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Undergrad AC vs DC Generated Magnetic Field

  • cesaredu13
  • · Replies 3 ·
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3

High School Electric Flux: Does Material Matter?

  • zinedine_88
  • · Replies 2 ·
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2

High School Is Free Fall Possible Without Air Resistance?

  • hydrogen
  • · Replies 3 ·
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3

Undergrad How a potentiometer can be used to measure an unknown emf?

  • Joza
  • · Replies 3 ·
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3

Undergrad Potential/self energy of a charged spherical shell

  • Sourabh N
  • · Replies 13 ·
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13

High School Why does fuse wire always break in the middle?

  • p3t3r1
  • · Replies 8 ·
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8

Undergrad Gauss's Law with Dielectric: Deriving and Applying the Most General Form

  • breez
  • · Replies 2 ·
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2

Undergrad Understanding the Photoelectric Effect: Electrons and Energy

  • Physicsissuef
  • · Replies 22 ·
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22

Graduate Gauss's and Coulomb's law forms and gravitational field

  • user01
  • · Replies 6 ·
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6

Undergrad A conceptual question about current

  • O.J.
  • · Replies 17 ·
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17

Graduate Explaining Toroidal Transformers & Their Self-Shielding Properties

  • dot
  • · Replies 4 ·
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4

Undergrad Electric Field Produced by an Infinite Sheet.

  • smithnh
  • · Replies 4 ·
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4

High School TV Researcher needs help w/ electromagnet

  • cm.jwmprod
  • · Replies 1 ·
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1

High School Electric or Magentic fields dangerous?

  • nanoWatt
  • · Replies 22 ·
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22

Graduate Isolation from magnetic field?

  • Ulysees
  • · Replies 9 ·
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9

Undergrad Electric field drop exponentially

  • ythaaa
  • · Replies 5 ·
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5

Undergrad Air cooled coil electromagnet ?

  • kroovstein
  • · Replies 2 ·
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2

Undergrad Finding Formulas for College ASME Project

  • Samo
  • · Replies 2 ·
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2

Undergrad Amount of charge spherical conductor can hold in air

  • jh12
  • · Replies 1 ·
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1

Undergrad Can Springs and Capacitors Be Compared in Energy Storage?

  • sid.shah.90
  • · Replies 1 ·
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1

High School Area of a Parallel Plate capacitor. Pi*r^2?

  • Specimen
  • · Replies 2 ·
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2

Graduate The Earth's Electric Field and the size of Dinosaurs.

  • Chaos' lil bro Order
  • · Replies 1 ·
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1

Graduate Why can't time-varying EM fields exist in a perfect conductor?

  • Very curious
  • · Replies 3 ·
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3

Graduate The Electromagnetic Spectrum: Wavelengths, Limits, and the Universe

  • poeteye
  • · Replies 4 ·
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4

Undergrad Coils & Questions: Charging Batteries with Magnets

  • secondfret
  • · Replies 6 ·
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6

Graduate Force on Magnetized Fluid: Intuitive Explanation

  • da_willem
  • · Replies 2 ·
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2

Graduate Create High Voltage Zero Current Pure Electrostatic Device

  • Darmansyah
  • · Replies 4 ·
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4

Undergrad Electical shock, electrocution questions

  • johnl
  • · Replies 1 ·
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1

Undergrad Understanding Electric Potential: Work and Infinity Explained

  • v_pino
  • · Replies 1 ·
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1

Undergrad E and M fields in a faraday cage

  • Robismyname
  • · Replies 7 ·
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7

Undergrad Question about the comparative masses of Protons, Neutrons, and Electrons

  • minimal
  • · Replies 7 ·
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7

Undergrad Can somebody tell my where I am going to wrong.

  • dbernat32
  • · Replies 1 ·
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1

Undergrad What is the impact of air resistance on projectile motion?

  • SilverVenom
  • · Replies 3 ·
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3

Graduate Is the Total Charge in the Universe Really Zero?

  • Q_Goest
  • · Replies 30 ·
2
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30

Undergrad Water droplet problem/electric fields

  • jh12
  • · Replies 1 ·
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1

High School Thickness of bulb filament affect brightness?

  • kapellmeister
  • · Replies 10 ·
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10

Graduate Speed of Electricity: Is it Possible for Electrons to Travel at c?

  • fred2028
  • · Replies 17 ·
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17

Undergrad Electric Fields equation force

  • v_pino
  • · Replies 3 ·
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3

Undergrad Understanding Voltage at the Microscopic Level: How Does It Really Work?

  • unseensoul
  • · Replies 3 ·
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3

Undergrad What Happens When Current is Introduced into an Ungrounded Faraday Cage?

  • Physicsissuef
  • · Replies 31 ·
2
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31

Undergrad Calculating the electric field

  • america8371
  • · Replies 2 ·
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2

Undergrad Gauss's Law: Net Charge Enclosed by Surface?

  • breez
  • · Replies 1 ·
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1

Undergrad Does Pipe Diameter Affect Water Flow Rate?

  • vachan
  • · Replies 1 ·
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1

Undergrad Step down transformers & efficiency?

  • mxtiger67
  • · Replies 11 ·
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11

Undergrad Coulomb's Law vs. Gauss's Law Paradox

  • breez
  • · Replies 1 ·
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1

Graduate Ideal conductor and charge movement

  • Paul20
  • · Replies 5 ·
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5

High School Discharge a magnetized bearing

  • mike_302
  • · Replies 8 ·
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8

Undergrad Can external current pass through Faraday cage,like thunder?

  • Physicsissuef
  • · Replies 1 ·
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1

Undergrad Why a magnetic flux in closed surface area is always 0?

  • Physicsissuef
  • · Replies 38 ·
2
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38

Graduate Can an antenna with a positive charge emit a radio wave, and why or why not?

  • JayKo
  • · Replies 15 ·
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15

Graduate Symmetry and Conservation of Charge

  • Moridin
  • · Replies 4 ·
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4

High School Why the induced emf is always negative?

  • Physicsissuef
  • · Replies 4 ·
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4

Undergrad Where does faraday's law come from (law of induction)

  • DaNiEl!
  • · Replies 3 ·
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3

Graduate Electric field becomes electromagnetic waves if observer is moving

  • Ulysees
  • · Replies 16 ·
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16

Graduate Why is this apparent violation of the action and reaction law occurring?

  • Ulysees
  • · Replies 5 ·
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5

High School What is change in the magnetic flux (delta B)?

  • Physicsissuef
  • · Replies 6 ·
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6

Graduate Problem with differential form of Maxwell's third equation?

  • leright
  • · Replies 55 ·
2
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55

Graduate Dielectrics scattering electromagnetic waves

  • JerseyDevil
  • · Replies 2 ·
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2

Undergrad BCalculate Speed of Electrons/Current in Circuits - Sparky_B

  • Sparky_
  • · Replies 4 ·
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4

High School Which Rod Transfers More Charge to a Metal Ball?

  • duoheer
  • · Replies 1 ·
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1

Graduate How does magnetism arise in permanent magnets?

  • FredMadison
  • · Replies 4 ·
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4

Undergrad Where is has the other half of the energy gone ?

  • MrPhy
  • · Replies 6 ·
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6

Undergrad EM Waves: How Do They Get Generated?

  • torquerotates
  • · Replies 6 ·
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6

High School Can Radio Waves Produce Electricity in a Large Coil of Wire?

  • daniel_i_l
  • · Replies 2 ·
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2

Graduate Charged Massless Waves in Maxwells Equations?

  • Phrak
  • · Replies 10 ·
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10

High School Why does my TV turn on by itself sometimes?

  • DaveC426913
  • · Replies 6 ·
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6

Graduate What exactly happens in a conducting conductor?

  • Gerenuk
  • · Replies 4 ·
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4

Undergrad Relative Permeability of Lead: Can I Assume Value of 1?

  • shatou
  • · Replies 2 ·
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2

Graduate A general problem with magnetism

  • Tanja
  • · Replies 4 ·
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4

Undergrad What makes the electrons move in conductor? (em induction)

  • Physicsissuef
  • · Replies 11 ·
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11

High School Really basic resistance question, but not sure.

  • Chantry09
  • · Replies 25 ·
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25

High School Which Adapter Requires More Watts for My Device?

  • Latvian
  • · Replies 6 ·
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6

Graduate Dielectric constant depression of water?

  • excalibur313
  • · Replies 2 ·
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2

Graduate Supressing dielectric constant of water?

  • excalibur313
  • · Replies 1 ·
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1

Undergrad Calculating Load of an Electromagnet

  • the magnet man
  • · Replies 3 ·
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3

Undergrad Electromagnetic/gravitational fields

  • David_Harkin
  • · Replies 16 ·
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16

Graduate Magnetohydrodynamic Generator (POPTOR 2005)

  • EFuzzy
  • · Replies 3 ·
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3

Graduate Solving electrostatic, rotationally symmetric 3D problem with conformal mapping?

  • Gerenuk
  • · Replies 3 ·
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3

High School Where would a voltmeter read 0 in a simple circuit?

  • lollol
  • · Replies 3 ·
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3

Undergrad How does the turns ratio affect the current and voltage in a transformer?

  • hylian_loach
  • · Replies 5 ·
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5

Graduate Electric potential energy in an infinite 2d crystal

  • Istvan
  • · Replies 2 ·
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2

Graduate Why Is There a -1/4 Factor in the Electromagnetic Lagrangian?

  • captain
  • · Replies 1 ·
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1

Graduate Time dependent electric force at large distance

  • Shintao
  • · Replies 4 ·
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4

Undergrad Coulomb's Law: Meaning and Origin of 4*pi

  • TheAnalogKid83
  • · Replies 7 ·
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7

Graduate Can Divergence Exist Without Magnetic Monopoles?

  • nightmaster
  • · Replies 14 ·
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14

Undergrad Help with a little project I'm trying to do:

  • Specimen
  • · Replies 1 ·
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1

High School How do Resistors and Capacitors behave in parallel circuits?

  • lollol
  • · Replies 6 ·
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6

High School Resistors in Series: Why Don't Electrons Use All Energy?

  • ||spoon||
  • · Replies 7 ·
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7

Graduate Electrostatic Speed Experiments?

  • ObsessiveMathsFreak
  • · Replies 2 ·
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2

Graduate Understanding Ampere's Law, Gauss's Law, and the Continuity Equation

  • touqra
  • · Replies 5 ·
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5

High School Electrons speed and magnetic fields

  • Physicsissuef
  • · Replies 2 ·
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2

Graduate Electrostatic force between two arbitrary shapes

  • yiorgos
  • · Replies 4 ·
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4

Graduate Ferromagnetism, electrodynamics and field theory

  • Babcock McGee
  • · Replies 1 ·
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1

High School EM Waves: Understanding w/o Quantum Mechanics?

  • barnaby
  • · Replies 33 ·
2
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33

Graduate EMF Shielding: Examining the Effects on Static Magnetic Fields

  • Efthimios
  • · Replies 2 ·
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2

High School Can a Magnet Move Constantly Without Any External Force?

  • richie9648
  • · Replies 8 ·
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8

Undergrad How do EM waves propagate in spherical emission?

  • kcodon
  • · Replies 45 ·
2
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45

Undergrad What Determines a Solenoid's Magnetic Field: Voltage or Power?

  • kmarinas86
  • · Replies 5 ·
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5

Graduate Does the Net Charge of a Dielectric Affect the External Electric Field?

  • Sculptured
  • · Replies 2 ·
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2

Graduate Light momentum inside a dielectric medium?

  • Repetit
  • · Replies 2 ·
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2