Electromagnetism Forum

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Undergrad Fuses and grounding in a circuit

  • sgstudent
  • · Replies 3 ·
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3

Undergrad Switching polarity on electromagnets

  • dorker
  • · Replies 6 ·
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6

Graduate Nuclear Physics - Difference between electron capture and beta plus decay

  • emilypearson
  • · Replies 5 ·
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5

Graduate Why Are D and H Fields Convenient for Calculations?

  • Gregg
  • · Replies 7 ·
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7

Undergrad Why high frequency waves cannot be used in sky waves?

  • jd12345
  • · Replies 1 ·
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1

High School Calculating total price using kilo watt hours?

  • j-lee00
  • · Replies 1 ·
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1

Undergrad Why is the voltmeter connected in series in electrolysis?

  • lokifenrir96
  • · Replies 1 ·
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1

High School Can magnets act as accelerators to certain objects?

  • Hypo
  • · Replies 20 ·
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20

Undergrad Generating Electricity from an Aeroplane Flight

  • Wharton8
  • · Replies 1 ·
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1

Graduate Calculating moleculalar flux from deposition rate.

  • Ravian
  • · Replies 2 ·
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2

Undergrad Charging a widget through induction

  • sourapple
  • · Replies 2 ·
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2

Graduate Trajectory of charged particle in uniform gravitational potential

  • jjustinn
  • · Replies 3 ·
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3

Undergrad Characteritics of an acceptor circuit

  • zary
  • · Replies 1 ·
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1

Graduate Maxwell stress tensor for a nonlinear media

  • Hassan2
  • · Replies 26 ·
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26

Graduate Component of the quadrupole Q_ij

  • ellocomateo
  • · Replies 5 ·
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5

Graduate Relativistic explanation for magnetic force between perpendicular wires

  • guillefix
  • · Replies 7 ·
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7

Undergrad Work done by load in charging a capacitor

  • jsmith613
  • · Replies 55 ·
2
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55

Graduate How Eddy Currents Produce Attractive Electromagnetic Forces-Maglev

  • The Head
  • · Replies 4 ·
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4

Undergrad Does electric field obey superposition?

  • Sammy101
  • · Replies 1 ·
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1

Undergrad Gauss's law intuitive explanation?

  • lord_james
  • · Replies 3 ·
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3

Undergrad Electromagnetic Waves: Static Magnetic Fields

  • nemesiswes
  • · Replies 1 ·
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1

Undergrad Alternating Current through pure inductors

  • Kurokari
  • · Replies 2 ·
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2

Graduate What is the connection between Maxwell's Demon and Liouville's Theorem?

  • AdrianMay
  • · Replies 78 ·
3
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78

Undergrad How Do Coils Interact to Induce EMF in Electromagnetic Fields?

  • aditya23456
  • · Replies 3 ·
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3

Graduate What really is the electric field E appearing in the constitutive relation ?

  • tapsanit
  • · Replies 8 ·
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8

Undergrad Long term magnetic repulsion with permenant magnets?

  • carmatic
  • · Replies 2 ·
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2

Graduate Thinking about electricity and magnetism, and some relativity

  • TheTank
  • · Replies 3 ·
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3

Undergrad Self Noise in Dynamic Microphones

  • jamesadrian
  • · Replies 2 ·
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2

Graduate Longitudinal magnetic forces in conductors

  • TrickyDicky
  • · Replies 3 ·
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3

Graduate Paschen's Law and E-field between spheres

  • Mr Boom
  • · Replies 1 ·
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1

Undergrad Need Expert help on levitating an object

  • BlCrekTaxdrmy
  • · Replies 6 ·
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6

High School Static electricity and high voltage?

  • Taylor_1989
  • · Replies 2 ·
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2

Undergrad Question about magnetic induction

  • max11011
  • · Replies 5 ·
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5

Undergrad Producing constant torque in the simple electric motor.

  • tasnim rahman
  • · Replies 10 ·
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10

Undergrad Force exterted on a ferromagnetic object in a magnetic field

  • grumpybuffalo
  • · Replies 6 ·
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6

Undergrad Power line workers and voltage

  • Bhiggs
  • · Replies 5 ·
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5

Undergrad Resistance of a solution between two electrodes

  • jagnala
  • · Replies 3 ·
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3

High School AC vs DC and the flow of electrons

  • WarrickF
  • · Replies 7 ·
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7

Graduate Lorentz Force: Coupling w/Maxwell's Eqs

  • thegreenlaser
  • · Replies 5 ·
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5

Graduate Can Light Travel Faster Than c in Diamagnetic Materials?

  • conquerer7
  • · Replies 2 ·
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2

Undergrad Why Do Neutral and Charged Objects Attract?

  • Trollscience
  • · Replies 1 ·
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1

Graduate Johnson noise and a magnetic field

  • Isaiah Gray
  • · Replies 5 ·
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5

Undergrad How does the ionocraft's electrical circuit work without a ground?

  • ANarwhal
  • · Replies 10 ·
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10

Undergrad Envelope, carrier and beat frequency equations?

  • izzy93
  • · Replies 2 ·
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2

Undergrad Finding the resistance of a solenoid?

  • mattattack
  • · Replies 1 ·
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1

Undergrad Air Flow in a 10m. pipe - generating electricity ?

  • azoulay
  • · Replies 5 ·
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5

Undergrad Understanding Electromagnetic Waves & Momentum

  • polaris90
  • · Replies 1 ·
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1

Undergrad Simulating toy magnet balls ? (eg: Zen magnets)

  • vlad2048
  • · Replies 6 ·
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6

Undergrad Can the Attractive Force Between a Metallic Object and a Magnet be Quantified?

  • Cluelessness
  • · Replies 1 ·
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1

Undergrad Electric potential and earth/ground

  • fletch-j
  • · Replies 8 ·
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8

Undergrad Gravity used to produce Electrical current?

  • Emp-Naval
  • · Replies 9 ·
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9

Undergrad Electric Dipole Moment: Meaning & Significance

  • Inhsdehkc
  • · Replies 7 ·
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7

High School What is the reason for grounding a circuit ?

  • shalikadm
  • · Replies 7 ·
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7

Undergrad Transformers, its current and its resistance

  • Taturana
  • · Replies 2 ·
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2

Graduate Permanent magnet trapped inside a superconductor

  • jreelawg
  • · Replies 1 ·
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1

Undergrad Which diameter of two core cable?

  • blimthepixie
  • · Replies 2 ·
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2

Graduate Designing Shielding Box for High Voltage Cylinder

  • india
  • · Replies 5 ·
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5

Graduate Measuring up to ~2T magnetic fields

  • metalplastic
  • · Replies 2 ·
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2

Undergrad Why don't magnetic motors work?

  • dipole
  • · Replies 1 ·
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1

Undergrad Dielectric slab in between plates of capacitor

  • karanbir
  • · Replies 2 ·
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2

Graduate In-plane wave vector of em wave

  • apaeru
  • · Replies 2 ·
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2

Undergrad What is the Difference Between Magnetic Moment and Magnetic Domain?

  • gbaby370
  • · Replies 5 ·
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5

Undergrad Differential Equations and Circuits

  • nikki__10234
  • · Replies 2 ·
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2

Undergrad Does Coulomb's Law apply to more than point charges?

  • Ralphonsicus
  • · Replies 9 ·
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9

Undergrad Optimal electromagnet bobbin material

  • jlknauff
  • · Replies 1 ·
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1

High School Help with electromagnets wiring method

  • Taylor_1989
  • · Replies 10 ·
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10

Graduate Why isn't the magnetic flux of a loop infinite?

  • Arijun
  • · Replies 8 ·
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8

Undergrad How is G = R / R^2 + X^2 derived?

  • impaJah
  • · Replies 9 ·
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9

High School Understanding Cell Circuits and the Direction of EMF

  • jsmith613
  • · Replies 2 ·
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2

Undergrad Tesla Coil as Power Transmitter

  • TestTubeGames
  • · Replies 4 ·
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4

Undergrad Derivation for E = V/d? (capacitors)

  • plazprestige
  • · Replies 3 ·
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3

Undergrad How Does a Capacitor React to a Sawtooth Wave Input?

  • vig
  • · Replies 7 ·
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7

Graduate Magnetic moment of a current loop.

  • center o bass
  • · Replies 1 ·
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1

Undergrad How to build an Electrostatic Spray system with pics.

  • richie_rich
  • · Replies 13 ·
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13

Undergrad Understanding Hydraulic Resistance: A Comparison to Electrotechnics

  • Yuri B.
  • · Replies 10 ·
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10

High School Question about magnetism and electricity

  • AH020387
  • · Replies 2 ·
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2

Graduate Jefimenko's Equations: Understanding and Interpretation

  • dipole
  • · Replies 13 ·
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13

High School Question about electromagnetism

  • AH020387
  • · Replies 1 ·
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1

Graduate A question about line images(electrostatics)

  • ShayanJ
  • · Replies 2 ·
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2

Graduate Application of Maxwell Boltzmann velocity distribution to nanoscale systems

  • jeetu
  • · Replies 1 ·
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1

Undergrad Question about angular frequency

  • Nomad91
  • · Replies 6 ·
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6

Undergrad Make an electroMatnetic with formula

  • baby_1
  • · Replies 4 ·
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4

Graduate Phase-Locking Proton Precession with 90° RF at Lamour Frequency

  • amylase
  • · Replies 1 ·
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1

Undergrad Electricity: conceptual understanding help

  • fletch-j
  • · Replies 12 ·
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12

Undergrad Basic magnetism on square loop question?

  • helpmeplz!
  • · Replies 1 ·
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1

Undergrad How Electric potential and potential difference work in batteries

  • htttp
  • · Replies 3 ·
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3

Undergrad What typical voltages are induced from a typical magnet (50-75 gauss)

  • drk52
  • · Replies 5 ·
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5

Undergrad Time course of magnetic field formation (spatial distribution of field)

  • Gotrobotfrien
  • · Replies 1 ·
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1

High School How is electric charge measured?

  • jd12345
  • · Replies 4 ·
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4

Undergrad Obtaining Electricity from the Earth's Magnetic Field

  • AliAhmed
  • · Replies 3 ·
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3

Undergrad Any device to measure frequency of photon?

  • oem7110
  • · Replies 7 ·
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7

Undergrad Magnetic field by a finite section of wire?

  • helpmeplz!
  • · Replies 1 ·
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1

Undergrad Constant Current in Batteries? How?

  • plazprestige
  • · Replies 16 ·
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16

Graduate How permittivity arises in vacuum?

  • aditya23456
  • · Replies 22 ·
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22

Graduate Is it theoretically possible to create any electric field

  • HGTy
  • · Replies 1 ·
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1

Undergrad Paralleling capacitors effect on total esr reduction.

  • goodguy
  • · Replies 9 ·
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9

High School How to add inductors in series/parallel?

  • ozone
  • · Replies 4 ·
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4

Graduate Understanding Electromagnetic Duality in Free Space without Sources

  • catlike
  • · Replies 1 ·
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1

Graduate My Charged Insulating Marble: What Should Have Happened?

  • jjustinn
  • · Replies 10 ·
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10

Graduate AC magnetic field applied to a superconductor, London Theory

  • BlindRacoon
  • · Replies 1 ·
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1