Electromagnetism Forum

Threads

Graduate Angular Velocity of Electrically Powered Motor

  • Physicist97
  • · Replies 5 ·
Replies
5

Graduate Outside the origin circular loop current density

  • Mr. Rho
  • · Replies 5 ·
Replies
5

Graduate Poloidal current in toroidal solenoid

  • Mr. Rho
  • · Replies 2 ·
Replies
2

Graduate Calculating multiple magnitudes for induced electric field

  • Kerrigoth
  • · Replies 1 ·
Replies
1

Graduate What Causes Electric and Color Charge in Fundamental Particles?

  • BiGyElLoWhAt
  • · Replies 9 ·
Replies
9

Undergrad Magnetic field created by a long wire

  • Caio Graco
  • · Replies 5 ·
Replies
5

Graduate Simulating Electrostatic potential

  • philm001
  • · Replies 1 ·
Replies
1

Graduate Calculate flux in a ferrite bead on a wire

  • EmilyRuck
  • · Replies 4 ·
Replies
4

Undergrad AC Voltage Sources Riding A DC Voltage Source

  • Physixs
  • · Replies 16 ·
Replies
16

Undergrad Gauss' theorem due to thin infinitely long sheet

  • Rishabh076
  • · Replies 21 ·
Replies
21

Undergrad Effects of Magnetic field span reduction?

  • PhiowPhi
  • · Replies 20 ·
Replies
20

Graduate What Lies Within the Electron?

  • David Welsh
  • · Replies 3 ·
Replies
3

Graduate Cross product evaluation (for the Lorentz Force).

  • rogerk8
  • · Replies 4 ·
Replies
4

Graduate Electromagnetic effect on gases

  • pvp042
  • · Replies 3 ·
Replies
3

Graduate Charged particles passing through a magnetic wave?

  • Roy Stout
  • · Replies 3 ·
Replies
3

Undergrad Force between 2 electromagnets

  • Shahryar
  • · Replies 2 ·
Replies
2

Graduate Electromagnetic field 4-momentum density and inertial frames

  • USeptim
  • · Replies 14 ·
Replies
14

Undergrad How does a changing magnetic flux induce an electromotive force in a loop?

  • Caio Graco
  • · Replies 3 ·
Replies
3

Undergrad Rest energy of the electron - calculation discrepancy

  • Freezeline
  • · Replies 2 ·
Replies
2

Undergrad Dimensional Units for Coulomb in SI

  • T0mr
  • · Replies 31 ·
2
Replies
31

Undergrad How does rotating a magnet affect the magnetic field?

  • kvyn
  • · Replies 2 ·
Replies
2

High School Question on live and neutral wire

  • Lim Y K
  • · Replies 46 ·
2
Replies
46

Graduate Explosive compression magnetic field

  • MagMad
  • · Replies 1 ·
Replies
1

High School Can Magnetic Fields Actually Do Work?

  • fricke
  • · Replies 11 ·
Replies
11

Undergrad Can a charged capacitor create detectable static electricity with a pith ball?

  • deval vyas
  • · Replies 3 ·
Replies
3

Graduate Faraday's Law for a linearly rising magnetic field

  • Dorian Black
  • · Replies 9 ·
Replies
9

Undergrad Power dissipation in capacitor circuit

  • apkrishna1963
  • · Replies 3 ·
Replies
3

Graduate Is it possible to split water with magnetic fields?

  • bauhaus
  • · Replies 7 ·
Replies
7

Undergrad Can a Curved Wire Exert Magnetic Force on Itself?

  • Ellispson
  • · Replies 2 ·
Replies
2

Graduate Why is μ0 assigned an exact value in SI units?

  • A. Turner
  • · Replies 6 ·
Replies
6

Graduate Lorentz Transformations with Special Relativity Derivation

  • Devin
  • · Replies 2 ·
Replies
2

Graduate Understanding propagation loss: What does this output mean?

  • H Smith 94
  • · Replies 18 ·
Replies
18

High School Why the electric field around a positive charge is always directed away from it?

  • Sharvina Gungah
  • · Replies 6 ·
Replies
6

Graduate Electromagnetic propulsion. (Not?)

  • Bob not Alice
  • · Replies 9 ·
Replies
9

Graduate Poisson's equation with Green's function for point charge

  • Pierre13
  • · Replies 7 ·
Replies
7

Undergrad How can there be a current in this magnet/coil configuration

  • DoobleD
  • · Replies 17 ·
Replies
17

High School Does Voltage Create a Physical Field Similar to Magnetic Fields from Current?

  • Nav
  • · Replies 6 ·
Replies
6

Graduate Coulomb's Law of Electric Displacement -- Why is there none?

  • fricke
  • · Replies 1 ·
Replies
1

Graduate When is the Curl of Electric Displacement Zero?

  • fricke
  • · Replies 1 ·
Replies
1

High School Lamp Brightness with Varying AC: Understanding the Consistent Output

  • AbuBekr
  • · Replies 21 ·
Replies
21

High School Magnetic Effect of Current

  • rahularvind06
  • · Replies 2 ·
Replies
2

High School Why does the same current flow through resistors in series?

  • Andrea Perry
  • · Replies 11 ·
Replies
11

Undergrad Converting Coulombs to Joules Without Voltage

  • Ankhen
  • · Replies 9 ·
Replies
9

High School Create a dust attracting piece of paper

  • marcophys
  • · Replies 4 ·
Replies
4

Undergrad Where does energy of the inductor go?

  • goodphy
  • · Replies 5 ·
Replies
5

Graduate Can an experiment demonstrate the existence of a gravitomagnetic field?

  • olgerm
  • · Replies 6 ·
Replies
6

Graduate Question about intensity of EM waves

  • kelvin490
  • · Replies 2 ·
Replies
2

Graduate What does it mean when x=y in defining a unique voltage?

  • RaduAndrei
  • · Replies 10 ·
Replies
10

Undergrad What determines the penetration of UV rays through the ozone layer?

  • Abhijit Nath
  • · Replies 1 ·
Replies
1

High School Voltmeter values drop w/ time when measuring elec chem cell?

  • mizzmarymary
  • · Replies 3 ·
Replies
3

High School Elementary Charge: Read or Calculate?

  • Ankhen
  • · Replies 5 ·
Replies
5

Graduate Maxwell equation at the surface of a conductor - paradox?

  • coquelicot
  • · Replies 23 ·
Replies
23

Graduate Observer is moving &charge is stationary,magnetic field acts

  • Pyrus
  • · Replies 5 ·
Replies
5

High School Fiction/Nonfiction novel explaining Magnetism?

  • xdezember
  • · Replies 2 ·
Replies
2

Undergrad Conduction of electricity in electrolytes

  • Lim Y K
  • · Replies 2 ·
Replies
2

Undergrad Electromagnetic force increasing/decreasing

  • NooDota
  • · Replies 2 ·
Replies
2

Undergrad Understanding the Fundamentals of Electric Fields....

  • Christina2987
  • · Replies 5 ·
Replies
5

Graduate Misunderstandings about current and voltage

  • himmellaeufer
  • · Replies 20 ·
Replies
20

Graduate Generating anions for oxygen charge

  • Joshua Earl
  • · Replies 1 ·
Replies
1

Undergrad Tesla magnetic field holding force and horsepower to remove magnet

  • Ankhen
  • · Replies 9 ·
Replies
9

Undergrad The charge interaction as a force

  • Mr Wolf
  • · Replies 3 ·
Replies
3

Undergrad Understanding Electroplating: Cu and Fe Ion Movement Explanation

  • Lim Y K
  • · Replies 2 ·
Replies
2

Undergrad Series capacitors and the amounts of charge on the plates.

  • Kerrigoth
  • · Replies 22 ·
Replies
22

Undergrad Coil loop with a magnet through it produces AC or DC?

  • Salvador
  • · Replies 2 ·
Replies
2

Graduate Physical cause of a negative real part of the permittivity

  • BlackHole213
  • · Replies 6 ·
Replies
6

Graduate Energy dissipation in a travelling EM wave

  • Abhirikshma
  • · Replies 10 ·
Replies
10

Undergrad Find Force of Multiple Charges on Origin Charge Q

  • Gift Sama
  • · Replies 4 ·
Replies
4

Undergrad Magnetic field created without an electromagnetic field?

  • Dvorak
  • · Replies 11 ·
Replies
11

Graduate The process of the method of images

  • ta66505477
  • · Replies 3 ·
Replies
3

Undergrad Are induced currents created by motion or change in flux?

  • Kerrigoth
  • · Replies 2 ·
Replies
2

Undergrad Wave frequency and propagation attenuation

  • Steven2007
  • · Replies 10 ·
Replies
10

High School Voltage drop and potential energy

  • r731
  • · Replies 6 ·
Replies
6

Undergrad Calculating the magnitude of Eddy current's retarding force?

  • PhiowPhi
  • · Replies 18 ·
Replies
18

Undergrad Voltage's effect on magnetic rotation

  • Kyle_em_cee
  • · Replies 11 ·
Replies
11

Undergrad Electrical fields of spherical shells

  • lowiqretard
  • · Replies 1 ·
Replies
1

Undergrad Magnetic field due to magnetic dipole

  • fricke
  • · Replies 3 ·
Replies
3

Undergrad Charge density higher at sharp points

  • Premanand
  • · Replies 11 ·
Replies
11

High School Rate of battery life varies with charge?

  • tom aaron
  • · Replies 9 ·
Replies
9

High School Why Does Current Remain Constant in Series Circuit?

  • Lim Y K
  • · Replies 12 ·
Replies
12

Undergrad Why is the magnetic field outside a toroid 0?

  • overtak3n
  • · Replies 5 ·
Replies
5

Graduate Why is the expression for sheet resistance given without demonstration?

  • EmilyRuck
  • · Replies 4 ·
Replies
4

High School Why did we use a capacitor in this circuit?

  • GIORGI
  • · Replies 2 ·
Replies
2

High School Ohm's Law - Identifying Constant in R=V/I Equation

  • Lim Y K
  • · Replies 5 ·
Replies
5

Graduate How would you explain self-induced voltage in an inductor?

  • Moshe1010
  • · Replies 13 ·
Replies
13

Undergrad Energy at zero axis in an Electromagnetic field?

  • mgkii
  • · Replies 6 ·
Replies
6

Undergrad How Does Ampere's Law Account for Changes in Magnetic Field Strength?

  • tdk123
  • · Replies 6 ·
Replies
6

Undergrad How to calculate magnetic field?

  • radaballer
  • · Replies 2 ·
Replies
2

Graduate Field inside spherical hole inside dielectric

  • sergiokapone
  • · Replies 7 ·
Replies
7

Undergrad Force of a changing magnetic field

  • DCN
  • · Replies 3 ·
Replies
3

High School What is the relationship between electric potential and potential difference?

  • steve oliver
  • · Replies 3 ·
Replies
3

Undergrad Use of a solenoid for inductance

  • Mr Davis 97
  • · Replies 1 ·
Replies
1

Undergrad Is a battery needed for electromagnetic induction?

  • Mr Davis 97
  • · Replies 5 ·
Replies
5

High School Current in a Circuit: Does Resistance Decrease It?

  • Lim Y K
  • · Replies 9 ·
Replies
9

Undergrad Why Is the Cross Sectional Area of a Coil Used in Calculating Flux Linkage?

  • JSmith85
  • · Replies 5 ·
Replies
5

High School Why Does Resistance Decrease in Parallel Circuits?

  • Lim Y K
  • · Replies 6 ·
Replies
6

Undergrad Are there any real-life examples of tangent waves in the universe?

  • ujellytek
  • · Replies 3 ·
Replies
3

Graduate Effect of electric field on a wire segment

  • coquelicot
  • · Replies 4 ·
Replies
4

Graduate Electric surface current on a PEC

  • EmilyRuck
  • · Replies 4 ·
Replies
4

Graduate Why Does Non-Constant Conductivity Affect Electric Field Divergence?

  • fricke
  • · Replies 2 ·
Replies
2

Graduate Understanding Current and Current Density in Variable Cross-Section Conductors

  • person_random_normal
  • · Replies 19 ·
Replies
19