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Graduate Ice cube in an old Micro-oven giving visible electric shocks

  • soopo
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Undergrad Opening switch on inductor circuit in absolute vacuum

  • osnarf
  • · Replies 7 ·
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7

Undergrad What happens when a permanent magnet is wound with a copper wire

  • 270000
  • · Replies 2 ·
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2

Graduate Deriving the Claim: \sin^2\theta/r Conservation in Pulsar Gamma-Ray Emission

  • rbwang1225
  • · Replies 5 ·
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5

Undergrad How do change in magnetic flux induces emf in a coil ?

  • hanii
  • · Replies 2 ·
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2

Graduate Can permanent magnets be modeled as set of magnetic charges ?

  • Kahlua
  • · Replies 1 ·
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1

High School Question about the release of electrons

  • Kalrag
  • · Replies 8 ·
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8

Undergrad A question about energy carried by a electromagnetic wave

  • ckuze
  • · Replies 10 ·
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10

Undergrad Coulomb's law with more point charges than one

  • Lindsayyyy
  • · Replies 4 ·
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4

Graduate How Does the Magneto Caloric Effect Alter Internal Energy?

  • gursimran
  • · Replies 7 ·
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7

Undergrad Does a photon carry a magnetic field?

  • Kalrag
  • · Replies 37 ·
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37

Undergrad If an electrical generator ran forever would it eventually run out of electrons?

  • treehouse
  • · Replies 8 ·
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8

High School Potential Difference Between 12V Battery Terminals

  • khamaar
  • · Replies 3 ·
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3

Graduate How Can the Magnetic Vector Potential be Numerically Solved in the X-Y Plane?

  • merro
  • · Replies 7 ·
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7

Graduate Electrodynamics(?): finding position of particles in function of time?

  • WindScars
  • · Replies 2 ·
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2

Undergrad Less harmful electromagnetic waves

  • ductrungvn
  • · Replies 2 ·
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2

High School Understanding Magnetic Fields: How They Form and Impact Us

  • sciboudy
  • · Replies 21 ·
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21

Undergrad Using Magnets to Create Perpetual Motion?

  • eah2119
  • · Replies 11 ·
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11

High School Ohm's Law and AC Power: Explaining the Paradox

  • waqarrashid33
  • · Replies 3 ·
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3

Undergrad Understanding Electromagnetism: Clearing Up Concepts and Interactions

  • Deepak247
  • · Replies 14 ·
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14

Graduate Induced charg by chagr distribution

  • gabrielbhl
  • · Replies 3 ·
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3

Undergrad Some basic questions about magnetic field force on metal objects.

  • blargg
  • · Replies 2 ·
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2

Graduate Waveguides, cavities and circuits

  • RedX
  • · Replies 5 ·
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5

Undergrad What blocks electromagnetic waves in the double-slit experiment?

  • IronHamster
  • · Replies 16 ·
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16

High School Electromagnets Repelling Metal

  • Kalrag
  • · Replies 5 ·
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5

Graduate Lorentz force of a charged particle between moving parallel conductors

  • gilbertopin
  • · Replies 19 ·
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19

Graduate Dear Physics Forum,I have currently been reading Charles Carrolls

  • Futureismine
  • · Replies 2 ·
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2

Graduate Electromagnetic wave, energy and universe

  • lovetruth
  • · Replies 10 ·
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10

Undergrad Induce current from inside of a pipe.

  • Gaute
  • · Replies 1 ·
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1

Undergrad I just noticed that we tend to call EM wavelengths shorter than

  • jacket250
  • · Replies 1 ·
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1

Graduate If you saturated the air with salt, it becomes dielectric?

  • Strangeline
  • · Replies 3 ·
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3

Graduate Can complex analysis be used in classical electrodynamics?

  • dingo_d
  • · Replies 4 ·
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4

High School What is the difference between resistance and resistivity ?

  • sankalpmittal
  • · Replies 4 ·
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4

High School Magnet attached to boat, would it work?

  • Ungort
  • · Replies 8 ·
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8

Undergrad Is there any possibility that the high voltages needed for lightning

  • arydberg
  • · Replies 13 ·
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13

Undergrad Creating a magnetic ring field question

  • oliver102
  • · Replies 6 ·
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6

Graduate I'm trying to understand how an electron microscope works

  • Strangeline
  • · Replies 3 ·
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3

Graduate Cancellation of Poynting vector components

  • Karthiksrao
  • · Replies 2 ·
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2

Graduate Deriving Quadrapole Expansion of Charge Distribution

  • yungman
  • · Replies 4 ·
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4

Undergrad Centre of Charge: What Is It & How Can I Take It?

  • jerry94
  • · Replies 1 ·
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1

Undergrad High Voltage Low current from a step up transformer

  • john liang
  • · Replies 4 ·
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4

Undergrad Electromagnetic mass vs its velocity

  • cryptoxicon
  • · Replies 7 ·
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7

Undergrad Dimension of the electric charge

  • umut
  • · Replies 3 ·
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3

Undergrad Induced magnetism or Induced e.m.f.

  • Kyoma
  • · Replies 9 ·
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9

Undergrad Electrodynamics- energy required for 2 charges approaching

  • Mokha75
  • · Replies 2 ·
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2

Graduate Electric & Magnetic fields - inner product

  • thehangedman
  • · Replies 2 ·
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2

Undergrad Why doesn't an AC voltage converter work for DC?

  • Strangeline
  • · Replies 3 ·
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3

Graduate Analytical Solution to a Magnetic Field

  • hylander4
  • · Replies 5 ·
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5

Undergrad Power Transmission via AC current

  • timthereaper
  • · Replies 6 ·
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6

Graduate Dielectrics: Guass Law & Polarization Charge Density

  • y.moghadamnia
  • · Replies 1 ·
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1

Graduate Can aluminum alter the B field in a dielectric?

  • cragar
  • · Replies 4 ·
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4

Undergrad How Does Lightning Induce Voltage Spikes in Power Lines?

  • RedX
  • · Replies 1 ·
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1

Graduate Magnetic Field of High Speed Ions

  • Drakkith
  • · Replies 22 ·
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22

Undergrad Magnetism more important than electricity

  • KingAntikrist
  • · Replies 8 ·
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8

Graduate Question in Electric field of a moving point charge

  • yungman
  • · Replies 9 ·
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9

Undergrad Calculating Magnetic Field of Square Loop: Questions Answered!

  • Planck const
  • · Replies 3 ·
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3

Graduate By definition, superconductors are conductors with zero resistance at

  • logearav
  • · Replies 3 ·
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3

Graduate Coulomb Gauge vs. Lorentz Gauge transformation

  • kthouz
  • · Replies 4 ·
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4

Undergrad Active sonar and submarines, acoustics

  • Nikitin
  • · Replies 13 ·
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13

Graduate Why don't dielectric materials radiate?

  • nonequilibrium
  • · Replies 8 ·
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8

Undergrad Why Does Adding an Opposite Point Charge Affect Electric Field Strength?

  • Millsworth
  • · Replies 6 ·
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6

Undergrad Magnetic moment and magnetic torque of a current loop

  • Gavo
  • · Replies 2 ·
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2

Graduate Coulomb's Law from vector identities

  • ralqs
  • · Replies 3 ·
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3

Graduate Skin depth of zero thickness in DC circuits

  • fisico30
  • · Replies 3 ·
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3

Undergrad Volume of Electrons -2 Particles in Motion

  • limitkiller
  • · Replies 35 ·
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35

High School Permanent Magnet Lifespan: Calculating Its Duration

  • SciencePF
  • · Replies 18 ·
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18

Undergrad Magnetization of a material with linear susceptibility

  • hylander4
  • · Replies 6 ·
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6

Undergrad How do natural frequency sensors measure solid and vessel frequency?

  • usmanmalik
  • · Replies 4 ·
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4

Graduate Electron Ionisation: Electric Field Interaction & Efficiency

  • Orlando
  • · Replies 1 ·
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1

Undergrad Human body and static electricity

  • vinniewryan
  • · Replies 3 ·
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3

Undergrad Frequency in oscillating membrane

  • liquidFuzz
  • · Replies 11 ·
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11

Undergrad Light as an EM wave to explain photoelectric effect?

  • physJUNKIE89
  • · Replies 14 ·
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14

Undergrad Can Solenoids Enhance Railgun Performance?

  • Waterfox
  • · Replies 4 ·
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4

Undergrad Electric Potential and Electric Potential Energy

  • torquemada
  • · Replies 1 ·
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1

Graduate Kinetic energy of electron in non-uniform B?

  • jason12345
  • · Replies 4 ·
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4

Graduate Deriving Lorentz Force Formula: Explanation of Elementary Electromagnetics

  • karlzr
  • · Replies 4 ·
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4

High School Do electrons flow in one direction in magnets?

  • Kannonball
  • · Replies 7 ·
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7

Graduate Benefits of using a superconductor to create a magnetic field at 77K

  • trini
  • · Replies 19 ·
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19

Undergrad Calculating Magnet Deceleration in a Moving Coil

  • Ponkeli
  • · Replies 6 ·
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6

High School Why electronics do not use AC.

  • Virogen
  • · Replies 54 ·
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54

Graduate Confussion about Del operator for field point vs source point.

  • yungman
  • · Replies 2 ·
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2

Graduate What is the relationship between permeability and dielectric constant?

  • amaresh92
  • · Replies 1 ·
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1

Graduate Is There a Limit to How Fast We Can Accelerate Into an Incident Photon?

  • Criticalmass
  • · Replies 18 ·
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18

Graduate Electromagnetic energy injected into combustion process?

  • hobbs125
  • · Replies 2 ·
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2

Undergrad Electric charge is a theoretical given. .

  • AmagicalFishy
  • · Replies 28 ·
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28

Undergrad What is the force between the two (AC) current carrying conductors?)

  • rampriya1729
  • · Replies 1 ·
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1

High School Problem in determinig Poles of a Solenoid

  • hsn1
  • · Replies 3 ·
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3

Graduate Measuring Air Permittivity: Change in Density

  • Calvin Cox
  • · Replies 7 ·
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7

Undergrad What is the Skin Effect and How Does It Impact Electron Flow in Wires?

  • cragar
  • · Replies 4 ·
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4

Undergrad Can Magnetic Fields decelerate a charged particle?

  • IronHamster
  • · Replies 10 ·
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10

Undergrad Passing current through a magnet

  • Ynsgfnsv
  • · Replies 1 ·
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1

High School What is Charge and Why Do Ions Have Positive or Negative Potential?

  • AudioFlux
  • · Replies 71 ·
3
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Graduate Electric field of an accelerated charge

  • ShayanJ
  • · Replies 13 ·
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13

Undergrad Current limited power supply and Ohm's law

  • uby
  • · Replies 6 ·
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6

Graduate Using divergence theorem to prove Gauss's law

  • demonelite123
  • · Replies 10 ·
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10

High School Electric Circuits: Current Source & EMF

  • MartinV05
  • · Replies 9 ·
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9

Graduate Construction Cranes Radio Frequency Induction

  • SafetyConsult
  • · Replies 34 ·
2
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34

Undergrad Self Energy of Charges: Explained

  • bsrishu
  • · Replies 1 ·
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1

Undergrad Electric potential continuous at boundaries?

  • CheMech
  • · Replies 2 ·
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2

Undergrad How to calculate heat flux in a hot water tank

  • chetanladha
  • · Replies 3 ·
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3