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Graduate Small question about maxwell's equation curl of H

  • Tom 4 billion tom
  • · Replies 4 ·
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4

Undergrad Eddy Current Speedometer Experiment

  • Thomas Rugh
  • · Replies 1 ·
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1

Undergrad Why does a resistive wire heat up from current flow?

  • cosmik debris
  • · Replies 8 ·
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8

Undergrad Poynting's Theorem in Griffiths' Electrodynamics

  • Zubair Ahmad
  • · Replies 3 ·
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3

Undergrad Will water flow ever stop if we increase resistance?

  • Gabriele99
  • · Replies 4 ·
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4

High School Is like currents of opposite charge attract or repel each other?

  • Sandeep T S
  • · Replies 3 ·
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3

Undergrad Polarity of magnetic field in a conducting wire

  • acrossingtwo
  • · Replies 2 ·
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2

Undergrad How do you calculate voltage from Coulomb’s equation?

  • Nads
  • · Replies 3 ·
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3

Undergrad Why is there interference if EM waves don't interact?

  • Phys12
  • · Replies 9 ·
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9

Undergrad Xc and XL relation after a change of frequency

  • Tegalad
  • · Replies 3 ·
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3

Undergrad Electromagnetic waves and other waves

  • YanYan
  • · Replies 4 ·
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4

High School Current Flow Through a Common Part of a Circuit (batteries and light bulbs)

  • rugerts
  • · Replies 18 ·
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18

Undergrad Boundary conditions for displacement vector D

  • Zubair Ahmad
  • · Replies 5 ·
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5

Undergrad If charge is decreasing with time then we write I =-dq/dt.

  • Zubair Ahmad
  • · Replies 6 ·
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6

Graduate Electromagnetism and special relativity

  • dRic2
  • · Replies 9 ·
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9

Undergrad Speed, energy, power and air resistance

  • Patrick Pihl
  • · Replies 4 ·
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4

Undergrad Poynting Theorem: What Does it Physically Mean?

  • Zubair Ahmad
  • · Replies 1 ·
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1

Graduate Gravity and radiation from charge

  • sweet springs
  • · Replies 5 ·
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5

Undergrad Wire loop in a static homogeneous field question

  • girts
  • · Replies 8 ·
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8

Undergrad Monitor restarts when I make an electric arc

  • Crystal Fever
  • · Replies 1 ·
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1

Undergrad Magnetic field of a circular electromagnet?

  • kolleamm
  • · Replies 7 ·
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7

Graduate Magnetic flux is the same if we apply the Biot Savart?

  • mertcan
  • · Replies 57 ·
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57

Undergrad Current Carrying Wires: How Ampere's Law Affects Safety

  • palkia
  • · Replies 4 ·
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4

High School Signal Attenuation (capacitive pickup)

  • John Davidson
  • · Replies 5 ·
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5

High School In layman's terms , how strong is a 3 Tesla Magnet?

  • Tech2025
  • · Replies 4 ·
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4

Undergrad Calculating induced voltage in two parallel conductors

  • Steve Wetzel
  • · Replies 7 ·
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7

Undergrad Voltage drop conceptual questions

  • PhysicsInNJ
  • · Replies 10 ·
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10

Graduate Do photons carry the electric field?

  • Robert Leslie
  • · Replies 2 ·
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2

High School Q: Generating Electricity with Charged Objects

  • Aliam1
  • · Replies 6 ·
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6

Undergrad Iron bar wrapped with a solenoid

  • Scrope
  • · Replies 1 ·
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1

Undergrad Dielectric constant of air with temperature change

  • Antenna_Ed
  • · Replies 3 ·
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3

Undergrad Suspend a magnet on a pendulum above a repelling magnet

  • Happyholland
  • · Replies 1 ·
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1

Graduate What Molecular Mechanisms Cause Different Arc Phenomena in High Electric Fields?

  • Andy Kay
  • · Replies 2 ·
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2

Undergrad Does electric charge bend anything?

  • Prof Sabi
  • · Replies 15 ·
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15

Graduate An interesting question about the divergence of a current density

  • mertcan
  • · Replies 10 ·
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10

Graduate Saturation voltage for photoelectric current

  • FranzDiCoccio
  • · Replies 16 ·
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16

Graduate Force on a ferrous object in a saturating magnetic field

  • synch
  • · Replies 9 ·
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9

High School Effects of a discovery of the monopole

  • Somali_Physicist
  • · Replies 3 ·
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3

Graduate Electromagnetic field and frequency

  • sweet springs
  • · Replies 3 ·
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3

Graduate How are Maxwell equations satisfied in Raman scattering?

  • fluidistic
  • · Replies 3 ·
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3

Graduate Curious question regarding Faraday disc / induction, etc.

  • girts
  • · Replies 9 ·
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9

Graduate Electrical conductivity of liquid argon

  • doctor_cat
  • · Replies 12 ·
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12

High School Forward Biased Diode: Potential Rise vs Battery

  • Hydrous Caperilla
  • · Replies 6 ·
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6

Graduate Is Feynman's "flux rule" a popular name?

  • sweet springs
  • · Replies 6 ·
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6

Graduate Evidence for global magnetic grid or pseudo science?

  • Flayrah
  • · Replies 6 ·
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6

Graduate Understanding the Coaxial Inductor: A Study of its Electric and Magnetic Fields

  • slow
  • · Replies 1 ·
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1

High School How do phone chargers work? (thin cable question)

  • Cheesycheese213
  • · Replies 4 ·
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4

Graduate Formal difference between electrostatics and magnetostatics

  • Hypercube
  • · Replies 6 ·
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6

Graduate Electric Field of a Line of Charge

  • Sarah Kumar
  • · Replies 2 ·
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2

Undergrad Understanding the Relationship Between Magnetic Field Lines and Force

  • APUGYael
  • · Replies 14 ·
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14

High School When Can We Use the Right Hand Rule to Find Magnetic Field Direction?

  • Schfra
  • · Replies 9 ·
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9

Graduate Lorentz transformation and Lorentz force

  • sweet springs
  • · Replies 4 ·
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4

Undergrad Current & Ohm's Law: Continuous vs Discrete?

  • Schfra
  • · Replies 11 ·
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11

Graduate What Happens to Orbital and Spin Momentum of Free Electrons in Iron?

  • cronnin
  • · Replies 2 ·
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2

Graduate Inductance of a Solenoid Around a Conducting Sphere?

  • Who Am I
  • · Replies 9 ·
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9

High School Analogy for Electrical potential

  • bolzano95
  • · Replies 2 ·
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2

Undergrad Electric Potential due to a single point charge

  • Sunanda
  • · Replies 17 ·
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17

Undergrad Potential Energy of an Electron near a negative source charge

  • Murphy.T
  • · Replies 10 ·
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10

High School Instrument to measure the frequency of sound

  • Dong Min
  • · Replies 11 ·
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11

Graduate Modeling an Einstein solid that is coupled to a paramagnet

  • Ron Burgundypants
  • · Replies 1 ·
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1

Graduate Transformer under an external magnetic field.

  • carllacan
  • · Replies 21 ·
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21

Undergrad Basic question about Halbach magnet array

  • berned_you
  • · Replies 7 ·
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7

Undergrad AC magnetic field and how an electric motor works....

  • Leyden
  • · Replies 2 ·
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2

Graduate Is Poynting vector the electromagnetic density of momentum?

  • SergioPL
  • · Replies 4 ·
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4

Graduate Jump conditions for electric field across an interface

  • Shivam Sinha
  • · Replies 6 ·
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6

Undergrad Faraday's Law--Confusion about terms in the integrals

  • dyn
  • · Replies 12 ·
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12

High School Hot metal lid on cool surface has resistance when pulled up

  • AMan24
  • · Replies 1 ·
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1

Undergrad Calculating Rotating Magnetic Field

  • Juan Andrew
  • · Replies 1 ·
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1

Undergrad Calculating the flux from a flashlight

  • Phys12
  • · Replies 12 ·
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12

High School Current in Series Circuit: .5A Charge Flow?

  • FS98
  • · Replies 25 ·
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25

Undergrad What does electrical PE turn into when charges attract?

  • CuriousBanker
  • · Replies 2 ·
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2

Undergrad Ohmic and non-Ohmic conductors

  • FS98
  • · Replies 13 ·
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13

High School Does Ohm's Law Apply to a Circuit with Current but No Voltage?

  • FS98
  • · Replies 7 ·
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7

Undergrad Calculating Magnetic Field Strength in a Stator DC Motor

  • Juan Andrew
  • · Replies 1 ·
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1

Undergrad Why Are Electric Field Components Ex and Ey Zero in Wave Equation Solutions?

  • dyn
  • · Replies 1 ·
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1

High School Meaning of Current in Ohm's law

  • FS98
  • · Replies 11 ·
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11

Undergrad Is it possible to transmit frequency of a solid object?

  • John mcgarvie
  • · Replies 2 ·
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2

Undergrad Is there a magnetic field in a capacitor during leakage or discharge?

  • Anurag00
  • · Replies 8 ·
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8

High School What's the relationship btw frequency, wavelength, and temp?

  • jwkhjang
  • · Replies 4 ·
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4

Undergrad Does current flow back to the power plant through the ground?

  • greypilgrim
  • · Replies 20 ·
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20

High School Stopping a battery from shorting (while driving a magnetic coil)

  • burntoastt
  • · Replies 6 ·
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6

High School What causes a voltage drop over a resistor?

  • FS98
  • · Replies 21 ·
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21

Graduate Altered inductance around a solenoid in a cryostat (from Eddy currents?)

  • Ron Burgundypants
  • · Replies 1 ·
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1

High School Homemade electromagnet, considerations - strength

  • burntoastt
  • · Replies 6 ·
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6

High School Positive/negative electron transfer?

  • Cheesycheese213
  • · Replies 2 ·
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2

Graduate Electric Field induced by a Magnetic Field inside a Solenoid

  • shj
  • · Replies 2 ·
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2

Graduate Are flux vortices predictable?

  • DariusP
  • · Replies 2 ·
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2

Undergrad Elementary Charge: Explaining the Integer Multiple of e

  • matangi7
  • · Replies 13 ·
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13

High School Voltage Variation in a Series Circuit

  • FS98
  • · Replies 9 ·
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9

Graduate The Relationship between Magnets and Magnetic Forces

  • Galois314
  • · Replies 12 ·
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12

Undergrad How Do Attractive and Repulsive Electromagnetic Forces Combine in Contact Force?

  • rahaverhma
  • · Replies 7 ·
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7

Graduate Weber induction force and EMF

  • negut constantin
  • · Replies 2 ·
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2

Graduate Is force, which we show, right on test charge

  • rahaverhma
  • · Replies 6 ·
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6

Undergrad Why no induced current when these coils are stationary?

  • Mariah
  • · Replies 2 ·
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2

Graduate Magnet's force on a metal ball

  • sergiokapone
  • · Replies 1 ·
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1

Graduate Permittivity in Gauss' law and Ampere's law

  • Conductivity
  • · Replies 2 ·
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2

High School Determining the direction of electric field lines

  • asilvester635
  • · Replies 5 ·
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5

Undergrad When was it proven that light is an electromagnetic wave?

  • swampwiz
  • · Replies 2 ·
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2

Graduate Electric field experienced by a uniformly charged spherical shell due to itself

  • Likith D
  • · Replies 8 ·
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8

High School How does the transfer of electric forces between two objects work

  • asilvester635
  • · Replies 3 ·
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3