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Graduate Resonance condition of a cyclotron.

  • esha
  • · Replies 1 ·
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1

Undergrad Magnetic properties of electrons

  • esha
  • · Replies 5 ·
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5

High School Do magnets that attract actually touch?

  • Lunct
  • · Replies 10 ·
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10

Graduate Question about making a coaxial magnetic field in a pipe

  • ItsGameTime
  • · Replies 6 ·
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6

Graduate Proving Lorenz Gauge Choice: A Getty's Physics Exploration

  • DavideGenoa
  • · Replies 13 ·
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13

High School About magnetic field attraction

  • Evagoras
  • · Replies 2 ·
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2

Graduate Starting point to converting resonance/frequency into temp

  • Ge0rdy
  • · Replies 7 ·
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7

High School Transformer core saturation- is this core saturating?

  • EddieP
  • · Replies 1 ·
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1

Graduate Net force on a Halbach Array in a uniform magnetic field

  • Arshavsky
  • · Replies 3 ·
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3

High School 500cc 50hp electric motor swap

  • ckcurtis
  • · Replies 4 ·
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4

Undergrad Flux dependant upon the number of turns?

  • Matthew1994
  • · Replies 1 ·
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1

Graduate Could a distribution of magnetic Dipoles create an Energy minimum

  • davidt92
  • · Replies 6 ·
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6

Graduate Help with proving Thomson's theorem

  • Sturk200
  • · Replies 2 ·
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2

Graduate Does the first Maxwell equation work also for moving charges?

  • physics user1
  • · Replies 2 ·
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2

Graduate Variance of the EM wave equation under Galilean transformation

  • Pushoam
  • · Replies 10 ·
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10

Graduate Magnetic field of a finite wire increasing with distance?

  • MrManhattan
  • · Replies 1 ·
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1

High School The physical meaning of electric potential

  • bachir1994
  • · Replies 2 ·
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2

Undergrad Electric Flux Questions (about the definition)

  • AlphaLearner
  • · Replies 2 ·
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2

High School Non-ferrous solenoid actuator -- Force calculation

  • Anachronist
  • · Replies 3 ·
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3

Undergrad Why do conductors have a sea of electrons while insulators don't?

  • shihab-kol
  • · Replies 4 ·
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4

Undergrad Is the curl of a vector perpendicular to the vector?

  • Pushoam
  • · Replies 1 ·
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1

Undergrad Collision with magnets -- Elastic or Inelastic?

  • ScienceStudent
  • · Replies 8 ·
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8

Undergrad Can Power Lines Transmit Radio Signals in Emergencies?

  • oquen
  • · Replies 12 ·
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12

Undergrad The rate of change in the magnetic field linkage in a coil

  • Asmaa Mohammad
  • · Replies 19 ·
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19

Undergrad Electroscope experiment in vacuum

  • Dan Haronian
  • · Replies 5 ·
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5

High School How to use magnets to float an object (Diagram)

  • gammzy98
  • · Replies 5 ·
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5

High School What Happens to Current in a Parallel Circuit When More Resistors Are Added?

  • diogo_sg
  • · Replies 18 ·
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18

Graduate Discontinuous electric fields

  • ExplosivePete
  • · Replies 2 ·
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2

Undergrad What Happens When Different Metals Touch in Space?

  • Darkmisc
  • · Replies 15 ·
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15

Graduate Faraday's law of electromagnetic induction -- Motional EMF

  • Pushoam
  • · Replies 8 ·
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8

Undergrad Importance of Current density?

  • Rajeswar Panja
  • · Replies 8 ·
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8

Graduate Dimensionless mass-to-charge ratio of the electron

  • Afonso Campos
  • · Replies 2 ·
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2

High School Will a router motor have permanent magnets?

  • doughpat
  • · Replies 1 ·
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1

Undergrad Why is electric potential present inside a conductor?

  • esha
  • · Replies 7 ·
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7

Undergrad Field between Parallel Plates in a Capacitor

  • Buffu
  • · Replies 8 ·
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8

Graduate Change in electrostatic potential energy of two spheres

  • Pushoam
  • · Replies 3 ·
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3

Undergrad Induced current by moving bar magnet external to solenoid.

  • Coolamebe
  • · Replies 1 ·
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1

Undergrad How to calculate the Doppler Shift Frequency

  • mpolo
  • · Replies 4 ·
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4

Undergrad Magnets' Repelling Force -- How to calculate it

  • Shortyski13
  • · Replies 2 ·
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2

Graduate Energy of parallel plate capacitor

  • Pushoam
  • · Replies 4 ·
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4

Undergrad Range of frequency of electromagnetic waves

  • Pushoam
  • · Replies 51 ·
2
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51

Undergrad Why is the Voltage Induced in a Rotating Coil Sinusoidal?

  • souky101
  • · Replies 7 ·
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7

Graduate Magnetic Field Computation from Thick Rectangular Conductor

  • MrManhattan
  • · Replies 9 ·
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9

Undergrad Electromagnet attracting permas

  • Shortyski13
  • · Replies 3 ·
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3

Undergrad Magnetic flux through a rotating bar

  • Baptiste Debes
  • · Replies 3 ·
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3

High School What Causes the Strange Sound When Magnets Are Used with Headphones and a Disc?

  • Samson4
  • · Replies 13 ·
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13

Undergrad Electron beam energy to acceleration potential relation

  • eigenmax
  • · Replies 2 ·
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2

High School Dielectric or Piezoelectric: What's the Difference?

  • Gunmo
  • · Replies 5 ·
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5

High School Static Electricity powered toy car project for school

  • Keshav Nair
  • · Replies 2 ·
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2

Graduate Coil resistance increases from 54 ohms to 8k at 220kHz, why?

  • jrive
  • · Replies 13 ·
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13

Graduate Eventually do magnetic insulators exist?

  • physea
  • · Replies 3 ·
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3

Undergrad Electrical Power Loss Equations Confusion

  • Kevin Shen
  • · Replies 3 ·
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3

Graduate Magnetic Dipole Field from a Loop of Wire

  • bcerge1
  • · Replies 5 ·
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5

High School How does electric current flow through a conductor

  • AlphaLearner
  • · Replies 62 ·
3
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62

Graduate How does Lenz's law delay coil field collapse in magnetos?

  • miner_tom
  • · Replies 1 ·
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1

Undergrad How is Light (electromagnetic waves) generated by electrons

  • Abhinay Soanker
  • · Replies 9 ·
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9

Undergrad Calculating Capacitors for Wave Energy Collectors

  • dutchchili
  • · Replies 18 ·
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18

Undergrad Electric motor: power and RPMs

  • serpentine009
  • · Replies 17 ·
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17

Undergrad Relation between sound intensity and frequency

  • Tulio Cesar
  • · Replies 1 ·
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1

Undergrad Troubleshooting a Derivation: Why μ*ε=1/c^2?

  • snate
  • · Replies 1 ·
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1

Graduate Thompson's Absolute Electrometer

  • X53
  • · Replies 1 ·
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1

Undergrad Bar magnet wrapped in electromagnetic coil

  • coinmaster
  • · Replies 5 ·
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5

Undergrad Help clarifying capacitors, dielectrics, E field, potential

  • Notaphysicsmajor
  • · Replies 2 ·
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2

Undergrad Clarification between electric field and potential energy

  • Notaphysicsmajor
  • · Replies 4 ·
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4

Undergrad Error in declination of linear regression

  • UiOStud
  • · Replies 3 ·
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3

Undergrad Why is there reverse current in diode equation?

  • satominari
  • · Replies 7 ·
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7

Undergrad General questions with currents

  • Notaphysicsmajor
  • · Replies 8 ·
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8

Graduate Ideal gas pressure from Maxwell-Boltzmann distribution

  • H Psi equal E Psi
  • · Replies 4 ·
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4

Graduate Why Can't a Photon Be Completely Absorbed by a Free Electron?

  • GAURAV DADWAL
  • · Replies 11 ·
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11

Graduate Electric field of a point charge above a plane conductor

  • Buffu
  • · Replies 5 ·
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5

Undergrad Why is the EM spectrum contiguous instead of gapped

  • bluestar
  • · Replies 16 ·
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16

High School How does a battery push charges? Potential difference?

  • Notaphysicsmajor
  • · Replies 4 ·
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4

Undergrad Magnetic alignment of steel question

  • tim9000
  • · Replies 2 ·
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2

Undergrad Magnetic levitated electric wire

  • AHashemi
  • · Replies 1 ·
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1

Undergrad Does there exist any electric field inside a charged conductor?

  • Anindya Mondal
  • · Replies 9 ·
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9

Undergrad Discover the Power of Magnetic Locks: 650-1000 lbs of Force

  • oquen
  • · Replies 40 ·
2
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40

Undergrad About uniform electric field between parallel plates

  • curiosity colour
  • · Replies 7 ·
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7

Graduate Humidity & Discharge: Molecular Mechanism & Role of Polarity

  • greensky
  • · Replies 15 ·
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15

Graduate Propagation of EM Waves in metamaterials

  • Vaibhav Sahu
  • · Replies 1 ·
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1

Graduate Book Hunt: Statistical Treatment of Macroscopic Maxwell Eqns

  • Twigg
  • · Replies 2 ·
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2

Undergrad Electric/Magnetic field Inverse square

  • superslow991
  • · Replies 5 ·
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5

Graduate Electrostatics/Magnetostatics - E,D,P and B,H,M

  • tarkin
  • · Replies 1 ·
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1

Graduate Calculation of temperature of a current-carrying wire

  • eigenmax
  • · Replies 2 ·
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2

High School Solving Gauss' Law Problem for Varying Electric Fields

  • GAURAV DADWAL
  • · Replies 3 ·
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3

Graduate Induced Magnetic Field: Moving Arbitrary Conductors in Nonuniform Fields

  • vibe3
  • · Replies 1 ·
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1

Graduate Photoelectric effect : retarding potential with back current

  • crick
  • · Replies 1 ·
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1

Graduate Potential due to a uniformly charged flat disk

  • Buffu
  • · Replies 9 ·
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9

Undergrad Correct relation is F^{ij} = - epsilon^{ijk} B^k.

  • Zohaib_aarfi
  • · Replies 3 ·
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3

Graduate Dielectric tensor in an isotropic media

  • QuantumDuality
  • · Replies 1 ·
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1

High School What do you mean by force "between" two charges?

  • Young wolf
  • · Replies 7 ·
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7

Graduate Curl of the Magnetic Field of an Infinite Wire

  • Daniel Gallimore
  • · Replies 3 ·
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3

Undergrad Why don't I hear beats when singers or instruments play the same note?

  • Isaac0427
  • · Replies 10 ·
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10

Graduate Why a E field cannot hold a charge in space?

  • Buffu
  • · Replies 6 ·
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6

Graduate Coulomb's law without a pure inverse square relationship?

  • Buffu
  • · Replies 4 ·
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4

Graduate Electric or magnetic field pulse generetor

  • archon
  • · Replies 16 ·
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16

Undergrad Calculating Induced Electric field

  • Arman777
  • · Replies 4 ·
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4

Undergrad Deriving the E Cross B Drift Velocity: A Puzzling Explanation

  • pierce15
  • · Replies 1 ·
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1

Undergrad Electric Element Voltage Specifications?

  • mcharbs55
  • · Replies 8 ·
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8

Undergrad Does the Lorentz Force Affect Both the Wire and Loop in a Current Loop Setup?

  • Samson4
  • · Replies 9 ·
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9

Undergrad Confusion regarding line integrals

  • rahularvind06
  • · Replies 1 ·
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1