship?

  • poohbearhug
  • · Replies 5 ·
Replies
5

Graduate Confused about Power Spectral Density (and relation with rms noise voltage)

  • nonequilibrium
  • · Replies 3 ·
Replies
3

Undergrad Gravitational Flux: Does Gauss Law Apply?

  • Garvit Goel
  • · Replies 1 ·
Replies
1

Graduate Magnetic dipole moment of a ferromagnetic cylinder

  • amicus_tobias
  • · Replies 4 ·
Replies
4

Graduate Understanding Maxwell's Equations: Translating and Simplifying with Visual Aids

  • jumpjack
  • · Replies 6 ·
Replies
6

Undergrad How does a coaxial transmission line work?

  • cragar
  • · Replies 2 ·
Replies
2

Undergrad Inducing a current through moving charges or electromagnetic radiation

  • mavc
  • · Replies 15 ·
Replies
15

Graduate Can there be a material with relative permittivity < 1?

  • x_engineer
  • · Replies 1 ·
Replies
1

Undergrad Magnetism: Poles of Irregular Shapes (Tetrahedron)

  • Lost in Space
  • · Replies 6 ·
Replies
6

High School Efficiency of electric generator in the vacuum of space?

  • snickers1
  • · Replies 1 ·
Replies
1

Graduate Help in explaining what the book said in fields of a moving point charge.

  • yungman
  • · Replies 2 ·
Replies
2

Graduate Solving Maxwell Equations for the Electric Field: Is it Possible? - A Discussion

  • Gavroy
  • · Replies 8 ·
Replies
8

High School Question about electromagnetism

  • tranceyou
  • · Replies 1 ·
Replies
1

Graduate Calcium current to amount of substance units (mol)

  • gjfelix2001
  • · Replies 1 ·
Replies
1

Graduate Accelerating Charges & Light: Massless Particles

  • cragar
  • · Replies 3 ·
Replies
3

High School Why does moving electron produce magnetic field?

  • yyouth24
  • · Replies 23 ·
Replies
23

Graduate What does Poynting Theorem reveal about electrodynamic losses?

  • yungman
  • · Replies 3 ·
Replies
3

Undergrad Why is Voltage More Useful Than Electrical Potential Energy?

  • GRB 080319B
  • · Replies 7 ·
Replies
7

Undergrad Magnetic Field Strength & Maximum Weight Liftability

  • Hooligan383
  • · Replies 12 ·
Replies
12

Undergrad Kinetic friction, air resistance, and effect of velocity

  • wvguy8258
  • · Replies 8 ·
Replies
8

Graduate The Hall Effect vs. The Lorentz Force

  • uby
  • · Replies 10 ·
Replies
10

Undergrad Gain of an NPN Transistor: Understanding Ic/Ib

  • Science Proff
  • · Replies 1 ·
Replies
1

High School What does a capacitor actually do? Does it store electrical energy or

  • Science Proff
  • · Replies 2 ·
Replies
2

Undergrad Stethoscope Acoustics: Explaining Low/High Frequency Filtering

  • pkubin
  • · Replies 3 ·
Replies
3

Undergrad What Causes the Change in Direction of Induced Current in Magnetic Fields?

  • jkena04
  • · Replies 4 ·
Replies
4

Undergrad Drawing electric charge from the earth

  • kunalkb20
  • · Replies 17 ·
Replies
17

High School What are the SI units for measuring magnetic fields?

  • Bashyboy
  • · Replies 7 ·
Replies
7

Undergrad Use of solving complex DC circuits with Kirchhoff's laws

  • damosuz
  • · Replies 3 ·
Replies
3

Undergrad The SI Unit Henry: Magnetic Induction & Voltage

  • Bashyboy
  • · Replies 1 ·
Replies
1

Undergrad Can magnetism exist independently of current or charge?

  • MannyP2011
  • · Replies 60 ·
3
Replies
60

Undergrad Accleration and Magnetic fields?

  • Eelbot
  • · Replies 1 ·
Replies
1

Graduate [help] about electron-ion collision

  • ada_ada_2002
  • · Replies 6 ·
Replies
6

High School Problems understanding voltage

  • pconstantino
  • · Replies 6 ·
Replies
6

High School How does a salt water capacitor work?

  • demhaha
  • · Replies 8 ·
Replies
8

Graduate Often a terminology is used in Electrodynamics

  • saravanan13
  • · Replies 2 ·
Replies
2

Graduate How Does Stochastic Electrodynamics Influence Physical Measurements?

  • ziyuang
  • · Replies 3 ·
Replies
3

Graduate Expanding the Range of an Electrometer?

  • Blaze_409
  • · Replies 11 ·
Replies
11

Graduate Divergence of current densities

  • saravanan13
  • · Replies 1 ·
Replies
1

Graduate Movie of an Electron - Questions Answered

  • Drakkith
  • · Replies 2 ·
Replies
2

Undergrad Minimum radius to avoid voltage breakdown?

  • rwiebe89
  • · Replies 3 ·
Replies
3

Undergrad I am pretty much curious to know what actually an electron is? How it

  • scimad
  • · Replies 8 ·
Replies
8

Undergrad Why does a lead acid battery spark when connecting to opposite terminals

  • Edible Planet
  • · Replies 3 ·
Replies
3

Undergrad Passing current through a magnet

  • Pranav Jha
  • · Replies 7 ·
Replies
7

High School Electric field inside conductor?

  • wangdang
  • · Replies 12 ·
Replies
12

Undergrad How does symmetry affect the shell theorem?

  • Bipolarity
  • · Replies 1 ·
Replies
1

Graduate Polarisation in dielectrics, anyone?

  • tessellations
  • · Replies 2 ·
Replies
2

Undergrad LC Oscillations seem impossible to me

  • IronHamster
  • · Replies 6 ·
Replies
6

Graduate Calculating Flux Change in Faraday's Law for Scientists and Engineers

  • congraduation
  • · Replies 21 ·
Replies
21

Undergrad Conceptual Problem about Capacitance

  • sj005
  • · Replies 7 ·
Replies
7

Undergrad Magnetic Induction: Investigating Unmagnetized Pipe

  • Areena
  • · Replies 6 ·
Replies
6

Graduate Calculating Field Strengths of EM & Gravitational Fields

  • Schreiberdk
  • · Replies 3 ·
Replies
3

Undergrad Dropping a Cow Magnet Down a Metal Tube

  • fester225
  • · Replies 1 ·
Replies
1

Graduate Having exam tomorrow. Magnetic field between capacitors?

  • ippo90
  • · Replies 1 ·
Replies
1

High School Can You Charge a Polarized Capacitor with a Van de Graaff Generator?

  • demhaha
  • · Replies 2 ·
Replies
2

Graduate Dielectrics, Varying Reflectivity, and Polarization

  • peter.ell
  • · Replies 2 ·
Replies
2

Graduate How can I create a 1Telsa uniform magnetic field?

  • robert135
  • · Replies 7 ·
Replies
7

High School What is the potential difference across the resistor in this circuit?

  • Shark 774
  • · Replies 10 ·
Replies
10

High School Shielding from electric/magnetic field using a metal box

  • manivas
  • · Replies 6 ·
Replies
6

High School Gravitation and magnetic field?

  • ugur0072
  • · Replies 9 ·
Replies
9

Undergrad Contradiction between ΔV in circuits' wires and Kirchoff's voltage law ?

  • ezadam
  • · Replies 11 ·
Replies
11

High School Can kirchoff's laws be used to analyze simple parallel/series

  • poohbearhug
  • · Replies 2 ·
Replies
2

Undergrad How to determine force using a measured current

  • Hendrick
  • · Replies 2 ·
Replies
2

Graduate Is cross-sectional area of a coil related to it magnetic field strength

  • guillefix
  • · Replies 1 ·
Replies
1

Undergrad Question about magnetic fields (electromagnet)

  • mburt
  • · Replies 3 ·
Replies
3

Undergrad Is there any way possible a magnetic field can cancel out an electric field?

  • darknight08
  • · Replies 6 ·
Replies
6

Undergrad Unraveling the Mystery: The Quest to Understand Magnetic Monopoles

  • NEILS BOHR
  • · Replies 3 ·
Replies
3

Graduate Can Magnetic Fields Create a Lightning Gun by Steering Electric Currents in Air?

  • Luminaether
  • · Replies 2 ·
Replies
2

Graduate B and H field for a long rod and a disk

  • runnerwei
  • · Replies 6 ·
Replies
6

Undergrad Pull force of magnet calculated at an angle

  • Mozez
  • · Replies 3 ·
Replies
3

Graduate Maxwell Equation: Magneto Static Limit & Direction of H, B & M

  • saravanan13
  • · Replies 1 ·
Replies
1

Undergrad Discover the Force of Levitation with Magnets: Levitron Physics Explained

  • soccer1187
  • · Replies 4 ·
Replies
4

Undergrad Coulumbs, Joules and their relation in electronics

  • Tryp
  • · Replies 4 ·
Replies
4

Undergrad Electromagnetic Induction: Solenoid & Magnet

  • Kyoma
  • · Replies 3 ·
Replies
3

Graduate Non physical solutions of Maxwell’s equations

  • andonrangelov
  • · Replies 1 ·
Replies
1

Undergrad What is the origin of electrical potential energy in a charged particle's field?

  • AlexPick
  • · Replies 9 ·
Replies
9

Undergrad Hey there,I've been learning about AC circuits recently and while

  • EEWannabe
  • · Replies 6 ·
Replies
6

Graduate Can Wind-Powered Auto Alternators Safely Generate Home Electricity?

  • sleeper365
  • · Replies 2 ·
Replies
2

High School Calculating Capacitance of a Capacitor

  • skaterbasist
  • · Replies 5 ·
Replies
5

Undergrad Conversion of Electric Energy in Resistors

  • Virogen
  • · Replies 14 ·
Replies
14

Undergrad How is overall charge neutrality conserved in beta decay?

  • Andy Resnick
  • · Replies 5 ·
Replies
5

Undergrad Charge at the center of a conducting sphere

  • Idoubt
  • · Replies 8 ·
Replies
8

High School Thick or Thin Wire for Coil Gun: Physics Project

  • maximade
  • · Replies 1 ·
Replies
1

Graduate Magnetic Field Outside of Finite Solenoid Greater for Air-Core or Ferrite-Core?

  • ¡MR.AWESOME!
  • · Replies 6 ·
Replies
6

Graduate Few question in retarded fields E and B

  • yungman
  • · Replies 1 ·
Replies
1

Undergrad A few questions on electricity and magnetism and EM fields

  • The Cat
  • · Replies 7 ·
Replies
7

Graduate Plane Waves and the Poynting Vector

  • ninevolt
  • · Replies 5 ·
Replies
5

Graduate Classical Lorentz harmonic oscillator model of photo-phonon inteaction

  • hjaohuang
  • · Replies 1 ·
Replies
1

Graduate Magnetism & Inertia: Can Objects Orbit Each Other?

  • litewk
  • · Replies 6 ·
Replies
6

Graduate How Does Retarded Time Change Between Static and Moving Charge Distributions?

  • yungman
  • · Replies 1 ·
Replies
1

High School What is the purpose of resistors in electrical circuits?

  • Larrytsai
  • · Replies 4 ·
Replies
4

High School Capacitors & 1/RC: Dangerous Charge Retained?

  • SUDOnym
  • · Replies 4 ·
Replies
4