Electromagnetism Forum

Post thread

Threads

Graduate Electric potential due to multiple charges

  • hasankamal007
  • · Replies 3 ·
Replies
3

Undergrad How are negative ions created in an experiment with a balloon and wool?

  • Goodver
  • · Replies 1 ·
Replies
1

Undergrad Can Zero Electric Potential Prove No Current Flow in a Connected Wire?

  • Entanglement
  • · Replies 63 ·
3
Replies
63

Graduate Understanding Poynting's Theorem intuitively

  • sigma_
  • · Replies 1 ·
Replies
1

Graduate Electric field in all regions of cylinder

  • yayovio10
  • · Replies 1 ·
Replies
1

Graduate Coulomb's force in atoms and effect on dipoles

  • SchrodingersMu
  • · Replies 1 ·
Replies
1

High School Why is the magnetic field of a wire circular

  • Entanglement
  • · Replies 27 ·
Replies
27

Undergrad Formula for electric potential energy

  • darksyesider
  • · Replies 3 ·
Replies
3

Undergrad Why is there force on a current carrying conductor?

  • quawa99
  • · Replies 3 ·
Replies
3

High School The original definitions of Ohm, ampere, volt and coulomb

  • Entanglement
  • · Replies 16 ·
Replies
16

Undergrad Are electric field lines and electric flux the same thing?

  • jaredvert
  • · Replies 1 ·
Replies
1

Graduate Steps per wavelength in mesh density

  • shpongle
  • · Replies 3 ·
Replies
3

Graduate Thermodynamics - Work done on a paramagnetic material

  • Cantique
  • · Replies 3 ·
Replies
3

Graduate Influence of magnetic fluid in magnetic force

  • curioso77
  • · Replies 5 ·
Replies
5

Undergrad Depolarizing Magnets: Possibilities and Limitations

  • homer5677
  • · Replies 1 ·
Replies
1

Undergrad What is the kinetic energy of electron at room temperature?

  • td21
  • · Replies 7 ·
Replies
7

Graduate Calculating Electromagnetic Force at 0 Distance?

  • one_raven
  • · Replies 4 ·
Replies
4

Undergrad Charge distributed uniformly on sphere surface

  • johann1301
  • · Replies 2 ·
Replies
2

Undergrad Are current-carrying wires made of dielectric material?

  • lonewolf219
  • · Replies 2 ·
Replies
2

Undergrad Why do we consider induction a way of charging?

  • explainplease
  • · Replies 3 ·
Replies
3

High School Ampere's Law: A Clear Definition

  • Emz19
  • · Replies 6 ·
Replies
6

Undergrad Graphs of electric field due to binary charge configuration

  • gaurav0751
  • · Replies 3 ·
Replies
3

Graduate Can Any Photon Above Ionization Energy Provide Arbitrary K.E. to Electrons?

  • kelvin490
  • · Replies 2 ·
Replies
2

Graduate (why) is an electron indestructible?

  • bobie
  • · Replies 21 ·
Replies
21

Graduate What is the significance of changing charge magnitudes in a dipole?

  • MathewsMD
  • · Replies 1 ·
Replies
1

Graduate Heat flux with oscillating heat sink

  • tempneff
  • · Replies 3 ·
Replies
3

Graduate How Does Angular Momentum Relate to Magnetic Moments in Physics?

  • bobie
  • · Replies 48 ·
2
Replies
48

Undergrad Understanding Magnetic H Field Strength: MMF, Effective Length & Reluctance

  • bootsnbraces
  • · Replies 2 ·
Replies
2

Graduate Maxwells relations for an open system

  • gfd43tg
  • · Replies 1 ·
Replies
1

Undergrad Can Copper Coils and Iron Pipes Create Electromagnetic Propulsion?

  • ecocentral
  • · Replies 11 ·
Replies
11

Graduate Why does the electron have a magnetic moment?

  • carllacan
  • · Replies 5 ·
Replies
5

Undergrad Problem with Understanding Ampere's Law

  • Mr-R
  • · Replies 1 ·
Replies
1

High School Where Physics currently stands

  • rtsswmdktbmhw
  • · Replies 16 ·
Replies
16

High School What Determines the Force Between Two Magnets?

  • johann1301
  • · Replies 4 ·
Replies
4

High School From where the E inside the battery comes from?

  • kashan123999
  • · Replies 3 ·
Replies
3

Graduate Maxwell Stress Tensor -> Force between magnets and perfect iron

  • SunnyBoyNY
  • · Replies 3 ·
Replies
3

Undergrad Ohmic Resistance: What Causes It?

  • Entanglement
  • · Replies 19 ·
Replies
19

Graduate Magnetic Field Theory Contradiction? - Repost

  • magnetismman
  • · Replies 6 ·
Replies
6

Undergrad How electrons flow in a circuit?

  • Entanglement
  • · Replies 3 ·
Replies
3

Graduate Approximate inductance of a filamentary circular current loop

  • LydiaAC
  • · Replies 2 ·
Replies
2

High School What is the electric potential of a metal cylinder?

  • blatike
  • · Replies 2 ·
Replies
2

Undergrad Magnetic force and radius from magnetic field

  • adambahh
  • · Replies 1 ·
Replies
1

Undergrad Electric Potential Energy in Different parts of Circuit

  • Miraj Kayastha
  • · Replies 15 ·
Replies
15

Undergrad What is the frequency of a photon in Maxwell's equations?

  • idea2000
  • · Replies 24 ·
Replies
24

High School Electric AC Generator: Understand Magnetic Fields & Brushes

  • genevievelily
  • · Replies 4 ·
Replies
4

Undergrad Does a wire in a closed circuit induce a voltage on itself?

  • rail2k
  • · Replies 3 ·
Replies
3

Undergrad Application of piezo-electric effect

  • Young Learner
  • · Replies 1 ·
Replies
1

Undergrad Electric Field Problem: Solving for E in a System of Oppositely Charged Plates

  • Prashasti
  • · Replies 3 ·
Replies
3

Graduate Why Does the Loop's Self-Inductance Depend on the Solenoid's Length?

  • rude man
  • · Replies 8 ·
Replies
8

Graduate A point charge inside a dielectric sphere

  • eahaidar
  • · Replies 5 ·
Replies
5

Undergrad Charge inside the Earth. Where does it go?

  • Prashasti
  • · Replies 1 ·
Replies
1

Undergrad Calculating Area Vectors in Gauss' Law

  • Prashasti
  • · Replies 2 ·
Replies
2

Undergrad Effect of Transformer AC/AC: 27W Ingoing, 20VA Outgoing

  • johann1301
  • · Replies 2 ·
Replies
2

Graduate Electric field boundary equation implication at air/earth interface

  • Stanley514
  • · Replies 28 ·
Replies
28

Undergrad Determining Vibration Frequency

  • Photon713
  • · Replies 4 ·
Replies
4

Undergrad Voltage Divider Bias: 4 Resistors, Base/Emitter, Collector, Stabilization?

  • smart_worker
  • · Replies 3 ·
Replies
3

Graduate Help understanding proof involving Maxwell equation

  • U.Renko
  • · Replies 3 ·
Replies
3

Undergrad Electromagnetic wave in two media

  • The Flobjka
  • · Replies 1 ·
Replies
1

Undergrad How to obtain the low frequency component as accurately as possible?

  • jollage
  • · Replies 7 ·
Replies
7

Undergrad Can Voltage Kill You? | Understanding Electricity & Voltage

  • Jimmy87
  • · Replies 14 ·
Replies
14

Undergrad If you stop cooling a resistor and stop current simultaneously?

  • chestycougth
  • · Replies 2 ·
Replies
2

Undergrad Brushed motor solid magnet strength

  • swagguy8
  • · Replies 3 ·
Replies
3

Undergrad How do we know that chemical bonds are made of electrons(sharing)?

  • hasankamal007
  • · Replies 1 ·
Replies
1

Undergrad Resistivity anti-helmholtz configuration

  • Void123
  • · Replies 16 ·
Replies
16

Undergrad Equivalent Circuit: Rotating for Equality

  • darksyesider
  • · Replies 4 ·
Replies
4

Graduate Is there currently a way to keep light reflecting indefinitely?

  • CosmicVoyager
  • · Replies 11 ·
Replies
11

Undergrad Effect of dielectric on charges

  • K Dhiraj Bhak
  • · Replies 1 ·
Replies
1

Undergrad Electromagnetic Absorption Frequency

  • TESL@
  • · Replies 7 ·
Replies
7

Undergrad Energy flow in an electrical circuit

  • Jimmy87
  • · Replies 5 ·
Replies
5

Undergrad What Happens When a Magnetic Field is Applied to a Gas in a Vacuum?

  • bobie
  • · Replies 8 ·
Replies
8

Undergrad TOTAL FLUX through a solenoid

  • K Dhiraj Bhak
  • · Replies 2 ·
Replies
2

High School Differences Between Magnetic Field and Magnetic Wave?

  • sawer
  • · Replies 19 ·
Replies
19

Undergrad Lenz's Law and determining direction of a current

  • stillcold
  • · Replies 1 ·
Replies
1

High School What does mean free electron. for laser

  • taregg
  • · Replies 2 ·
Replies
2

High School What does 0 electric potential difference mean?

  • kyub7
  • · Replies 3 ·
Replies
3

High School Capacitors in Circuits: Is Current Ignored?

  • darksyesider
  • · Replies 5 ·
Replies
5

Undergrad Suggestions and thoughts on my magnets and magnetism demonstration

  • CraftyDad
  • · Replies 3 ·
Replies
3

Graduate Volume charge density w/o surface charge density

  • vikasagartha
  • · Replies 1 ·
Replies
1

Graduate Can a Magnetic Field Bend Light?

  • schonovic
  • · Replies 2 ·
Replies
2

Undergrad How is the Total Electric Field Calculated for a Ring?

  • djMan
  • · Replies 1 ·
Replies
1

Graduate A Figure in Griffith's Intro to Electrodynamics

  • DocZaius
  • · Replies 4 ·
Replies
4

High School What is the source of energy in magnets?

  • CraftyDad
  • · Replies 6 ·
Replies
6

Undergrad Does an electric field go through a conductor ?

  • jaredvert
  • · Replies 3 ·
Replies
3

Undergrad Is the intersteller medium a charged gas or a plasma?

  • membraineBound
  • · Replies 3 ·
Replies
3

Undergrad How does Nyquist's Frequency affect aliasing in discrete signals?

  • JimmyJimmy
  • · Replies 9 ·
Replies
9

Graduate Can someone better explain how motion affects an electric field?

  • nhmllr
  • · Replies 5 ·
Replies
5

High School Current from static electricity

  • oneamp
  • · Replies 4 ·
Replies
4

Undergrad Production of 1 Tesla Field for Penning Trap?

  • SSwarb
  • · Replies 3 ·
Replies
3

Undergrad Interpreting Positive Potential Energy in Point Charges

  • jonathan.15
  • · Replies 8 ·
Replies
8

Graduate Why is the natural frequency of a column at the buckling load?

  • theBEAST
  • · Replies 2 ·
Replies
2

High School Resistors in seriess-current is the same?

  • oneplusone
  • · Replies 10 ·
Replies
10

Undergrad Acoustic standing waves with an open far end

  • anhhuyalex
  • · Replies 1 ·
Replies
1

High School How many electrons does one Ohm prevent/resist?

  • Justinmcg67
  • · Replies 12 ·
Replies
12

Undergrad Why does an electric charge stop moving?

  • meesa
  • · Replies 12 ·
Replies
12

Undergrad What is the optimum voltage for an X-ray tube and why is it important?

  • JordanU94
  • · Replies 13 ·
Replies
13

Graduate Maxwell-Boltzmann Distribution and Probability

  • unscientific
  • · Replies 6 ·
Replies
6

High School Potential Difference in case of electrons

  • Miraj Kayastha
  • · Replies 3 ·
Replies
3

Graduate Lorentz Force on a Curved Wire in a Non-Constant Magnetic Field

  • CarsonAdams
  • · Replies 4 ·
Replies
4

Graduate Do purely electrostatic ion traps exist?

  • cantRemember
  • · Replies 1 ·
Replies
1

High School Homemade Electric Crank Generator Not Producing Voltage

  • Adsr
  • · Replies 12 ·
Replies
12