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Undergrad DC Bias on Capacitors: Will It Work?

  • Samson4
  • · Replies 2 ·
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2

Graduate Electromagnetic radiation pressure

  • Small bugs
  • · Replies 1 ·
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1

Graduate When can I use Helmholtz equation for electromagnetics

  • Jeffrey Yang
  • · Replies 3 ·
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3

Graduate Marginal inductance and capacitance of a real wire?

  • kostoglotov
  • · Replies 8 ·
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8

Undergrad Why isn't this largest voltage source given as negative?

  • kostoglotov
  • · Replies 1 ·
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1

Undergrad Circulation of a Mag field around a wire, what is the angle?

  • Sara Kennedy
  • · Replies 1 ·
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1

Graduate How can a volume integral yield a vector field?

  • rcmps772
  • · Replies 8 ·
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8

Graduate LH vs Gaussian units in Biot-Savart Law

  • avikarto
  • · Replies 3 ·
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3

Undergrad Magnetic permeability Vs. Magnetic susceptibility

  • Keith
  • · Replies 3 ·
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3

Undergrad Why does Ohm's law not apply to transformers?

  • AsrielDreemurr
  • · Replies 6 ·
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6

Graduate Earthing of a System of Parallel Metal Plates

  • gracy
  • · Replies 18 ·
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18

Undergrad Can Gauss Be Converted to A/m?

  • lightarrow
  • · Replies 2 ·
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2

Undergrad Which Way Does the Current Inside the Earth Flow?

  • Hornbein
  • · Replies 1 ·
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1

Graduate Nonlinear electric susceptibility and degenerate frequencies

  • Yorre
  • · Replies 3 ·
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3

Graduate Compress ions in velocity space with magnetic field?

  • Sven Andersson
  • · Replies 1 ·
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1

Graduate Accelerating charge emits em waves or pulse

  • God Plays Dice
  • · Replies 6 ·
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6

Graduate An Implementation of Maxwell's Demon

  • Hornbein
  • · Replies 1 ·
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1

Graduate Striations in cathode ray discharge

  • Plat
  • · Replies 3 ·
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3

Graduate How Does a High-Intensity Laser Interact with an Electron Cloud?

  • God Plays Dice
  • · Replies 3 ·
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3

Graduate Gauge Invariance for field of *Uncharged* particles?

  • LarryS
  • · Replies 3 ·
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3

Undergrad Why energy is lost in capacitor if wires have no resistance?

  • Dexter Neutron
  • · Replies 11 ·
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11

Undergrad Magnetic field and electrical fields

  • nnope
  • · Replies 1 ·
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1

Graduate Maximum negative voltage of a sphere?

  • G Cooke
  • · Replies 2 ·
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2

Undergrad Understanding Electric Fields and Work Done to Move Charges

  • TheArun
  • · Replies 7 ·
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7

Undergrad What happens of charges on other side of plates of capacitor

  • Dexter Neutron
  • · Replies 4 ·
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4

Graduate Why does Lorentz force have that particular direction?

  • marcgrissz
  • · Replies 1 ·
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1

Undergrad Electric & Magnetic Fields Out of Phase: Why?

  • Shailesh Pincha
  • · Replies 5 ·
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5

Graduate Phase of Time Varying E-M Fields

  • ElectricKitchen
  • · Replies 2 ·
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2

Graduate Electromagnetic radiation vs Capacitance and Inductance

  • marciokoko
  • · Replies 16 ·
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16

Graduate How to derive formula for capacitance of spherical capacitor

  • Dexter Neutron
  • · Replies 11 ·
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11

Undergrad Force/Torque frequency proportional to current frequency

  • jcesar1029
  • · Replies 2 ·
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2

Graduate Calculating Electric Potential with Method of Images

  • aaaa202
  • · Replies 12 ·
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12

Undergrad Why do we need to cross product Q*V with magnetic field to calculate force?

  • Amr Elsayed
  • · Replies 10 ·
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10

High School Magnets - looking for help with school project

  • Tom821
  • · Replies 2 ·
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2

Graduate Electrical Fields within the body

  • nnope
  • · Replies 4 ·
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4

Graduate Solution to Laplace's equation in parabolic coordinates

  • jimjam1
  • · Replies 11 ·
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11

High School Understanding Back EMF: What is it & What Does it Do?

  • Amr Elsayed
  • · Replies 3 ·
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3

High School Where to Find Brief High School Level Resources on Electromagnetism Topics?

  • Amr Elsayed
  • · Replies 1 ·
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1

Undergrad Electrons: Wave & Particle Movement Explained

  • brian.green
  • · Replies 3 ·
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3

Undergrad Differences in grounding and returning a circuit?

  • Gresham Conway
  • · Replies 5 ·
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5

High School Electromagnetic Force in Newtons

  • Einstein's Cat
  • · Replies 5 ·
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5

Undergrad Choosing a capacitor based on desired output pulse

  • Undacuva
  • · Replies 2 ·
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2

Undergrad Electric field between a needle and a plate

  • Mniazi
  • · Replies 4 ·
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4

Graduate Electric field at a conducting surface?

  • bubblewrap
  • · Replies 9 ·
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9

Graduate Capacitors in series -- microscopic view

  • cnh1995
  • · Replies 22 ·
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22

High School Electric potential difference vs. voltage drop

  • kjamha
  • · Replies 17 ·
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17

Graduate Electromagnetic gauge invariance with boundary conditions

  • Xezlec
  • · Replies 8 ·
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8

Undergrad Charged particle hitting electric field at angle?

  • Intle
  • · Replies 9 ·
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9

Graduate What is the electric field due to hollow sphere at R=z?

  • flux!
  • · Replies 5 ·
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5

Graduate Embedding Charge in an Insulator

  • nlantz
  • · Replies 8 ·
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8

Graduate Magnetic field cannot accelerate a rest charged particle?

  • brian.green
  • · Replies 3 ·
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3

Graduate Maxwell-Boltzmann accounts for identical particles?

  • Coffee_
  • · Replies 8 ·
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8

Graduate Confusion with the divergence of E fields

  • maNoFchangE
  • · Replies 4 ·
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4

Graduate Does Increasing Current Add Resistance in an Inductor?

  • kostoglotov
  • · Replies 3 ·
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3

Undergrad What Are the Key Differences Between Electron Volts and Volts in Physics?

  • Stephanus
  • · Replies 6 ·
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6

Undergrad Will a Magnet and Copper Tube Hourglass Be Accurate Due to Lenz's Law?

  • ljfe
  • · Replies 2 ·
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2

Undergrad Understanding Earthing: Impact on Charged Bodies & Charge Distribution

  • person_random_normal
  • · Replies 29 ·
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29

Undergrad Faraday Cage not blocking wifi

  • DzinVision
  • · Replies 7 ·
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7

High School How can you move with magnets?

  • Jakecp
  • · Replies 2 ·
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2

Graduate How is voltage on a sphere affected by edges?

  • G Cooke
  • · Replies 10 ·
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10

Graduate Changing the frame of reference

  • hamdal
  • · Replies 2 ·
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2

Graduate Honeycomb structure of oil due to an electric field

  • kiloNewton
  • · Replies 2 ·
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2

Undergrad Voltage or current in solenoid?

  • falling cat
  • · Replies 3 ·
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3

Graduate Question about Faraday's law of induction

  • space-time
  • · Replies 5 ·
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5

Graduate How optical axis is related to dielectric tensor?

  • AAS
  • · Replies 4 ·
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4

Undergrad How does looping a wire make it an inductor?

  • Allan Davis
  • · Replies 6 ·
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6

Graduate Electrons exposed to time-dependent force

  • M-Speezy
  • · Replies 4 ·
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4

Undergrad Direction of current when performing KCL

  • Martin V.
  • · Replies 6 ·
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6

Undergrad Direction of magnetic force between moving particles

  • Dale
  • · Replies 8 ·
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8

Undergrad Flux through distorted surface

  • gracy
  • · Replies 8 ·
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8

Graduate The force and torque between two permanent magnets?

  • flofelis
  • · Replies 5 ·
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5

Graduate Point charge inside a electrically neutral cavity in conduct

  • ELiT.Maxwell
  • · Replies 2 ·
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2

Undergrad Why the current in a loop is the same

  • Gbox
  • · Replies 3 ·
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3

Graduate Justification for the acceptance of Coulomb's law

  • Vinay080
  • · Replies 5 ·
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5

High School How does weight affect air resistance?

  • JBHFLAM
  • · Replies 14 ·
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14

Graduate [Electromagnetics] Dielectric boundary condition

  • kidsasd987
  • · Replies 1 ·
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1

High School Electrostatic Fields: Proton Attracts Electrons

  • brian.green
  • · Replies 6 ·
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6

Graduate Fermat's principle can be derived from Maxwell equations?

  • PFfan01
  • · Replies 7 ·
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7

Graduate Lenz's Law applied to a non-circuit conductor?

  • kostoglotov
  • · Replies 1 ·
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1

Undergrad Spherical Capacitors: Large Radii & Close Together

  • gracy
  • · Replies 9 ·
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9

Graduate Modes orthogonality in a dielectric slab

  • EmilyRuck
  • · Replies 3 ·
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3

Undergrad Why does the plate have to be infinite?

  • Moazin Khatri
  • · Replies 5 ·
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5

Graduate Flux Vectors of One E-: Force Vectors or Scalar Quantity?

  • brian.green
  • · Replies 1 ·
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1

Graduate Simple pendulum with Charged bobs

  • gracy
  • · Replies 1 ·
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1

Graduate Missing a Factor of 2 in a Poynting Vector Verification

  • the-brammo
  • · Replies 4 ·
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4

Graduate How is effective distance calculated for charges in a dielectric medium?

  • gracy
  • · Replies 8 ·
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8

Undergrad Efficient Switch Synchronization for Remote Switches

  • fredreload
  • · Replies 6 ·
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6

Graduate How to show that the two EM invariants are a complete set?

  • bcrowell
  • · Replies 6 ·
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6

Graduate The effects of bound and free charge on a metal surface

  • TheCanadian
  • · Replies 4 ·
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4

Undergrad Connecting two circuits with a single conductor

  • TheCanadian
  • · Replies 3 ·
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3

Graduate Electric Field in an Electrolyte

  • Samson4
  • · Replies 1 ·
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1

High School What Happens to the Energy in an Electromagnet When Turned Off?

  • Moazin Khatri
  • · Replies 13 ·
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13

High School Are Fields Real or Just Ad Hoc in Science?

  • Yashbhatt
  • · Replies 8 ·
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8

Undergrad Could one use magnets to create friction and thrust

  • nomad2415
  • · Replies 3 ·
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3

Graduate Meaning of zero/infinite impedance

  • TheCanadian
  • · Replies 2 ·
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2

Graduate Are all electrons perfectly identical?

  • Xalkias
  • · Replies 21 ·
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21

Graduate How Does Earthing Affect Charge Distribution on Spherical Shells?

  • gracy
  • · Replies 54 ·
2
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54

Graduate Magnetic waves/fields that precede cold weather fronts....

  • Paul Schuster
  • · Replies 47 ·
2
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47

Undergrad Ampere's law with current loop

  • Sturk200
  • · Replies 1 ·
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1

Graduate Electric field: infinite sheet vs infinite plane

  • gmark
  • · Replies 7 ·
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7