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Undergrad Magnetic forces -- arguments about doing work

  • Conductivity
  • · Replies 17 ·
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17

Graduate Axisymmetric FEA model for magnetic flux distortion

  • wprince007
  • · Replies 2 ·
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2

Undergrad Current flow model through a resistance field

  • akyriazis
  • · Replies 3 ·
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3

Undergrad I have a few questions about Vce(sat) and static resistance

  • Genji Shimada
  • · Replies 5 ·
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5

Graduate Does a rotating loop in a magnetic field induce emf without cutting field lines?

  • cnh1995
  • · Replies 2 ·
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2

Graduate Deriving the formula for a magnetic dipole field

  • Guest432
  • · Replies 11 ·
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11

Undergrad Does plasma maintain a charge when current flows through it?

  • TheEllimist
  • · Replies 3 ·
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3

Undergrad Do electromagnets exhibit the same properties of a permanent

  • Guest432
  • · Replies 1 ·
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1

Graduate Poynting Vector in Non-Magnetic Dielectric Media

  • Twigg
  • · Replies 2 ·
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2

Graduate Complex dielectric constant -- metals, insulators and Reflections

  • Carlos de Meo
  • · Replies 2 ·
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2

High School How does a magnetizer/demagnetizer work?

  • greypilgrim
  • · Replies 7 ·
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7

Undergrad Junkyard sized Large electromagnet

  • midknight
  • · Replies 1 ·
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1

Graduate Is energy transport in electric DC setup quantized?

  • gerald V
  • · Replies 4 ·
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4

Undergrad Conductivity of saltwater dielectric vs current

  • psuedoben
  • · Replies 11 ·
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11

Graduate How Do Magnets Really Work? Investigating the Complex Phenomenon of Magnetism

  • Guest432
  • · Replies 10 ·
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10

High School Do galvanic cells depend on distance?

  • Biker
  • · Replies 4 ·
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4

Undergrad Photoelectric Effect: Threshold Frequency Explained

  • Vivan Vatsa
  • · Replies 3 ·
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3

Undergrad Question about Gravity and Elecromagnetism and Attraction

  • MainFragger
  • · Replies 6 ·
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6

Graduate Magnetic Field at any Point Around a Finite Straight Wire

  • MrManhattan
  • · Replies 3 ·
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3

Undergrad Understanding the Direction of 'r' Vector in Torque and Biot-Savart Law

  • hansen4332
  • · Replies 4 ·
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4

Undergrad Why electromagnetic waves do not stand still?

  • Yubal M
  • · Replies 35 ·
2
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35

Graduate Curl of electrostatic field vector

  • Rajeswar Panja
  • · Replies 3 ·
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3

Undergrad Photoelectric Effect: Doubts Answered

  • Karan Punjabi
  • · Replies 2 ·
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2

Undergrad Brainstorming: Large scale piezoelectricity generation

  • carogan
  • · Replies 7 ·
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7

Graduate Conceptual Question About Magnetism

  • PurelyPhysical
  • · Replies 1 ·
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1

High School Electric vs. Magnetic Force: A Discussion

  • Vanadium 50
  • · Replies 12 ·
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12

Graduate Atomic units of frequency and angular frequency

  • Ecthe
  • · Replies 7 ·
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7

Graduate Problem in understanding analytical solution of LCR circuit

  • Ahsan Khan
  • · Replies 1 ·
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1

Graduate Magnetic field in frame of moving charge

  • Dexter Neutron
  • · Replies 3 ·
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3

Undergrad Electricity and the operation of induction motors

  • shina
  • · Replies 4 ·
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4

Undergrad What is the electric field just at the shell?

  • Isaac@
  • · Replies 5 ·
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5

High School Why can you choose only V in DC but V and I in AC?

  • greypilgrim
  • · Replies 10 ·
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10

Undergrad Why are conductors not used to store electricity?

  • NowsTheTime
  • · Replies 26 ·
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26

Graduate Energy flow into and around a slowly charging capacitor

  • Spinnor
  • · Replies 8 ·
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8

Undergrad Faraday Cage: Surprising Facts from SIAM News

  • Stephen Tashi
  • · Replies 1 ·
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1

Undergrad Can a Piezoelectric Transducer Double as a Microphone?

  • Sveral
  • · Replies 10 ·
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10

Graduate Why does a voltmeter measure a voltage across inductor?

  • OnAHyperbola
  • · Replies 115 ·
4
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115

Graduate Faraday's and Lenz law - Experiment with AC coil and Cu ring

  • mik652
  • · Replies 5 ·
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5

Graduate Combine capacitors and inductors to be frequency independent

  • Kfir Dolev
  • · Replies 5 ·
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5

Undergrad Is it possible to build a phase shifter from RLC components?

  • Kfir Dolev
  • · Replies 3 ·
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3

Graduate Copper Electron Pressure: 105atm & Its Effects

  • kent davidge
  • · Replies 11 ·
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11

Graduate Temperature Coefficient of Resistance and Specific Heat

  • eng3
  • · Replies 9 ·
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9

Graduate Can a magnetic field create angular momentum?

  • BucketOfFish
  • · Replies 7 ·
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7

High School Magnet Experiment: Investigating Force & Distance

  • Guest432
  • · Replies 3 ·
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3

Graduate Why do sound waves with slightly different frequencies create beats?

  • DaydreamNation
  • · Replies 6 ·
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6

High School Which makes a bulb glows brighter?

  • Angela Liang
  • · Replies 49 ·
2
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49

High School Uncovering the Mystery of Voltage: A Comprehensive Explanation

  • aiop
  • · Replies 23 ·
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23

High School Difference between electrostatic charges& electric charges

  • Angela Liang
  • · Replies 5 ·
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5

Undergrad Is Kirchoff's Theorem Misunderstood in Relation to Power Absorption?

  • Titan97
  • · Replies 2 ·
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2

Graduate Theoretical Magnetic Propulsion

  • Layne Burgess
  • · Replies 1 ·
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1

High School The Charge of an Electron: Q = 1.6x10^-19C

  • DjLeo
  • · Replies 3 ·
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3

Undergrad Generation of magnetic fields....

  • Alisdair
  • · Replies 5 ·
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5

Undergrad AC vs evaporative cooler: ratio of (BTUs/hr)/electric watts

  • techniker
  • · Replies 3 ·
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3

High School Crystal leaving patterns of the electromagnetic spectrum?

  • Mulz
  • · Replies 2 ·
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2

Graduate Antennas and electromagnetic radiation

  • physics user1
  • · Replies 9 ·
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9

Graduate Do Moving Charges Create Magnetic Fields, or is it Something Else?

  • Delta2
  • · Replies 7 ·
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7

Undergrad What happens to an electron in a magnetic field?

  • Omega0
  • · Replies 8 ·
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8

High School Magnets in space -- AKA vacuum

  • DEMOCRATIS369
  • · Replies 39 ·
2
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39

Undergrad How Do You Calculate Electric Flux Through a Rectangle?

  • arileah
  • · Replies 2 ·
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2

Undergrad Forces Between 2 large conductors

  • JasonM
  • · Replies 3 ·
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3

Graduate The Logic Behind Equating Differential Operators to Numbers in Electromagnetism

  • mertcan
  • · Replies 1 ·
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1

Undergrad Why Do Opposite Charges Attract?

  • akashpandey
  • · Replies 1 ·
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1

High School Really basic question, electromagnetism.

  • Diego Quexada
  • · Replies 2 ·
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2

Graduate Sample smaller than parallel plates in capacitance setup

  • SSChemist
  • · Replies 5 ·
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5

Undergrad Ampere's Law: Explained and the Role of Magnetic and Electric Fields

  • physics user1
  • · Replies 11 ·
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11

High School Light, thin but strong magnet?

  • ASoteldo
  • · Replies 4 ·
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4

Undergrad Poynting energy flow in Eath's atmosphere?

  • Narayanan KR
  • · Replies 5 ·
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5

Undergrad Does the inverse square rule work with a magnetic field?

  • TheAnt
  • · Replies 10 ·
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10

High School Available materials for Faraday rotation experiment

  • KShah423
  • · Replies 4 ·
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4

Graduate Force on a ferrous object inside a non-uniform magnetic field

  • EnEE
  • · Replies 1 ·
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1

Graduate Modeling an electric circuit by tracking individual charges

  • nik2011
  • · Replies 6 ·
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6

Undergrad Electric Generators and resistance

  • gloo
  • · Replies 7 ·
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7

Graduate Has anyone here studied cavitation? (acoustic streaming)

  • rwooduk
  • · Replies 2 ·
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2

Graduate Some questions about electromagnetic waves.

  • Coolamebe
  • · Replies 5 ·
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5

High School How is the strength of a magnetic field measured?

  • TheAnt
  • · Replies 2 ·
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2

Graduate 1A caused by half the charge density at twice the velocity

  • particlezoo
  • · Replies 3 ·
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3

Graduate Why Are The Units of Coulombs Law What They Are?

  • PurelyPhysical
  • · Replies 5 ·
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5

Graduate Image Charges Purcell Discussion

  • guitarphysics
  • · Replies 4 ·
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4

Undergrad Can magnets be used to keep something at a certain distance?

  • mzideefixe
  • · Replies 2 ·
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2

Undergrad Electric Field Around A Dipole?

  • PurelyPhysical
  • · Replies 1 ·
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1

Graduate Regarding applicability of Maxwell's equations on microscopic structures.

  • otaKu
  • · Replies 2 ·
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2

Graduate How is light created from charge Oscillation?

  • physics user1
  • · Replies 20 ·
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20

Graduate A resistor with current flowing but no dissipation

  • wwoollyyhheeaa
  • · Replies 8 ·
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8

Undergrad Reduction of eddy currents' magnetic field during induction

  • adeborts
  • · Replies 5 ·
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5

Undergrad Confused about electric potential and electric field

  • justin15501
  • · Replies 10 ·
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10

Graduate Electric field given a time-dependent magnetic field

  • Privatecroat
  • · Replies 3 ·
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3

Graduate Lagrangian of electromagnetism

  • mertcan
  • · Replies 16 ·
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16

Undergrad Finding Magnetic Field from Electric Field: A Classical Physics Problem

  • OhNoYaDidn't
  • · Replies 1 ·
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1

Undergrad How to calculate force caused by magnets?

  • maglove
  • · Replies 1 ·
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1

Graduate Electrons producing gamma photons in accelerators

  • Abdul.119
  • · Replies 1 ·
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1

Undergrad Electromagnetism and injury -- physical contact at the molecular level....

  • Nate0331
  • · Replies 3 ·
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3

Undergrad Position of a coil relative to the magnetic flux

  • adeborts
  • · Replies 8 ·
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8

Undergrad Doubts regarding Electromagnetic fields

  • Dexter Neutron
  • · Replies 9 ·
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9

Undergrad Electric field calculated by gauss law

  • Magnetic Boy
  • · Replies 8 ·
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8

Undergrad Field strength variation of different types of fields

  • petrushkagoogol
  • · Replies 1 ·
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1

High School Does a Compass Point to Geographic South Below Earth's Surface?

  • hackhard
  • · Replies 1 ·
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1

Undergrad Ready to try acoustic levitation at home? What equipment do I need?

  • ElectricPaint
  • · Replies 2 ·
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2

Undergrad What material can act as electron sponge?

  • kiwaho
  • · Replies 21 ·
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21

Graduate Calculating Magnetic Pole Strength: Guide to Theory & Experiment

  • Anthony physics
  • · Replies 1 ·
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1

Undergrad Electron Motion in Magnetic Fields

  • Bill Myk
  • · Replies 2 ·
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2