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Undergrad Does magnetic energy storage with iron cores result in greater energy recovery?

  • Rework
  • · Replies 9 ·
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9

Undergrad Confusion about two modes of coupled oscillators having same frequency

  • PrathameshR
  • · Replies 2 ·
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2

High School How does a magnet's magnetic field work?

  • Aliam1
  • · Replies 2 ·
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2

Graduate Energy in a Magnetic Field (SMES Core Question)

  • Rework
  • · Replies 18 ·
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18

Undergrad Building a Hydroelectric Dam Project for Grade 7 Students

  • FA22raptero
  • · Replies 2 ·
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2

Undergrad Using Gauss's Law to Calculate Electric Field of a Charged Thread

  • Guillem_dlc
  • · Replies 5 ·
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5

Undergrad Only one pole in a horseshoe magnet

  • Fiona Rozario
  • · Replies 4 ·
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4

Graduate Creating a 2-D Electrostatic Field

  • doggydan42
  • · Replies 4 ·
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4

Undergrad Voltage across a Capacitor More than the Source Voltage?

  • goldensquid2000
  • · Replies 9 ·
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9

Undergrad Lorentz force and linear motors

  • rishi kesh
  • · Replies 1 ·
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1

High School Are 2 bar magnets stuck together, twice as strong?

  • pkc111
  • · Replies 8 ·
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8

High School Plasma ball electric shock mystery

  • Herbert Cheung
  • · Replies 5 ·
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5

Graduate Potential near the center of a charged hollow sphere

  • Gene Naden
  • · Replies 2 ·
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2

Undergrad Dielectric Constant: Does Positive Matter?

  • niko_.97
  • · Replies 1 ·
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1

Graduate Electric field due to current carrying conductor

  • pranav p v
  • · Replies 2 ·
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2

Graduate Acoustic electron trap question

  • girts
  • · Replies 17 ·
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17

Undergrad Phase differences in Transformers

  • ShiroShibuya
  • · Replies 3 ·
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3

Undergrad Counterexample to the Poynting theorem

  • goran d
  • · Replies 11 ·
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11

Graduate Apparent ambiguity in the E field direction in Faraday's Law

  • scoomer
  • · Replies 16 ·
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16

High School Why do more magnets affect how long a homopolar motor spins?

  • Julie
  • · Replies 6 ·
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6

High School Why the voltage on the primary coil changes in an induction stoveplate?

  • Karagoz
  • · Replies 7 ·
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7

Undergrad Electric field on Gaussian surface due to external charge

  • NoahCygnus
  • · Replies 8 ·
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8

Graduate Converting Electromagnetic Units: Gaussian to Superfluous Systems

  • gerald V
  • · Replies 2 ·
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2

Undergrad Gauss’ law and Enclosed Charges

  • FS98
  • · Replies 7 ·
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7

Graduate Direction of induced electric field?

  • PumpkinCougar95
  • · Replies 12 ·
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12

Graduate I have a problem with Maxwell's demon

  • bland
  • · Replies 8 ·
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8

Undergrad Short Circuiting the Secondary of a Transformer/Self Impedence

  • Cardinalmont
  • · Replies 17 ·
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17

Undergrad What is "magnetic or polarizable media"?

  • gibberingmouther
  • · Replies 2 ·
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2

Undergrad Are charged batteries heavier?

  • rootone
  • · Replies 51 ·
2
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51

Graduate Ions passing through a parallel plate capacitor with a varying voltage

  • LuisP
  • · Replies 8 ·
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8

Undergrad Understanding Free Electrons: Movement and Interaction with Nonconductors

  • ggandy
  • · Replies 6 ·
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6

Undergrad Magnetic field strength at a distance

  • noname12345
  • · Replies 14 ·
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14

Graduate Electrodynamics: questions about vector and scalar potentials....

  • Aleberto69
  • · Replies 1 ·
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1

Graduate Radiation from an infinite current sheet

  • scoomer
  • · Replies 9 ·
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9

Undergrad Electric field inside a conductor

  • FS98
  • · Replies 13 ·
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13

Undergrad Electric potential and voltage in a circuit

  • FS98
  • · Replies 6 ·
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6

Graduate Derivation of magnetic field of a Solenoid: Biot savart law

  • Conductivity
  • · Replies 3 ·
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3

Undergrad What is the Significance of the Electric field in a closed circuit

  • Muhammad Usman
  • · Replies 5 ·
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5

Undergrad Measuring the Force Required to Separate Two Magnets at a Distance

  • Dion
  • · Replies 5 ·
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5

High School Does the Drude Model Account for J Cross B Force in Hall Conductivity?

  • chandrahas
  • · Replies 2 ·
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2

Graduate How does charge behave in a moving object?

  • atmost20characters
  • · Replies 9 ·
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9

Undergrad EM waves in phase and E/B = c question

  • cosmogrl
  • · Replies 4 ·
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4

Graduate What charges generate EM waves in free space?

  • Kaushik Classes
  • · Replies 7 ·
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7

Undergrad Energy of a Capacitor: Basics & Explanation

  • Hydrous Caperilla
  • · Replies 22 ·
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22

Undergrad Question regarding Hardness and Wear Resistance

  • dovidu
  • · Replies 15 ·
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15

Undergrad Disconnected vs Connected parallel plate capacitor

  • plindle
  • · Replies 1 ·
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1

Undergrad Flux in a Uniform Magnetic Field

  • Cardinalmont
  • · Replies 4 ·
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4

Graduate Force between parallel plates of set voltage

  • soothsayer
  • · Replies 3 ·
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3

Graduate Confusion about the Energy Density of EM waves

  • PumpkinCougar95
  • · Replies 4 ·
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4

Undergrad Is my attempt to derive Gauss' law correct?

  • SothSogi
  • · Replies 9 ·
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9

Undergrad Do rare earth magnets interfere with RF?

  • Jakevsnake
  • · Replies 7 ·
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7

Graduate Solving Maxwell's Equations for Electric Field of AC Wire

  • nlis12
  • · Replies 11 ·
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11

Undergrad Why isn't a capacitor an open circuit?

  • Alex Hughes
  • · Replies 7 ·
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7

High School What is electricity made out of?

  • doglover9754
  • · Replies 43 ·
2
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43

High School Integration Bounds for E-field Calcualtion

  • Ren Figueroa
  • · Replies 2 ·
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2

Graduate Is Gauss' Law for Magnetism Proven by Magnetic Field Lines?

  • Conductivity
  • · Replies 11 ·
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11

Undergrad Apparent disagreement between Coulomb's Law and Gauss' Law

  • shj
  • · Replies 4 ·
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4

Graduate Calculate magnetic potential of a given current density

  • TheBlueDot
  • · Replies 3 ·
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3

Undergrad When Electric Field is 0 is potential also 0?

  • Alex Hughes
  • · Replies 3 ·
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3

Undergrad Gauss's Law: Understanding the Role of E in Electric Field Calculation

  • FS98
  • · Replies 11 ·
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11

Undergrad Strange charging voltage behavior in a resistor-capacitor circuit

  • abdullah khaled
  • · Replies 2 ·
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2

Undergrad Understanding the Relationship between Electric Field Line Distance and Strength

  • FS98
  • · Replies 8 ·
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8

Graduate Who contributed to Maxwell's Equations and how?

  • aqwas
  • · Replies 1 ·
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1

Graduate What should be the electric field intensity inside a sphere

  • PKM
  • · Replies 4 ·
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4

Graduate Magnetic force on a current carrying wire

  • Biker
  • · Replies 15 ·
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15

Undergrad Question about Electrical Energy

  • CrazyCrux
  • · Replies 3 ·
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3

Undergrad How Does Gauss's Law Apply to an Infinite Charged Rod?

  • FS98
  • · Replies 4 ·
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4

Graduate Polarization-Magnetization Tensor

  • Vectronix
  • · Replies 4 ·
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4

Undergrad Flux with a non-uniform electric field

  • FS98
  • · Replies 2 ·
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2

Graduate Are the electrons in an electron microscope coherent?

  • gnnmartin
  • · Replies 18 ·
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18

Graduate Is Plate Capacitor Gap a "Non-linear" Medium?

  • Fluxation
  • · Replies 8 ·
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8

Undergrad Magnetic field of circular loops and solenoid

  • al33
  • · Replies 4 ·
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4

Undergrad Electric Flux in a Closed Space: Volume, Area & Benefits

  • FS98
  • · Replies 1 ·
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1

High School Movement by electrical induction

  • jimkers
  • · Replies 3 ·
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3

Graduate Hall Effect in an alternating current circuit

  • Tahmeed
  • · Replies 1 ·
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1

Undergrad Mutual inductance and magnetic feild

  • abdullah khaled
  • · Replies 2 ·
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2

Undergrad Applied Acoustics - decouple a speaker and a wooden table

  • Rick00
  • · Replies 14 ·
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14

Undergrad Can we see electrons in atoms?

  • AhmedHesham
  • · Replies 3 ·
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3

Undergrad Discharge in a DC RC circuit and Kirchhoff's Loop Rule

  • FranzDiCoccio
  • · Replies 9 ·
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9

High School Phase difference in a transformer

  • MalachiK
  • · Replies 2 ·
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2

High School The difference between angular frequency and frequency?

  • bolzano95
  • · Replies 18 ·
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18

Graduate How an electric field is absorbed by a dielectric

  • Soumava
  • · Replies 8 ·
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8

Undergrad Cathode-ray tube: Error in a book?

  • belyi00
  • · Replies 1 ·
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1

Graduate SR and Magnetism: A Conceptual Understanding

  • Biker
  • · Replies 14 ·
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14

Undergrad Piezoelectric effect -- How long does a stressed crystal produce a DC voltage?

  • Sasho Andonov
  • · Replies 13 ·
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13

Undergrad What force holds together like charges in a capacitor, or a battery

  • torxxx
  • · Replies 2 ·
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2

High School Why does an iron core increase magnetism?

  • Atomic_Sheep
  • · Replies 5 ·
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5

Undergrad Why Does Current Produce a Magnetic Field But Not Vice Versa?

  • Rav430
  • · Replies 2 ·
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2

Graduate Regenerating electricity on an e-bike

  • Low-Q
  • · Replies 15 ·
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15

Undergrad What is the relationship between voltage and charge in a battery?

  • Alex Hughes
  • · Replies 8 ·
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8

Undergrad Understanding RC Band Pass Filter Graphs

  • Sheldon11
  • · Replies 1 ·
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1

Graduate Force acting on superparamagnetic particle

  • Oleg
  • · Replies 10 ·
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10

Undergrad Finding Magnetic Moment from Pull Force

  • Matt Klosterman
  • · Replies 1 ·
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1

Graduate Is the photoelectric effect in a photocell reversible?

  • spareine
  • · Replies 4 ·
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4

Graduate Growing Oxide Layers in electrostatic fields

  • Samson4
  • · Replies 3 ·
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3

High School Which Non-Magnetic Material is Best for a Magnet Case?

  • Wayne Johnson
  • · Replies 7 ·
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7

Undergrad How long can electromagnetic waves last?

  • musicgold
  • · Replies 4 ·
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4

High School Is Magnetism Both Energy and Force?

  • torxxx
  • · Replies 2 ·
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2

Undergrad Why can't excess charges leave the surface of a conductor?

  • lawsonfurther
  • · Replies 3 ·
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3

Graduate Conserved quantity for a particle in a homogeneous and static magnetic field

  • Joker93
  • · Replies 1 ·
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1