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High School How much energy is gained by an electron in a battery?

  • vraun500
  • · Replies 4 ·
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4

Undergrad When a magnetic field changes and an emf is produced,

  • jaredvert
  • · Replies 11 ·
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11

Undergrad Can a sinusoidal EM wave exist in nature?

  • rmberwin
  • · Replies 11 ·
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11

Undergrad Is the Lorentz force conservative?

  • Dash-IQ
  • · Replies 30 ·
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30

Graduate Solution to differential equations of piezoelectric vibration

  • athosanian
  • · Replies 3 ·
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3

Undergrad Do two magnets separated by a distance have potential energy relative

  • jaredvert
  • · Replies 10 ·
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10

Undergrad Understanding Lenz Law: Impact on Current Direction in a Magnetic Field

  • jaredvert
  • · Replies 10 ·
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10

Graduate How Should I Determine the Correct Power Rating for a Motor Winding Paper?

  • tomizzo
  • · Replies 3 ·
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3

Undergrad Ferromagnetism: Permanent Magnetic Force and Kinetic Energy

  • debeselis
  • · Replies 9 ·
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9

Undergrad Changing Sinewave Frequency: Can it be Done?

  • btb4198
  • · Replies 33 ·
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33

Undergrad Magnetic monopoles are beyond me

  • PeterPeter
  • · Replies 12 ·
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12

Graduate Electromagnetic wave complex wave function

  • melodyyyylwy
  • · Replies 2 ·
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2

Undergrad Calculating how magnetic field strength decreases with distance

  • downtownjapan
  • · Replies 4 ·
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4

Undergrad Electric potential energy definition doubt?

  • Hardik Batra
  • · Replies 1 ·
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1

Undergrad Permanent magnet motor working on repulsion force

  • faisal5455
  • · Replies 4 ·
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4

Undergrad About maxwell-boltzmann distribution

  • asdff529
  • · Replies 2 ·
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2

Undergrad Electric potential and conducting wire

  • Hardik Batra
  • · Replies 7 ·
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7

Graduate Strange thing happens with the surface polarisation charge density

  • Pritam
  • · Replies 5 ·
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5

Undergrad Why do eddy currents cause oscillations to die away quickly?

  • PFuser1232
  • · Replies 6 ·
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6

Undergrad How Does Switching Polarity Affect Capacitor Energy and Heat Dissipation?

  • varunKanpur
  • · Replies 5 ·
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5

Undergrad Charge vs Coulomb - A paradox?

  • christian0710
  • · Replies 1 ·
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1

Trapping light without electricity

  • albertrichardf
  • · Replies 12 ·
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12

Undergrad Increase in electric potential energy

  • Miraj Kayastha
  • · Replies 4 ·
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4

Graduate Multi-layer magnet with separate coils

  • Pharrahnox
  • · Replies 2 ·
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2

High School Measuring Force Between Magnets | Devices Available

  • M.Kalai vanan
  • · Replies 1 ·
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1

Undergrad Coulomb's Torsion balance explanation?

  • christian0710
  • · Replies 1 ·
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1

Undergrad Calculating actual power (wattage) created by a simple generator

  • Steve S
  • · Replies 7 ·
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7

Undergrad Are the electron flow in a conductor and ion flow in electrolyte same?

  • shiraztk
  • · Replies 1 ·
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1

Graduate What is the physical makeup of an electron?

  • CF.Gauss
  • · Replies 87 ·
3
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Graduate Laminated iron core inside a coil magnetic field question

  • wetback
  • · Replies 1 ·
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1

Graduate Boundary conditions in Electrostatics

  • Gavroy
  • · Replies 3 ·
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3

Undergrad Deriving Coulomb's law and other fundamental equations from F=ma?

  • Queequeg
  • · Replies 3 ·
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3

Graduate Uniqueness given specified surface charges and voltages

  • komdu
  • · Replies 2 ·
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2

Undergrad Resistance of a discharging capacitor

  • Pharrahnox
  • · Replies 4 ·
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4

Undergrad Electric field without charge?

  • mdn
  • · Replies 10 ·
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10

Undergrad How electrons flow in Capacitor Circuit

  • 22990atinesh
  • · Replies 13 ·
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13

Graduate A question on Electromagnetic theory

  • Shan K
  • · Replies 18 ·
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18

Graduate Creating nanoemulsions by means of Electrospray

  • Taylor
  • · Replies 4 ·
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4

Graduate Solutions to laplace's equation & uniqueness thrm #2 (Griffiths)

  • iScience
  • · Replies 3 ·
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3

Undergrad Is Electron Gravity the Same as Earth's Gravitational Force?

  • mkristof
  • · Replies 5 ·
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5

Undergrad Question about dielectrics in capacitors

  • jaredvert
  • · Replies 9 ·
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9

Undergrad Can a CHANGING magnetic field change the speed of a charged particle

  • aniket7tomar
  • · Replies 10 ·
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10

Undergrad External electro-magneteic field acting on a wire

  • Maniaks
  • · Replies 5 ·
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5

Graduate Energy of charge distributions,advantage of one equation vs the other?

  • iScience
  • · Replies 7 ·
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7

Graduate Hovering magnet over superconductor/superconductor over magnet

  • sltungle
  • · Replies 2 ·
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2

Undergrad If capacitors in series reach the same charge and all have the same ca

  • jaredvert
  • · Replies 14 ·
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14

Undergrad Electricity in a Vacuum: Investigating 1e9 Voltage

  • jaiii
  • · Replies 7 ·
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7

High School Why is a magnet not an infinite source of energy?

  • aspaceo
  • · Replies 7 ·
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7

Undergrad Wouldn't there be a magnetic force?

  • agonydrum
  • · Replies 9 ·
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9

Undergrad Electric field due to a charged particle at a random point in space

  • Lukasz
  • · Replies 3 ·
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3

High School Potential Drop Across Resistor - Explained

  • jaredvert
  • · Replies 1 ·
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1

Undergrad What Does the Area in Faraday's Law Represent?

  • darksyesider
  • · Replies 1 ·
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1

Graduate Mutual Induction: How is Current Transferred?

  • kira506
  • · Replies 16 ·
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16

High School Is electric field radially inwards or outwards

  • darksyesider
  • · Replies 4 ·
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4

Graduate Understanding derivation of scattering from Maxwells eqns

  • Steve Drake
  • · Replies 8 ·
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8

Graduate Impact of magnetic field on a dirty plasma

  • rprosser
  • · Replies 4 ·
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4

Graduate Q&A: EM Orbits & Tides: Attraction & Repulsion?

  • Terdbergler
  • · Replies 2 ·
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2

Undergrad Faraday's law of mutual induction

  • darksyesider
  • · Replies 3 ·
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3

Graduate What are the independent terms in the Magnetic Tensor

  • welshrich
  • · Replies 2 ·
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2

Undergrad Thoroughly confused on self-inductance

  • darksyesider
  • · Replies 4 ·
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4

Graduate Equal and opposite forces with electricity

  • fragiggle
  • · Replies 1 ·
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1

Undergrad Do Magnets Affect Fire Behavior?

  • zynan
  • · Replies 33 ·
2
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33

Undergrad Ampere's Law when applied to a toroid

  • Regtic
  • · Replies 21 ·
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21

Undergrad EMF Induction: How Flux Change Creates Potential

  • Entanglement
  • · Replies 60 ·
3
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60

High School Can stainless/steel be used as electromagnet?

  • dan020350
  • · Replies 5 ·
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5

Graduate Analogy between fluid dynamics and electromagnetism

  • komdu
  • · Replies 4 ·
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4

High School Why is power equal to voltage times current?

  • oneamp
  • · Replies 34 ·
2
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34

Graduate Can Magnetic Wires Conduct Electricity and Create Permanent Magnets?

  • shushi_boi
  • · Replies 5 ·
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5

Graduate A spherical conducting shell in an electric field field

  • transparent
  • · Replies 3 ·
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3

Undergrad Determining the direction of magnetic field

  • darksyesider
  • · Replies 1 ·
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1

High School When to use P=I^2R, P=VI, P=V^2/R?

  • FaroukYasser
  • · Replies 5 ·
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5

High School Can a electron gun attract/repel permanent magnet?

  • dan020350
  • · Replies 8 ·
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8

Undergrad Battery connected to capacitor

  • negation
  • · Replies 28 ·
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28

Undergrad Force between two short current carrying wires

  • havelek
  • · Replies 13 ·
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13

Undergrad So, what is the inductor from the extension cord?

  • oneamp
  • · Replies 9 ·
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9

Undergrad B versus H field (and Magnetization)

  • gahando
  • · Replies 7 ·
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7

Undergrad Behaviours of charges inside a conductor(slightly complex scenario?)

  • negation
  • · Replies 1 ·
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1

Graduate Uniform changing magnetic field does not accelerate a charge?

  • DocZaius
  • · Replies 12 ·
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12

Undergrad How do eddy currents affect magnet movement through non-magnetic materials?

  • Bern123
  • · Replies 8 ·
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8

Graduate Why do TEM modes need two conductors to propagate?

  • klawlor419
  • · Replies 2 ·
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2

Undergrad Finding the magnetic field at center of a square loop

  • lonewolf219
  • · Replies 3 ·
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3

High School Steel Soap bars: magnetic core, solid?

  • rovot
  • · Replies 9 ·
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9

Undergrad Heating up a wire with current

  • 5carola5
  • · Replies 11 ·
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11

Undergrad Confusion with free electrons in metals

  • Jimmy87
  • · Replies 7 ·
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7

Graduate The Force of an Array of Perm. Magnets on a Large Iron Body

  • Bobbo Snap
  • · Replies 5 ·
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5

Undergrad Simulating the wigglyness of a compass pin

  • WilliamB96
  • · Replies 2 ·
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2

Graduate Using Radio Antennae to Dump Stored Energy

  • MattRob
  • · Replies 4 ·
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4

Undergrad The force between current carrying conductors

  • PFuser1232
  • · Replies 3 ·
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3

Undergrad Moving along a current carrying conductor

  • quawa99
  • · Replies 2 ·
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2

Graduate Magnetic Field Reflection from a Media Interface

  • SeriousTyro
  • · Replies 2 ·
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2

Undergrad Electron kinetic energy, movement

  • Salvador
  • · Replies 43 ·
2
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43

High School Is it electric charge or only the friction?

  • jayeshtrivedi
  • · Replies 6 ·
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6

Undergrad Do orbits in diamagnetic materials align to external magnetic fields?

  • leviterande
  • · Replies 6 ·
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6

Undergrad Voltmeter Readings: Changes with Contact Resistance Increase

  • Big-Daddy
  • · Replies 3 ·
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3

Graduate Metallic cube with circular hole

  • ShayanJ
  • · Replies 6 ·
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6

Graduate Difference b/n synchrotron radiation and Free electron laser

  • Rajini
  • · Replies 3 ·
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3

Undergrad Why Is Electric Charge Measured in Coulombs Instead of Newtons?

  • yhPscis
  • · Replies 7 ·
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7

Undergrad Beyond Lorentz Force: Electron Circles in Magnetic Field?

  • Entanglement
  • · Replies 5 ·
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5

Undergrad Electrical grounding and alternating current

  • Jimmy87
  • · Replies 5 ·
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5

High School Ap physics c ampere's law and biot-savart

  • darksyesider
  • · Replies 1 ·
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1