Electromagnetism Forum

Post thread

Threads

Graduate Spatial derivative of Electric Field in Faraday's Law?

  • sawer
  • · Replies 3 ·
Replies
3

Graduate What properties of waves causes the photoelectric effect

  • Photolicktrick
  • · Replies 1 ·
Replies
1

Graduate Distance for electron to stop due to charged plane

  • kunkle
  • · Replies 3 ·
Replies
3

Graduate Ambiguity of Curl in Maxwell-Faraday Equation

  • greswd
  • · Replies 33 ·
2
Replies
33

Graduate Double integral to compute capacitance

  • chimay
  • · Replies 4 ·
Replies
4

High School Question on how capacitors function....

  • cmkluza
  • · Replies 4 ·
Replies
4

Graduate Electromagnetic action in differential forms

  • spaghetti3451
  • · Replies 3 ·
Replies
3

Undergrad Is AC energy really transferred as EM wave?

  • Jackson Lee
  • · Replies 37 ·
2
Replies
37

Undergrad How Do Metals Affect Electric Fields and EM Waves?

  • wasi-uz-zaman
  • · Replies 5 ·
Replies
5

Undergrad Can we apply the concept of net charge to subatomic particles?

  • ConfusedRookie
  • · Replies 5 ·
Replies
5

High School Need help with voltage across a capacitor in a DC circuit

  • Blockade
  • · Replies 7 ·
Replies
7

Graduate Is there a maximum limit to voltage for a conductor?

  • Trance-
  • · Replies 18 ·
Replies
18

Undergrad Why are electromagnetic forces body/volume forces?

  • Logerah
  • · Replies 3 ·
Replies
3

Graduate Torque upon a rotating magnetized body

  • pac134
  • · Replies 13 ·
Replies
13

Graduate Testing Electronic Components with an Oscilloscope and Mössbauer Source

  • Rajini
  • · Replies 1 ·
Replies
1

Graduate Computing capacitance in the general case

  • coquelicot
  • · Replies 10 ·
Replies
10

Undergrad Magnetic field around a finite wire with different diameter

  • Agnelo
  • · Replies 4 ·
Replies
4

Undergrad Electrodes liquid contact electromagnetic flow meter?

  • thomas49th
  • · Replies 2 ·
Replies
2

Undergrad Coulomb's law in its vector form?

  • ConfusedRookie
  • · Replies 8 ·
Replies
8

Graduate Frequency of Beat in Transverse Wave

  • terryds
  • · Replies 10 ·
Replies
10

Undergrad Magnetic field of moving charges

  • samueljun
  • · Replies 5 ·
Replies
5

Undergrad Leyden Jars increase spark length?

  • Invictos
  • · Replies 9 ·
Replies
9

Graduate Struggling with Moving Conductor and Magnet Problem

  • greswd
  • · Replies 7 ·
Replies
7

Graduate Shielding an off-center charge with a conducting shell

  • greypilgrim
  • · Replies 5 ·
Replies
5

Graduate Why are pressure and current scalar?

  • donaldparida
  • · Replies 1 ·
Replies
1

Graduate The magnetic field within cylindrical hollow conductor

  • nabil25
  • · Replies 8 ·
Replies
8

High School In a Full-wave rectification plus smoothing

  • Potatoishere
  • · Replies 31 ·
2
Replies
31

Undergrad Induced voltage and current in an odd scenario

  • FilipLand
  • · Replies 3 ·
Replies
3

Graduate Why a conductive shield doesn't block the magnetic field?

  • nabil25
  • · Replies 2 ·
Replies
2

Undergrad How quickly can an electric switch operate?

  • Eltahawy
  • · Replies 1 ·
Replies
1

Undergrad Basic electronics Concepts. Can you me?

  • Draff
  • · Replies 7 ·
Replies
7

Graduate Manifestly covariant Maxwell's equations

  • spaghetti3451
  • · Replies 20 ·
Replies
20

Graduate Can we define a circular loop with moving electrons as magnetostatic?

  • Mayan Fung
  • · Replies 2 ·
Replies
2

Undergrad Can I calculate the electric field at a point using Coulombs law and distance?

  • pug
  • · Replies 14 ·
Replies
14

Undergrad Electron accelerated in electric field

  • GhostLoveScore
  • · Replies 6 ·
Replies
6

Undergrad I have a 2-part question about electromagnetism and motors

  • James Birt
  • · Replies 37 ·
2
Replies
37

Undergrad Measuring charge (or potential) with electroscope?

  • David Anton
  • · Replies 14 ·
Replies
14

Undergrad Differential form of Gauss' law: All three terms the same value?

  • greypilgrim
  • · Replies 6 ·
Replies
6

Undergrad Electromagnetic radiation effect on electric field?

  • Dace123
  • · Replies 4 ·
Replies
4

Graduate Faraday cage from Gauss' law alone?

  • greypilgrim
  • · Replies 1 ·
Replies
1

Undergrad Lenz's Law in action with different length magnets

  • magnetics
  • · Replies 2 ·
Replies
2

Graduate Particle Accelerator for Uncharged Particles?

  • LarryS
  • · Replies 12 ·
Replies
12

Undergrad Resistance calculation on right angle current flow

  • Richard92
  • · Replies 6 ·
Replies
6

Undergrad Electric field inside a conducting wire

  • Mohammed Shoaib
  • · Replies 3 ·
Replies
3

High School What does a magnetic field consist of?

  • Mary Space
  • · Replies 17 ·
Replies
17

Graduate Charge Separation and solar cells?

  • Jafar Hussain Shah
  • · Replies 1 ·
Replies
1

High School Difference between rate and frequency?

  • Iceified
  • · Replies 4 ·
Replies
4

Graduate I need to understand the following E&M points

  • madmax87
  • · Replies 1 ·
Replies
1

High School What is the *truth* of the electrostatic force

  • stevepham
  • · Replies 15 ·
Replies
15

Undergrad Does it matter where to connect a conductor to ground?

  • greypilgrim
  • · Replies 23 ·
Replies
23

Graduate Kinetic energy distribution of free electrons

  • Clara Chung
  • · Replies 1 ·
Replies
1

Undergrad What is induced magnetic field?

  • Aafia
  • · Replies 4 ·
Replies
4

High School Really confused about voltage and some other quetions

  • Logical Dog
  • · Replies 2 ·
Replies
2

Graduate Magnetostatics force equation for continuous current density

  • Peeter
  • · Replies 3 ·
Replies
3

High School Why is voltage constant in a wire?

  • MagicPandaLol
  • · Replies 37 ·
2
Replies
37

Undergrad The reciprocal relationship between frequency and period

  • Frank Castle
  • · Replies 13 ·
Replies
13

Graduate Demagnetizing effect of toroids or long thin cylinders

  • arpon
  • · Replies 4 ·
Replies
4

Graduate How Do Magnetic Mirrors Enhance Fusion Reactor Efficiency?

  • MoreKnowledge
  • · Replies 12 ·
Replies
12

Graduate Magnetic fields and currents - question about time delay

  • Kiki
  • · Replies 1 ·
Replies
1

Graduate Magnetic Field of Current loop around the Core

  • FelixTheWhale
  • · Replies 3 ·
Replies
3

Graduate Forces between a Solenoid and an External Permanent Magnet

  • particlezoo
  • · Replies 6 ·
Replies
6

Undergrad Solving Gauss' Law Problem: Zero E Field?

  • David112234
  • · Replies 34 ·
2
Replies
34

Undergrad Field Lines of an Electric Dipole?

  • tade
  • · Replies 2 ·
Replies
2

Undergrad Why is current in Van De Graaff generator so low?

  • weezy
  • · Replies 14 ·
Replies
14

Graduate Temporary magnetization of Casimir effect plates?

  • Martin Sallberg
  • · Replies 15 ·
Replies
15

High School Is it possible to calculate the magnetic force between magnets?

  • mohau tshekoeng
  • · Replies 8 ·
Replies
8

Graduate Is electromagnetic radiation a form of kinetic energy?

  • Green dwarf
  • · Replies 8 ·
Replies
8

Undergrad How can the electric field inside a conductor be zero?

  • ycheng18
  • · Replies 32 ·
2
Replies
32

High School Can Liquid Be Magnetic at Room Temp?

  • ryanuser
  • · Replies 17 ·
Replies
17

Undergrad Question about photoelectric effect?

  • Clara Chung
  • · Replies 3 ·
Replies
3

Graduate Electric Field Between Two Metal Balls.

  • tade
  • · Replies 1 ·
Replies
1

High School How Electromotive Force is Produced by Electric Generator?

  • mo0nfang
  • · Replies 6 ·
Replies
6

Undergrad Calculating Joules from Capacitance: Answers & Tips

  • RED119
  • · Replies 5 ·
Replies
5

Undergrad What actually is threshold frequency?

  • Clara Chung
  • · Replies 2 ·
Replies
2

Undergrad Decoding flux of a vector field

  • manasi bandhaokar
  • · Replies 26 ·
Replies
26

Graduate Canonical momentum of electromagnetic field

  • gerald V
  • · Replies 1 ·
Replies
1

Graduate Magnetostatics: What if "steady" currents were divergent?

  • particlezoo
  • · Replies 6 ·
Replies
6

Undergrad Electric field of electric current

  • hokhani
  • · Replies 5 ·
Replies
5

Undergrad Where does natural frequency comes from?

  • ramzerimar
  • · Replies 3 ·
Replies
3

Undergrad Can Gauss's Law Derive the Electric Field Around a Uniformly Charged Ring?

  • LAByrinthAC
  • · Replies 1 ·
Replies
1

Graduate Why Don’t Electrons Crash into the Nucleus in Atoms? - Comments

  • Multiple_Authors
  • · Replies 14 ·
Replies
14

High School What Is Magnetism? Physics & Maths Explained

  • Simon Peach
  • · Replies 6 ·
Replies
6

Undergrad Verify a Formula for Poynting Vector?

  • Twigg
  • · Replies 3 ·
Replies
3

Graduate Gravitationally induced electric voltage in conductor

  • jfizzix
  • · Replies 19 ·
Replies
19

Graduate How can we talk about charges very close to zero?

  • Prem1998
  • · Replies 11 ·
Replies
11

Graduate Dielectric in capacitor: Griffiths question

  • person_random_normal
  • · Replies 19 ·
Replies
19

High School How electrons get deflected in magnetic field while moving?

  • mo0nfang
  • · Replies 8 ·
Replies
8

Graduate Phase difference between magnetic and electric field

  • Tazerfish
  • · Replies 7 ·
Replies
7

Undergrad How Does the Biot-Savart Law Apply to Angles in an Infinite Wire Calculation?

  • cosmogrl
  • · Replies 5 ·
Replies
5

Graduate Partial or total derivative in Faraday's law

  • DoobleD
  • · Replies 5 ·
Replies
5

Graduate Theoretical Maximum Velocity Of Electric Jet?

  • Buggy
  • · Replies 8 ·
Replies
8

High School Is there a type of current other than AC and DC

  • dilshada shabnam
  • · Replies 13 ·
Replies
13

Graduate How electrons and protons and atoms make a whole object

  • dilshada shabnam
  • · Replies 3 ·
Replies
3

Undergrad What Causes Electrons to Move Directionally in a Wire within a Magnetic Field?

  • mo0nfang
  • · Replies 6 ·
Replies
6

Graduate Does a Magnetic Moment μ exist for any closed current loop?

  • tade
  • · Replies 13 ·
Replies
13

Undergrad Why can a capacitor get discharged through a (long) cable?

  • greypilgrim
  • · Replies 11 ·
Replies
11

Undergrad How can voltage drop be zero if E-field isn't?

  • greypilgrim
  • · Replies 1 ·
Replies
1

High School Help artist with magnetic levitation

  • dmhmaestro
  • · Replies 13 ·
Replies
13

Graduate Magnetic field by ideal toroidal solenoid

  • DavideGenoa
  • · Replies 2 ·
Replies
2

Undergrad Dipole: Which field lines go to infinity?

  • greypilgrim
  • · Replies 11 ·
Replies
11