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Graduate Thought experiment with electron and proton

  • forcefield
  • · Replies 40 ·
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Undergrad Detecting the Earth's magnetic field

  • Steel_Panther
  • · Replies 2 ·
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2

Undergrad Power & Magnetism: Calculating Resistance & Loss

  • abdo799
  • · Replies 2 ·
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2

Graduate What Determines the Value of km in Magnetic Field Calculations?

  • origamipro
  • · Replies 1 ·
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1

Undergrad What is happening in my circuit?

  • PsychonautQQ
  • · Replies 6 ·
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6

Graduate How Does an Electron's Charge Avoid Repulsing Itself?

  • kye
  • · Replies 2 ·
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2

Graduate Two positively charged plates : interaction force

  • Perpendicular
  • · Replies 5 ·
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5

Undergrad Atomic description of what happens in a capacitor.

  • smashueatu
  • · Replies 5 ·
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5

Undergrad How to test cutoff frequency of IR filter on camera?

  • pgpgpgpg
  • · Replies 3 ·
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3

Undergrad Converting everyday heat energy into electricity

  • dbaezner
  • · Replies 1 ·
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1

Undergrad Does Using a Chip in a DC Voltage Supply Reduce Average Voltage Significantly?

  • PsychonautQQ
  • · Replies 2 ·
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2

Undergrad Will a magnet lift a very thin coated sheet of nickel?

  • Stuey
  • · Replies 3 ·
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3

Undergrad Bode Plots in RL and RC circuits

  • PsychonautQQ
  • · Replies 1 ·
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1

Graduate Is Gauss's Law Valid for Moving Charges?

  • assed
  • · Replies 2 ·
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2

Undergrad Electrostatics - hollow charged sphere

  • JustStudying
  • · Replies 1 ·
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1

Undergrad A 0.18m long metal rod is places on some metal rollers in a megnetic

  • mnishi96
  • · Replies 3 ·
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Graduate Rectangular Waveguide With Dipole in it

  • fred3142
  • · Replies 4 ·
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4

Graduate Relationship between radiation flux and count rate of a scintillator

  • CraigH
  • · Replies 3 ·
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3

Undergrad Polarized Electromagnetic Waves

  • sandy.bridge
  • · Replies 2 ·
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2

Graduate Spacial distance of paired electrons

  • anorred
  • · Replies 2 ·
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2

Graduate Question: will highly charged metals break apart?

  • jsmtaylor23
  • · Replies 2 ·
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2

Undergrad What Is The Difference Between These Dielectric Terms?

  • FredericChopin
  • · Replies 2 ·
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2

Graduate Transformers : flux leakage and saturation current

  • JustStudying
  • · Replies 1 ·
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1

Graduate Effects of Electron/Ion Particle Spray on Antennae

  • Titurial
  • · Replies 2 ·
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2

Graduate Radiation of an accelerated charge

  • stoopkid
  • · Replies 2 ·
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2

Graduate Current-voltage relation for series association of variable capacitors

  • Barloud
  • · Replies 2 ·
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2

Undergrad This equation, there must be something wrong with it.

  • Psinter
  • · Replies 3 ·
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3

Undergrad Magnetic field of a moving charged particle

  • arul_k
  • · Replies 33 ·
2
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33

Graduate Why is an electron a positron going backwards in time?

  • Superposed_Cat
  • · Replies 15 ·
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15

Graduate Magnetic field due to a solenoid.

  • PhysicoRaj
  • · Replies 4 ·
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4

Undergrad Evaluating Metal's Effect on RF: Wi-Fi in the 2.4 GHz Range

  • jastewart
  • · Replies 3 ·
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3

Undergrad Energy required to magnetize soft iron?

  • Dash-IQ
  • · Replies 1 ·
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1

Undergrad Conservation of energy in magnets

  • User11037
  • · Replies 6 ·
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6

Graduate The Fundamental Differences Between Electric and Magnetic Fields in Relativity

  • TrickyDicky
  • · Replies 9 ·
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9

Graduate Electric field of a magnetic monopole

  • arul_k
  • · Replies 7 ·
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7

Undergrad Work Done per Unit Charge vs Current

  • san203
  • · Replies 10 ·
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10

Undergrad Current = Voltage/Resistance or Power/Voltage?

  • Sweeney
  • · Replies 10 ·
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10

Graduate Diamagnetic electrons in a homogenous magnetic field

  • anorred
  • · Replies 5 ·
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5

Graduate Lamor precession and diamagnetism

  • Gavroy
  • · Replies 2 ·
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2

High School Insulated vs uninsulated wire in electromagnet

  • mortega
  • · Replies 3 ·
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3

Undergrad Charge and field distribution for spherical conductor with cavity

  • mathnerd15
  • · Replies 8 ·
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8

Undergrad Radiowave Transmission: Where Does Electric Field Come From?

  • Jimmy87
  • · Replies 1 ·
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1

Undergrad Does energy of the signal lose after going through the filter?

  • anhnha
  • · Replies 7 ·
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7

High School Interaction between current and magnetic field

  • eddywalrus
  • · Replies 2 ·
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2

Graduate Resource for learning about D and H

  • HJ Farnsworth
  • · Replies 19 ·
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19

Graduate What is the relationship between free and bound charge in Ohm's Law?

  • berra
  • · Replies 11 ·
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11

Undergrad How Do Free Electrons Transfer Kinetic Energy in Copper Wires?

  • cubozoan
  • · Replies 6 ·
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6

Undergrad Diff bet short&long bar magnet,Magnetic field due to current in loop

  • kira506
  • · Replies 6 ·
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6

Graduate Point charge ; current in a circuit

  • Crazymechanic
  • · Replies 4 ·
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4

Undergrad How to calculate magnetic pole strength?

  • abdo799
  • · Replies 4 ·
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4

Undergrad The Effects of Water on EM Waveforms

  • jastewart
  • · Replies 5 ·
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5

Graduate Question regarding Biot-Savart law

  • cwbullivant
  • · Replies 3 ·
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3

Graduate E and B fields and Electromagnetic radiation

  • kasap
  • · Replies 4 ·
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Graduate Reference Electrostatic Potential

  • HAMJOOP
  • · Replies 8 ·
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8

Undergrad EM waves- self propagating in a vacuum?

  • kasap
  • · Replies 7 ·
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7

Undergrad Kirchoff Rule Sign Conventions, Need Clarity.

  • Dgray101
  • · Replies 1 ·
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1

Graduate Capacitor with 2 floating gates

  • divB
  • · Replies 1 ·
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1

Undergrad Question about potential energy in capacitors

  • Mangoes
  • · Replies 4 ·
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4

Graduate Magnetic flux pinning sometimes there and sometimes not.

  • 2sin54
  • · Replies 2 ·
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2

Undergrad Questions about static electricity in automobiles

  • lostminty
  • · Replies 6 ·
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6

Undergrad Why Is My Circuit Showing Higher Current Than Expected?

  • driedupsharpie
  • · Replies 3 ·
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3

Undergrad Dielectric Constant of Food in microwave

  • nagrom777
  • · Replies 3 ·
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3

Undergrad Formation of surface charge densities on wires in simple DC circuits

  • Strafespar
  • · Replies 4 ·
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4

Undergrad Magnet Through Coil Clarification

  • aseylys
  • · Replies 1 ·
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1

Undergrad Electric Field Propogation in LIGHT

  • san203
  • · Replies 28 ·
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28

Graduate Trouble understanding this derivation of Faraday's law

  • chipotleaway
  • · Replies 11 ·
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11

Undergrad Do Quarks Contribute to the Production of EM Waves?

  • keepit
  • · Replies 3 ·
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3

Graduate How Does Gauss' Law Apply to Nested Spherical Surfaces with Varying Radii?

  • elis02
  • · Replies 2 ·
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2

Undergrad Electricity - AC generation, supply and return question

  • James MEng
  • · Replies 10 ·
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10

Undergrad Do Magnetic Fields Exist in All 3 Cases?

  • goodname
  • · Replies 30 ·
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Undergrad What is meant by the input impedance of a voltage source?

  • Zarquon
  • · Replies 5 ·
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5

Graduate Mass spectroscopy and electromagnetic radiation

  • Borek
  • · Replies 2 ·
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2

Undergrad Current Entering And Leaving Battery

  • harshraj216
  • · Replies 4 ·
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4

Graduate How Does Force Convert to Energy in Electromagnetism?

  • ShayanJ
  • · Replies 2 ·
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2

Undergrad Electric fields and a spherical surface

  • rmfw
  • · Replies 7 ·
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7

Graduate Electric field Phase change upon rarer to denser reflection of an EM

  • ns_phonon
  • · Replies 1 ·
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1

Graduate How to calculate speed voltage from Maxwell's laws

  • darkfeffy
  • · Replies 2 ·
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2

Graduate What Are the Limitations of Ampere's Law in Calculating Magnetic Fields?

  • Nick O
  • · Replies 6 ·
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6

Undergrad Does nature behave according to the right hand rule?

  • jaydnul
  • · Replies 10 ·
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10

Undergrad Electric fields and mean free path?

  • hobbs125
  • · Replies 1 ·
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1

Graduate Does the vacuum of space have finite electrical resistance?

  • serp777
  • · Replies 7 ·
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7

Graduate How Does Charge Redistribution Occur in Isolated Conductors?

  • tolove
  • · Replies 27 ·
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27

Undergrad What is the difference between magnetic dipole moment and torque ?

  • B4ssHunter
  • · Replies 5 ·
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5

Graduate Coulomb force and the self electric field

  • mma
  • · Replies 12 ·
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12

Graduate Accelerated charge inside sphere (again)

  • johne1618
  • · Replies 1 ·
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1

Graduate Does one of Maxwell's equations describe this magnetic field?

  • hyperion4
  • · Replies 6 ·
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6

Undergrad How do electrons behave when exposed to heat and magnetic fields?

  • bobie
  • · Replies 12 ·
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12

Graduate Photons, QFT and electric generators

  • 14shreyas
  • · Replies 1 ·
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1

Undergrad Zero electric field within wire of zero resistance.

  • Strafespar
  • · Replies 12 ·
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12

Graduate Electron configuration, magnetism, and unpaired electrons

  • Qube
  • · Replies 1 ·
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1

Undergrad Calculating the frequency of a photon

  • bobie
  • · Replies 4 ·
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4

Undergrad Calculating Force Between a Solenoid and a Cylindrical Magnet

  • abdo799
  • · Replies 7 ·
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7

Graduate Are There Negative Conductivities/Resistivities?

  • CanIExplore
  • · Replies 1 ·
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1

High School How to determine the direction of induced current in a solenoid?

  • tlfx1996
  • · Replies 1 ·
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1

Undergrad Visualising electromagnetic (radio) waves.

  • mark g
  • · Replies 7 ·
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7

Graduate How to Calculate the Magnetic and Electric Field

  • Philosophaie
  • · Replies 5 ·
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5

Undergrad How to apply Thevenin and Norton Model

  • SummerTime244
  • · Replies 4 ·
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4

High School Tesla Coils Detecting Vacuum Leaks: Why?

  • TalEly
  • · Replies 12 ·
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12

Graduate Variation of electric field to produce electric current

  • abdo799
  • · Replies 4 ·
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4

Graduate Surface charge density on a cylindrical cavity

  • rockbreaker
  • · Replies 3 ·
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