Electromagnetism Forum

Post thread

Threads

Graduate Electrostatic FieldSchey's Notation

  • Saladsamurai
  • · Replies 1 ·
Replies
1

High School Understanding Left/Right Hand Rule and Finding North/South in Currents

  • Soph
  • · Replies 5 ·
Replies
5

High School Why Do Electrons Move on Electrical Conductors? - Gr 9

  • kyzill
  • · Replies 2 ·
Replies
2

Undergrad Coordinate systems for electric fields.

  • Skullmonkee
  • · Replies 2 ·
Replies
2

High School What makes a magnet, a magnet?

  • Fuz
  • · Replies 7 ·
Replies
7

Graduate How Does Proximity of the Path Affect Ampere's Law Calculations in Solenoids?

  • Yuqing
  • · Replies 6 ·
Replies
6

Graduate How do we know all electrons are the same?

  • omayer
  • · Replies 10 ·
Replies
10

Undergrad How does a receiving antenna separate desired electromagnetic waves?

  • mak_phy
  • · Replies 5 ·
Replies
5

High School Why we dont use Magnet Motors?

  • magnet
  • · Replies 9 ·
Replies
9

Graduate Electron spin and magnetic permeability

  • wospin
  • · Replies 2 ·
Replies
2

Undergrad Time-varying current in a long straight wire

  • AxiomOfChoice
  • · Replies 5 ·
Replies
5

High School Coulombs Law Help: Variables Explained

  • kyzill
  • · Replies 6 ·
Replies
6

Undergrad How does Lord Kelvin's water drop electrostatic generator work?

  • brainpushups
  • · Replies 1 ·
Replies
1

Undergrad How can I calculate the magnetic moment of a solenoid with specific parameters?

  • Jake110
  • · Replies 3 ·
Replies
3

Undergrad Do EMP Effects on Electronics Match Reality or Fiction?

  • Artlav
  • · Replies 5 ·
Replies
5

Graduate Calculating actual x-ray flux measurement

  • fuzzychaos
  • · Replies 16 ·
Replies
16

Graduate Solving Classical EM Gauges: Lagrangian, Lorenz, Coulomb

  • JustinLevy
  • · Replies 9 ·
Replies
9

Undergrad What Are the Units of Electric Flux?

  • wfunction
  • · Replies 6 ·
Replies
6

Graduate Design 1T Solenoidal Electromagnet w/ Core Permeability>1000

  • likephysics
  • · Replies 8 ·
Replies
8

Undergrad Magnetic field of a solenoid help

  • mervk_16
  • · Replies 17 ·
Replies
17

Undergrad Electric field between 2 plates

  • staetualex
  • · Replies 5 ·
Replies
5

Undergrad Optics: refractive index and dielectric constant

  • ivas
  • · Replies 4 ·
Replies
4

Graduate Photoelectric Emission: Kinetic Energy, Velocity, Frequency Explained

  • kihr
  • · Replies 6 ·
Replies
6

High School DC doesn't cause electromagnetism?

  • PrincePhoenix
  • · Replies 11 ·
Replies
11

High School What is negative electric potential energy?

  • matt85
  • · Replies 8 ·
Replies
8

Graduate A particle moving in an electromagnetic field

  • Barbara.Ba
  • · Replies 2 ·
Replies
2

Undergrad Total Energy calculation of permanent magnet

  • Shantaram
  • · Replies 4 ·
Replies
4

Undergrad Are E and H Fields Perpendicular to the Direction of Propagation?

  • !kx!
  • · Replies 23 ·
Replies
23

Graduate What is the Theory Behind the One Electron Concept?

  • zforgetaboutit
  • · Replies 29 ·
Replies
29

Undergrad Photoelectric Effect - Reflected or Absorbed?

  • wavingerwin
  • · Replies 1 ·
Replies
1

High School Electric Current basic definition doubt. PLEASE HELP.

  • deepankvora
  • · Replies 20 ·
Replies
20

Graduate Electromagnetic Induction vs. Electromagnetic Radiation

  • KhalDirth
  • · Replies 17 ·
Replies
17

Graduate Calculating Electric Dipole Moment of Point Charges Along Z-Axis

  • joschua
  • · Replies 2 ·
Replies
2

High School Can Magnets and Motors Work Together?

  • T.O.E Dream
  • · Replies 2 ·
Replies
2

Undergrad RLC Circuit qualitative explanation some1 ?

  • sudar_dhoni
  • · Replies 15 ·
Replies
15

Undergrad Object w/ Constant Speed Doesn't Lose KE Faced w/ Resistance

  • sameeralord
  • · Replies 3 ·
Replies
3

Graduate Confused about charged rotating disk-Magnetism, reference frame

  • fluidistic
  • · Replies 14 ·
Replies
14

Graduate Electron oscillating in vacuum

  • qwertyuiop23
  • · Replies 1 ·
Replies
1

Graduate Learning Air Resistance: Questions & Answers

  • Storm Butler
  • · Replies 2 ·
Replies
2

High School How can I collect power from a magnetic field?

  • Atlantian
  • · Replies 2 ·
Replies
2

Undergrad Difference between rolling resistance and tractive force

  • R Power
  • · Replies 38 ·
2
Replies
38

Undergrad Ampere's Law (enclosed current?)

  • Redd
  • · Replies 5 ·
Replies
5

Undergrad Tidal Float Generates Electricity: Is it Practical?

  • rrogers562
  • · Replies 7 ·
Replies
7

Undergrad Size Electron: Energy Increase, Size Unchanged?

  • Pjpic
  • · Replies 1 ·
Replies
1

Undergrad Mass + time + acceleration => watts

  • andpe
  • · Replies 3 ·
Replies
3

Graduate THREE MAGNETS (N-dipole-body problem)

  • Vdtta
  • · Replies 4 ·
Replies
4

High School Piezoelecticity - Amount of electricity produced

  • sudarshanaa
  • · Replies 1 ·
Replies
1

High School Can an electrostatic force repel or just attract?

  • ak_47_boy
  • · Replies 15 ·
Replies
15

Undergrad Superconductor levitating above a magnetic track?

  • wapiti
  • · Replies 2 ·
Replies
2

Undergrad What Explains the Non-Linear Tone Changes in My Crystal Radio Experiment?

  • YADA
  • · Replies 5 ·
Replies
5

Undergrad Magnetic force between two parallel moving charges

  • Arre
  • · Replies 30 ·
2
Replies
30

Undergrad Is the natural frequency the highest frequency?

  • Krampus
  • · Replies 4 ·
Replies
4

High School Alternating Current Explained: How Does It Move Forward?

  • PrincePhoenix
  • · Replies 4 ·
Replies
4

High School Why does the speed of the electric mixer affect the tape stuck to the beater?

  • viviseraph00
  • · Replies 1 ·
Replies
1

Graduate Is a Free Electron in an Electric Field Still Free?

  • Niles
  • · Replies 2 ·
Replies
2

Undergrad Why accelerated charge emits electromagnetic radiation

  • GAGAN SHARMA
  • · Replies 10 ·
Replies
10

Undergrad Why does the absorption of EM radiation vary with wavelength?

  • PrincePhoenix
  • · Replies 3 ·
Replies
3

Graduate Build arbitrary magnetostatic field with dipoles?

  • JustinLevy
  • · Replies 5 ·
Replies
5

Graduate Ladder Circuit Paradox: Equivalent Resistance Analysis

  • GPhab
  • · Replies 3 ·
Replies
3

High School Electric field inside a charged surface

  • walleye
  • · Replies 1 ·
Replies
1

Graduate Flux: Total, Per-Area, Vector & Density Explained

  • Rasalhague
  • · Replies 5 ·
Replies
5

Undergrad What is the Voltage Reading in this Circuit?

  • JustinLevy
  • · Replies 4 ·
Replies
4

Undergrad Why exactly can energy not be gained from magnets?

  • vittle12
  • · Replies 11 ·
Replies
11

Graduate Hall Effects Theory: Closing the Chapter w/ Maximum Understanding

  • tOngEh
  • · Replies 1 ·
Replies
1

High School Does a single electron have poles?

  • kashiark
  • · Replies 10 ·
Replies
10

Graduate Finding the Trajectory of a Test Charge in an Electric Field

  • tickle_monste
  • · Replies 3 ·
Replies
3

Undergrad Light as an EM Wave: Effects on Charges

  • Gear300
  • · Replies 12 ·
Replies
12

Graduate Conducting Sphere Floating in Dielectric

  • a_h
  • · Replies 7 ·
Replies
7

Graduate Trying to understand magnetic pump

  • sf2k
  • · Replies 4 ·
Replies
4

Graduate Can We Create a Magnetic Field Strong Enough to Stop High Energy Particles?

  • nickdk
  • · Replies 8 ·
Replies
8

Graduate Alternators: Better Conductors than Copper? Carbon Nanotubes, Superconductors

  • eli_lied
  • · Replies 8 ·
Replies
8

Undergrad Non-linear Resistance and Ohm's Law

  • Chewy0087
  • · Replies 5 ·
Replies
5

Undergrad Velocity of efflux and pressure

  • dE_logics
  • · Replies 9 ·
Replies
9

Graduate Electrostatic charge distribution questions

  • PhDorBust
  • · Replies 5 ·
Replies
5

High School Why won't my LEDs light up with 9V and 60 Ohm resistance?

  • John Readman
  • · Replies 1 ·
Replies
1

High School DC Battery and Ideal Inductor Circuit Current

  • miss photon
  • · Replies 6 ·
Replies
6

Undergrad Capacitive Current: Calculating Noise Across Capacitors

  • Apteronotus
  • · Replies 5 ·
Replies
5

Graduate Uncovering the Exact Nature of the Electron

  • 1Truthseeker
  • · Replies 12 ·
Replies
12

High School Can someone explain the Earth's magnetic field to me?

  • Suy
  • · Replies 8 ·
Replies
8

Undergrad Discover the Secrets of Specific Charge: Understanding the Example Sum

  • bacardiancoke
  • · Replies 2 ·
Replies
2

High School Is electric electrons and protons?

  • seb7
  • · Replies 9 ·
Replies
9

Undergrad In this grid of 1 Ohm resistors

  • Pagan Harpoon
  • · Replies 2 ·
Replies
2

High School Do charges distribute equally on inner and outer surfaces of a spherical shell?

  • kd001
  • · Replies 2 ·
Replies
2

Undergrad Solving Mystery of Electron Spinning in Atom Structures

  • epilot
  • · Replies 1 ·
Replies
1

High School Potential vs. Voltage: Explained

  • quasi426
  • · Replies 32 ·
2
Replies
32

Graduate Any particle,(with mass), get closer to C than the electron?

  • jmatejka
  • · Replies 5 ·
Replies
5

Undergrad Voltage vs Time Graph: Understanding & Deriving Relationships

  • megr_ftw
  • · Replies 4 ·
Replies
4

Graduate Lorentz force (EM), what happens if

  • fluidistic
  • · Replies 2 ·
Replies
2

Undergrad Non conservative electric field and kirchoff law

  • phymatter
  • · Replies 3 ·
Replies
3

High School Help me, to understand kirchoff's voltage law.

  • sphyics
  • · Replies 4 ·
Replies
4

Graduate Magnetizing a small Alnico 5 pole piece

  • gameforge
  • · Replies 2 ·
Replies
2

Undergrad Will EM wave be emitted from simple circuit?

  • kelvin490
  • · Replies 25 ·
Replies
25

Undergrad How to Create 20 000 Gauss Inside a Copper Dodecahedron with Magnets?

  • Gauss20000
  • · Replies 3 ·
Replies
3

Undergrad Magnetize a steel wire by rubbing against your head. (BS or ~BS)

  • uart
  • · Replies 2 ·
Replies
2

Undergrad Does every object have capacitance?

  • stingray191
  • · Replies 3 ·
Replies
3

Undergrad Is magnetic flux possible through an open surface?

  • phymatter
  • · Replies 1 ·
Replies
1

High School Explaining Alternating Current: How Does it Work?

  • jeff1evesque
  • · Replies 11 ·
Replies
11

Undergrad A question about electrons behavior in a conductor

  • fluidistic
  • · Replies 5 ·
Replies
5

Graduate What is the equivalent property for magnetic fields and how is it formulated?

  • jostpuur
  • · Replies 6 ·
Replies
6

Undergrad Why does sound wave frequency not decrease over distance?

  • wasteofo2
  • · Replies 12 ·
Replies
12