Electromagnetism Forum

Threads

Graduate Mechanism of discharge in DBD? (dieletric barrier discharge)

  • Moaaz
  • · Replies 10 ·
Replies
10

Graduate Derivation: Maxwell's equation only from the Lorenz gauge

  • greypilgrim
  • · Replies 3 ·
Replies
3

Graduate EM wave generation using a single charge in a vaccum?

  • DoobleD
  • · Replies 4 ·
Replies
4

Graduate How To calculate the Power required for a Superconducting Magnet

  • Sebastiaan
  • · Replies 29 ·
Replies
29

Graduate Why is the electric field in an ideal wire zero?

  • Elmer Correa
  • · Replies 19 ·
Replies
19

Undergrad What is the electrostatic force field?

  • Fraser MacDonald
  • · Replies 16 ·
Replies
16

Graduate Macroscopic magnetic monopoles are possible?

  • jeffinbath
  • · Replies 16 ·
Replies
16

Graduate Linear polarizers: angle between the electric & magnetic fields

  • narsep
  • · Replies 25 ·
Replies
25

Graduate Magnetic Field of an AA Battery 'Immersed' in a Conductor

  • Fibonacci Vonacci
  • · Replies 14 ·
Replies
14

Undergrad Ion Conductors: Comparing Resistance to Copper at Room Temperature

  • girts
  • · Replies 2 ·
Replies
2

Undergrad Does conductivity of one metal impose limitations on another

  • Swim
  • · Replies 3 ·
Replies
3

High School What causes eddy currents to form in metals?

  • Aya Elsayed
  • · Replies 2 ·
Replies
2

Undergrad Stream inside paraffin oil when exposed to high volage

  • coquelicot
  • · Replies 5 ·
Replies
5

Graduate Transmission line voltage delay

  • yosimba2000
  • · Replies 5 ·
Replies
5

Graduate Dynamics of Lorentz force on a current carrying wire

  • bob012345
  • · Replies 2 ·
Replies
2

High School Why are these capacitor in parallel?

  • Tiago3434
  • · Replies 4 ·
Replies
4

Undergrad Magnetic field of a cylinder with current down the center

  • kmm
  • · Replies 10 ·
Replies
10

Undergrad Negative work and electric potential energy

  • Abu
  • · Replies 11 ·
Replies
11

Graduate Gravity's effect on electromagnetic field

  • alv799
  • · Replies 10 ·
Replies
10

Undergrad What about the electric field in a circuit with resistors?

  • Gabriel Maia
  • · Replies 12 ·
Replies
12

High School Capacitance and voltage relationship

  • matangi7
  • · Replies 3 ·
Replies
3

High School Capacitors in Series: Intuitive Understanding Question

  • matangi7
  • · Replies 3 ·
Replies
3

Graduate Electromagnetic waves/radiation properties?

  • iantresman
  • · Replies 8 ·
Replies
8

Graduate Is the Work Done in Charging an Inductor Different in Non-Quasistatic Scenarios?

  • mayank pathak
  • · Replies 9 ·
Replies
9

Graduate Why do electrons obey Fleming's left hand rule?

  • mmanyevere
  • · Replies 40 ·
2
Replies
40

Graduate Kinetic Energy of Rotating Cone: Correct?

  • Gabriele Pinna
  • · Replies 3 ·
Replies
3

Undergrad Is the Output of a Half Wave Rectifier AC Current?

  • esha
  • · Replies 25 ·
Replies
25

Graduate Self-Induced Emf and Angular Frequency

  • waley
  • · Replies 2 ·
Replies
2

Graduate Why do neutron stars have such powerful magnetic fields?

  • Gevorg
  • · Replies 7 ·
Replies
7

Undergrad Railgun and energy considerations

  • ZeroGravity
  • · Replies 12 ·
Replies
12

Graduate Quantifying Static Electricity Hazard with High Explosives

  • chemisthypnos
  • · Replies 3 ·
Replies
3

Graduate Insight needed on Di-electric breakdown

  • unam
  • · Replies 5 ·
Replies
5

Graduate The origin of self inductance in a current loop?

  • ZeroGravity
  • · Replies 3 ·
Replies
3

Graduate Charge Carriers in the Hall Effect

  • transmini
  • · Replies 2 ·
Replies
2

Undergrad Relationship between magnetic moment and induced magnetism

  • CrazyNeutrino
  • · Replies 2 ·
Replies
2

Undergrad Define inner product of vector fields EM

  • Kara386
  • · Replies 1 ·
Replies
1

Graduate Forces on magnets in a uniform magnetic field

  • Trak
  • · Replies 2 ·
Replies
2

Graduate Dimension of the electric charge in CGS and in SI?

  • mbond
  • · Replies 4 ·
Replies
4

Graduate Inserting a conductor in a parallel-plate capacitor

  • Joshua Benabou
  • · Replies 2 ·
Replies
2

Undergrad Why we use relative permeability

  • janu203
  • · Replies 5 ·
Replies
5

Undergrad Suspending a Magnet or Ferrous rod in a Tube

  • CockatooDude
  • · Replies 9 ·
Replies
9

High School Are Zinc Fasteners Really Magnetic While Stainless Steel Isn't?

  • SDTK
  • · Replies 8 ·
Replies
8

Graduate Ejecting chemical species from a sample using an electron beam

  • samlat
  • · Replies 2 ·
Replies
2

Graduate Types of energy in a gas discharge tube

  • Bhope69199
  • · Replies 2 ·
Replies
2

Graduate In magnetism, what is the difference between the B and H fields?

  • jeebs
  • · Replies 133 ·
5
Replies
133

Undergrad Why does the magnetic flux in a solenoid depend on the number of loops?

  • yosimba2000
  • · Replies 2 ·
Replies
2

Graduate Green's function in electrostatics

  • amjad-sh
  • · Replies 6 ·
Replies
6

Undergrad Why does the solar wind follow magnetic field lines?

  • Thynazgul
  • · Replies 1 ·
Replies
1

Graduate New effect of electromagnetism discovered?

  • Hawksteinman
  • · Replies 4 ·
Replies
4

Graduate Maintaining Magnetism at High Temperature

  • Mastone
  • · Replies 13 ·
Replies
13

Graduate Spin alignment in Magnetic Resonance Imaging

  • Anonymouse
  • · Replies 4 ·
Replies
4

Undergrad Why do charges outside surface create no net flux?

  • yosimba2000
  • · Replies 5 ·
Replies
5

Graduate Electrical displacement: doubts

  • quiet
  • · Replies 6 ·
Replies
6

Undergrad Nodal analysis- Current directions for KCL

  • Neon32
  • · Replies 3 ·
Replies
3

Undergrad Use Rustum Roy's electrolysis method on other molecules?

  • Mac29
  • · Replies 2 ·
Replies
2

Undergrad Discharging argon gas with a homemade tesla coil

  • patric44
  • · Replies 1 ·
Replies
1

High School Solving a Circuit: Neglecting the 1 Ohm Resistor

  • Neon32
  • · Replies 8 ·
Replies
8

Graduate Maxwell Relation, Gibbs Free Energy, Thermal expansion

  • Tian En
  • · Replies 1 ·
Replies
1

Undergrad How Do You Calculate the Normalized Frequency for a Multimode Fiber?

  • Bananen
  • · Replies 4 ·
Replies
4

High School Does the Direction of Current Affect Ohm's Law Sign Convention?

  • Neon32
  • · Replies 6 ·
Replies
6

Graduate Understanding Gauss' law: diff b/w E and D flux?

  • tim9000
  • · Replies 1 ·
Replies
1

Graduate About the first-order electric field correlation function.

  • rocdoc
  • · Replies 2 ·
Replies
2

High School Understanding how electromagnetic pulse works

  • Tio Barnabe
  • · Replies 9 ·
Replies
9

Graduate Does this look like a possible solution to Maxwell's equations?

  • Spinnor
  • · Replies 14 ·
Replies
14

High School Solenoid and Plunger Relationship

  • escape_velocity
  • · Replies 3 ·
Replies
3

Graduate Is Maxwell's Demon Still an Unsolved Mystery?

  • rootone
  • · Replies 3 ·
Replies
3

Undergrad Difference between charge and charge density

  • vysero
  • · Replies 1 ·
Replies
1

Graduate The electric field in an expanding, statically-charged tube

  • particlezoo
  • · Replies 10 ·
Replies
10

Graduate Please clear my electromagnetism doubt about units

  • faheemahmed6000
  • · Replies 1 ·
Replies
1

Undergrad Behavior of inductors -- Why flux linkage does not change instantaneously?

  • PumpkinCougar95
  • · Replies 3 ·
Replies
3

Undergrad Why you can't measure voltage and current at the same time?

  • Karagoz
  • · Replies 25 ·
Replies
25

Undergrad Temperature and magnetic flux density

  • Tufon
  • · Replies 1 ·
Replies
1

Undergrad Stationary Monopole exist at the Origin

  • Philosophaie
  • · Replies 3 ·
Replies
3

Graduate Can an orbital have both electrons and positrons?

  • TheCanadian
  • · Replies 8 ·
Replies
8

Undergrad Can a magnetic field defy gravity?

  • shihab-kol
  • · Replies 6 ·
Replies
6

Undergrad Why am I getting two different results in emu and SI unit?

  • faheemahmed6000
  • · Replies 5 ·
Replies
5

Graduate Charge near an ungrounded infinite conducting plane

  • jsphy
  • · Replies 2 ·
Replies
2

Undergrad Why isn't path integral of H-field 0?

  • yosimba2000
  • · Replies 2 ·
Replies
2

Graduate Dark current and dark count in photon collection devices

  • Emperor42
  • · Replies 6 ·
Replies
6

Undergrad What is the need of angular frequency in S.H.M.?

  • Wrichik Basu
  • · Replies 2 ·
Replies
2

High School How many different charges are there in nature and why?

  • mark!
  • · Replies 19 ·
Replies
19

Undergrad How to find electric field given points of electric potentia

  • Erwin Derek
  • · Replies 1 ·
Replies
1

Graduate Capacitance with smoothly varying dielectric in 1D

  • Louis Fry
  • · Replies 2 ·
Replies
2

Graduate Some questions about electromagnetism

  • PainterGuy
  • · Replies 9 ·
Replies
9

Undergrad Negative Sensible Heat Flux at Earth's Surface

  • AppeltjeBosheuvel
  • · Replies 1 ·
Replies
1

Undergrad Idea / doubt about the movement of electrons

  • Airton Gomes de Lima
  • · Replies 11 ·
Replies
11

Graduate Cutting a FeBa Magnet for a Bloch Wall

  • Sveral
  • · Replies 5 ·
Replies
5

Undergrad Understanding DC Load Line and its Relationship with VCE & IC

  • Pushoam
  • · Replies 2 ·
Replies
2

Undergrad Why Is the Value of ε0 in Coulomb's Force Equation Important?

  • pranav p v
  • · Replies 11 ·
Replies
11

Undergrad Radio waves interaction with other electromagnetic waves

  • emh01
  • · Replies 8 ·
Replies
8

Undergrad E-field from uniformly distributed charges on sphere?

  • yosimba2000
  • · Replies 3 ·
Replies
3

Graduate Energy changes upon insertion of a solid dielectric in a capacitor

  • GKRM
  • · Replies 2 ·
Replies
2

Graduate Why does Maxwell's first equation make sense?

  • yosimba2000
  • · Replies 8 ·
Replies
8

Undergrad Will a solenoid inside another solenoid increase its strength?

  • Matt01
  • · Replies 6 ·
Replies
6

Graduate How does dielectric heating actually work?

  • Experience111
  • · Replies 1 ·
Replies
1

Graduate Dielectrics and standing waves

  • gildomar
  • · Replies 4 ·
Replies
4

Graduate Average magnetic moment of the system

  • WeiShan Ng
  • · Replies 1 ·
Replies
1

Undergrad Potential Energy and Force Between Capacitor Plates

  • diza
  • · Replies 6 ·
Replies
6

Graduate Emitting one or two opposite charges along the x-axis

  • particlezoo
  • · Replies 4 ·
Replies
4

Graduate Electric field integral: Convergence where ρ is nonzero

  • greypilgrim
  • · Replies 6 ·
Replies
6