Electromagnetism Forum

Post thread

Threads

Graduate When wavelength is smaller than 1pm

  • y33t
  • · Replies 1 ·
Replies
1

Undergrad Why the inner component is not experienced eletrical force from the outter?

  • Hades1989
  • · Replies 1 ·
Replies
1

Graduate I have a question about the direction of the magnetic vector potential

  • MacOfficial
  • · Replies 4 ·
Replies
4

Undergrad Free Electricity Generation (A serious question over a funny picture)

  • hkBattousai
  • · Replies 3 ·
Replies
3

Graduate Photons & their relation to charge

  • ravisastry
  • · Replies 29 ·
Replies
29

High School Understanding Electromagnetism: Clarifying Concepts for Class 10th Students

  • sankalpmittal
  • · Replies 45 ·
2
Replies
45

Graduate Is the magnetic flux in a neuron star creation constant? Why?

  • nicksbyman
  • · Replies 4 ·
Replies
4

Undergrad How can I accurately calculate mutual inductance between a coil and a magnet?

  • HiEdgar
  • · Replies 7 ·
Replies
7

Graduate Calculating Induced Current and Force in Moving Magnet Over Solenoid

  • jinnkraft
  • · Replies 1 ·
Replies
1

Undergrad Are neutrons and protons particles?

  • Jarfi
  • · Replies 6 ·
Replies
6

Undergrad Is the C=εA/d Formula for a Parallel Plate Capacitor an Approximation?

  • rshalloo
  • · Replies 3 ·
Replies
3

Undergrad Dust aluminium atracted to magnet

  • Looser74
  • · Replies 16 ·
Replies
16

Undergrad Forces between charged particles, energy is coming from nowhere?

  • Lost4468
  • · Replies 1 ·
Replies
1

Graduate How to measure charging of Cockcroft Walton Multipliers?

  • shrinky
  • · Replies 3 ·
Replies
3

High School Can Charged Particles in a Magnetic Field Create Lift Like a Balloon?

  • zboy
  • · Replies 3 ·
Replies
3

Undergrad Why does i(t)=dq(t)/dt give the value of AC current only?

  • gikiian
  • · Replies 8 ·
Replies
8

Graduate Highest Possible Frequency of Photon

  • mbilitatu
  • · Replies 8 ·
Replies
8

Graduate Are Magnetic Monopoles Related to the Relativistic Effect of Magnetism?

  • QuArK21343
  • · Replies 1 ·
Replies
1

High School Compass with stronger magnetic?

  • tor1chip
  • · Replies 4 ·
Replies
4

Graduate How can a single moving charge generate a magnetic field relativistically

  • storm4438
  • · Replies 34 ·
2
Replies
34

High School How do microwaves cause molecules to move and heat up food?

  • AlexHornby
  • · Replies 1 ·
Replies
1

Undergrad Power generation with peizoelectricity

  • dhayalanvk
  • · Replies 3 ·
Replies
3

Undergrad Electromagnetics (Difference in self induction in AC and DC)

  • 0siris85
  • · Replies 2 ·
Replies
2

Graduate Poynting vector / time averaged energy?

  • elegysix
  • · Replies 19 ·
Replies
19

Undergrad Role of a voltmeter in an initially open circuit

  • justing943
  • · Replies 2 ·
Replies
2

Undergrad Watt (Power) better conceptually explained.

  • unders
  • · Replies 7 ·
Replies
7

Graduate Field between 2 conducting spheres in electric field

  • oliverroth
  • · Replies 4 ·
Replies
4

Undergrad Number of Turns Needed for a Good Solenoid

  • fisico30
  • · Replies 1 ·
Replies
1

Graduate Calculating Electric Field Distribution of a Laser Beam

  • vivek.iitd
  • · Replies 8 ·
Replies
8

Undergrad What actually happens when you drop a hairdryer in bath

  • Passiday
  • · Replies 8 ·
Replies
8

High School Photoelectric effect, and sunlight.

  • kcajrenreb
  • · Replies 4 ·
Replies
4

Undergrad Charge Distribution Upon Contact: How Do Objects of Different Charges Interact?

  • benhou
  • · Replies 1 ·
Replies
1

Graduate Magnetism and the violation of the law of angular momentum

  • CHUKKY
  • · Replies 8 ·
Replies
8

Undergrad Dynamic analysis: Effect of damping on frequency

  • svishal03
  • · Replies 3 ·
Replies
3

Graduate Electric Field of a ring , mathematically

  • MinaKaiser
  • · Replies 3 ·
Replies
3

Graduate How air molecules still carry acoustic messages when multiple sources present?

  • arashmh
  • · Replies 12 ·
Replies
12

Graduate Gauge Freedom of Magnetic Potential in Electrodynamics

  • touqra
  • · Replies 4 ·
Replies
4

Undergrad What Determines the Polarization of EM Waves?

  • sawer
  • · Replies 11 ·
Replies
11

High School Electromagnetic wave (light) propagation

  • SimpleMinds
  • · Replies 2 ·
Replies
2

High School What calculations should I perform for my capacitor discharge data in the lab?

  • Irishwolf
  • · Replies 1 ·
Replies
1

Undergrad Determining if a field is electrostatic or not

  • mitch_1211
  • · Replies 8 ·
Replies
8

Undergrad Magnetic force does no work. OR does it?

  • fisico30
  • · Replies 3 ·
Replies
3

Graduate What is the difference between an electron and electromagnetic waves?

  • neom
  • · Replies 6 ·
Replies
6

Graduate Vector potential and energy calculations in magnetostatics

  • Mbert
  • · Replies 4 ·
Replies
4

Graduate How do Cesium gas atoms demagnetise

  • TheDestroyer
  • · Replies 2 ·
Replies
2

Graduate Multi resolution Time Domain (MRTD)

  • Krishna0703
  • · Replies 1 ·
Replies
1

Undergrad Electricity use:Saving by turning lights/power on/off

  • Bacle2
  • · Replies 19 ·
Replies
19

Undergrad Mechanical electricity generation

  • DaveC426913
  • · Replies 5 ·
Replies
5

Graduate Radial flow of charge across cylinder?

  • collectedsoul
  • · Replies 2 ·
Replies
2

Graduate Mutual Inductance between Two Solenoids

  • derek88
  • · Replies 1 ·
Replies
1

Undergrad Most efficient wire gauge for induction coils

  • Cspeed
  • · Replies 3 ·
Replies
3

Undergrad Mutual inductance in a Conductor

  • derek88
  • · Replies 1 ·
Replies
1

Undergrad Help with Electromagnet Project Design

  • rocketnukem
  • · Replies 3 ·
Replies
3

Undergrad Gravitational field has energy, E field does not?

  • csmcmillion
  • · Replies 3 ·
Replies
3

Undergrad Can a block of aluminum become an electromagnet?

  • eah2119
  • · Replies 8 ·
Replies
8

Undergrad Confused about electric field/velocity/magnetic field vectors

  • beanus
  • · Replies 4 ·
Replies
4

High School Possible to generate Electrostatic energy using battery?

  • oem7110
  • · Replies 4 ·
Replies
4

Graduate Are the charges of electrons necessarily integer values?

  • ft_c
  • · Replies 16 ·
Replies
16

High School Trying to understand the temperature coefficient of resistance

  • StudentEngine
  • · Replies 2 ·
Replies
2

Graduate Help on vacuum permittivity related question

  • vivek2994
  • · Replies 2 ·
Replies
2

High School What charges on high voltage circuits?

  • oem7110
  • · Replies 7 ·
Replies
7

Undergrad Affecting Earth's Magnetic Field?

  • oem7110
  • · Replies 7 ·
Replies
7

Graduate Why is k = 9 * 10^9 and how is it related to Pi?

  • -Castiel-
  • · Replies 9 ·
Replies
9

Electrostatic energy on my cat?

  • oem7110
  • · Replies 3 ·
Replies
3

Graduate Confusion regarding the Boltzman distribution as it applies to paramagnetism

  • FluxPin
  • · Replies 4 ·
Replies
4

Graduate Motion of charged particle in magnetic field

  • Sparky_
  • · Replies 11 ·
Replies
11

Graduate Speed of propogation of electrostatic field

  • csmcmillion
  • · Replies 9 ·
Replies
9

Undergrad Why losing charges under light?

  • oem7110
  • · Replies 4 ·
Replies
4

Graduate 2D Gauss' Law applied to an infinite cylinder

  • Geofleur
  • · Replies 5 ·
Replies
5

Graduate Radiation from charge ; nature of laws

  • apratim.ankur
  • · Replies 1 ·
Replies
1

Undergrad Magnetic Field From Coiled Wires

  • KrizG
  • · Replies 1 ·
Replies
1

Graduate Magnetic & Electric Fields: A Cycle of Change?

  • MotoPayton
  • · Replies 1 ·
Replies
1

High School North pole and south pole of a magnet.

  • GrizzlyBat
  • · Replies 10 ·
Replies
10

Graduate Understanding Magnetism in a Syncronous Motor

  • Mastiffman
  • · Replies 5 ·
Replies
5

Undergrad Does electric heating violates the laws of thermodynamics

  • mkj
  • · Replies 4 ·
Replies
4

Graduate What Does β Represent in the Steam Engine Flywheel Equation?

  • phiby
  • · Replies 3 ·
Replies
3

Graduate Displacment equation of a charged particle

  • thetrice
  • · Replies 1 ·
Replies
1

Undergrad Basic questions about electromagnetics , quickly

  • filthooo
  • · Replies 1 ·
Replies
1

Undergrad Domestic wiring problems/magnetic fields

  • orangea/lemon
  • · Replies 11 ·
Replies
11

Undergrad Electric Field from Gauss' Law - Vector Form

  • roshan2004
  • · Replies 2 ·
Replies
2

Undergrad Where do these expressions for energy densities come from?

  • Xyius
  • · Replies 1 ·
Replies
1

Undergrad Can Static energy generate magnetic field?

  • oem7110
  • · Replies 6 ·
Replies
6

Graduate Is the Homopolar Motor a Reactionless Drive?

  • MS La Moreaux
  • · Replies 3 ·
Replies
3

Graduate More precise calculation for Acoustic End Correction needed

  • GenSoft3d
  • · Replies 2 ·
Replies
2

Undergrad When can a charged sphere be treated as a point charge?

  • annms
  • · Replies 9 ·
Replies
9

Graduate How does the magnetic field strength decay(radially) inside a solenoid coil?

  • merper
  • · Replies 11 ·
Replies
11

High School What charge is on plasma ball surface?

  • oem7110
  • · Replies 1 ·
Replies
1

Graduate Translate this article on magnetic monopoles?

  • AnnieF
  • · Replies 1 ·
Replies
1

Graduate Can Protons or Positrons Flow as a Current?

  • lufc88
  • · Replies 1 ·
Replies
1

Graduate Falling superconductor in a magnetic field

  • krysith
  • · Replies 3 ·
Replies
3

Undergrad Can Solenoids Be Used as Shock Absorbers Through Electromagnetic Damping?

  • nnj
  • · Replies 7 ·
Replies
7

Graduate Magnetic susceptibility of ferrofluids

  • Termotanque
  • · Replies 2 ·
Replies
2

Undergrad Electric field of a point outside a charged sphere

  • dpg1276
  • · Replies 1 ·
Replies
1

High School Why Are There No Perfect Electrical Insulators?

  • RobinSky
  • · Replies 2 ·
Replies
2

Graduate Calculating Angular as a Function of Proton Movement in Magnetic Field

  • liquidFuzz
  • · Replies 4 ·
Replies
4

Graduate Creating a Physics Problem with Coulomb's Law and Centripetal Force

  • Shmi
  • · Replies 7 ·
Replies
7

Graduate Relationship between GR and qm+electromagnetism?

  • romsofia
  • · Replies 3 ·
Replies
3

Undergrad Voltage across resistors in series and parallel

  • TrolliOlli
  • · Replies 3 ·
Replies
3

Undergrad Van de graaff without insulation?

  • jxy
  • · Replies 1 ·
Replies
1

Undergrad Are Magnetic Fields Simply Electric Fields Viewed from Different Perspectives?

  • SpartanG345
  • · Replies 11 ·
Replies
11