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Undergrad Why is conversation across continents instantaneous using telephone?

  • indianya
  • · Replies 7 ·
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7

Undergrad How Do You Calculate Induced EMF in a Dynamo?

  • Entanglement
  • · Replies 1 ·
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1

Undergrad Newton's 3rd Law and electric charges

  • bgq
  • · Replies 2 ·
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2

Undergrad Electric Field Vectors: Does Force Follow Direction?

  • MathewsMD
  • · Replies 8 ·
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8

Undergrad Light Brightness Relationship with Potential and Current

  • justadream
  • · Replies 14 ·
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14

Undergrad Tungsten Wire Resistance Test | 12Vdc | Fluke Clamp Meter

  • magmash
  • · Replies 5 ·
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5

Graduate Understanding Beam Plasma System Formations

  • es.no
  • · Replies 1 ·
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1

Graduate Ferrite core variable inductor

  • jrand26
  • · Replies 4 ·
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4

Graduate Charge within a cavity inside a conducting material

  • kmm
  • · Replies 4 ·
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4

Graduate Integral of magnetic field over the sphere

  • hokhani
  • · Replies 1 ·
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1

Undergrad Electric field near a point just outside a conductor

  • arvindsharma
  • · Replies 2 ·
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2

Undergrad How does charge pass through a capacitor?

  • jmachu2
  • · Replies 10 ·
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10

Graduate Why Does the First Term in the Force Equation Between Current Loops Cancel Out?

  • klawlor419
  • · Replies 6 ·
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6

Graduate Deriving the curl of the magnetic field

  • pkjag
  • · Replies 1 ·
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1

Undergrad How can you use electricity to create static charge and bend water?

  • Bonez
  • · Replies 5 ·
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5

Graduate Electrostatic Boundary Conditions

  • kmm
  • · Replies 7 ·
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7

Undergrad Earth's Magnetic Poles: Why Do They Not Correspond?

  • MartinV05
  • · Replies 5 ·
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5

Undergrad Why do objects attract each other when placed close together?

  • Paperweight
  • · Replies 14 ·
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14

Undergrad Can magnetic fields be altered to block cosmic radiation and charged particles?

  • rangerellis
  • · Replies 12 ·
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12

High School Who first assigned negative to electrons and positive to protons?

  • rbj
  • · Replies 20 ·
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20

Undergrad What's wrong with this diagram of magnetic field lines?

  • magnetics
  • · Replies 35 ·
2
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35

Graduate Why Can't the Dirac Delta Function Be a Solution in Electrostatics?

  • possible
  • · Replies 10 ·
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10

Graduate Charge density of some potentials

  • hokhani
  • · Replies 1 ·
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1

High School Magnetic Field Lines: What Causes Gaps?

  • abrahamjp
  • · Replies 2 ·
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2

High School Relationship between current and voltage.

  • adzbuckland
  • · Replies 5 ·
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5

Undergrad Can the Dielectric Permittivity of a Material Be Altered?

  • Mr.Bomzh
  • · Replies 65 ·
3
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65

Undergrad Can a Series of Magnetic Rails Create Continuous Motion?

  • Crazymechanic
  • · Replies 10 ·
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10

Graduate What Causes Delay in Magnetic Flux Propagation?

  • ronanrice
  • · Replies 20 ·
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20

Undergrad Understanding Self-Inductance of a Coil: How Does it Happen?

  • kira506
  • · Replies 23 ·
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23

High School Concept question about electric force

  • barryj
  • · Replies 8 ·
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8

Graduate Air resistance upon a spinning block

  • Lonewolf723
  • · Replies 2 ·
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2

Graduate Energy stored in capacitor w/ dielectric

  • kbar1
  • · Replies 10 ·
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10

Graduate Question on a simple caluclation of electric susceptibility

  • ShayanJ
  • · Replies 2 ·
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2

Graduate 5 positivly charged particles on sphere, min energy configuration, rel

  • Spinnor
  • · Replies 3 ·
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3

Undergrad What is the relationship between magnetic flux and coil wire?

  • Entanglement
  • · Replies 24 ·
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24

Undergrad What happens to an electron when its used in a closed circuit?

  • Air39
  • · Replies 5 ·
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5

Undergrad How do I charge a small battery with a large battery?

  • Aro2220
  • · Replies 28 ·
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28

Undergrad How Does Adjusting a Rheostat Impact Voltage Distribution in a Circuit?

  • kira506
  • · Replies 5 ·
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5

Undergrad Pleease explain uniformity of B in circular loop ?

  • kira506
  • · Replies 8 ·
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8

Undergrad Lowest frequency of a transformer

  • Crazymechanic
  • · Replies 4 ·
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4

High School Lenz's law: determining current direction

  • tdod
  • · Replies 4 ·
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4

Graduate TE Waves in Rectangular Wave Guide

  • unscientific
  • · Replies 8 ·
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8

High School Does Cold air cause more Air Resistance?

  • John231
  • · Replies 9 ·
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9

Undergrad EMF Induction: What's the Explanation?

  • Entanglement
  • · Replies 13 ·
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13

Undergrad How Does an Electric Field Affect Magnetic Dipole Direction?

  • harjot singh
  • · Replies 12 ·
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12

Undergrad The electric field of an atom is puzzling to me

  • bobie
  • · Replies 3 ·
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3

Graduate Boudary conditions, rough interface (Electrodynamics)

  • sukharef
  • · Replies 1 ·
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1

Undergrad Understanding Conventional vs. Non-Conventional Current in Circuit Analysis

  • Jewish_Vulcan
  • · Replies 10 ·
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10

Undergrad Electromagnetism Electromagnetic fields

  • james walshe
  • · Replies 1 ·
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1

Undergrad Capacitors , why cant series combination be used in an open circuit?

  • K Dhiraj Bhak
  • · Replies 3 ·
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3

Undergrad Electromagnetism electric fields

  • james walshe
  • · Replies 2 ·
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2

Undergrad Is it possible to move air using a magnetic field?

  • Sharky
  • · Replies 3 ·
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3

Undergrad Magnetic field due to moving charges?

  • harjot singh
  • · Replies 10 ·
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10

Undergrad What carries the energy in an electric current?

  • Doug1943
  • · Replies 54 ·
2
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54

Undergrad Why is Potential Dependent on Location in Kirchhoff's Law?

  • Entanglement
  • · Replies 20 ·
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20

Undergrad Electrons are negative, same charges repel, then what about this?

  • Trojan666ru
  • · Replies 3 ·
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3

Graduate Magnetization Dynamics: Modeling the Ferrite Core of a Joule Thief

  • OGrowli
  • · Replies 1 ·
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1

Undergrad What is a Field? - Understanding & Explanation

  • rohit dutta
  • · Replies 6 ·
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6

Undergrad Van de graaf options to increase reliability in humid areas.

  • richie_rich
  • · Replies 1 ·
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1

Graduate Electric field of a point charge in uniform motion

  • unscientific
  • · Replies 2 ·
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2

Undergrad Resistance to acceleration dependent upon mass or weight?

  • inertiaforce
  • · Replies 62 ·
3
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62

High School Magnetic needle inside a solenoid

  • Entanglement
  • · Replies 6 ·
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6

High School Electric Current in an open circuit

  • Entanglement
  • · Replies 26 ·
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26

Undergrad Attraction between coaxial solenoids

  • LordBerkley
  • · Replies 3 ·
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3

Graduate X-ray crystallography, protons or electrons?

  • zincshow
  • · Replies 1 ·
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1

High School Looking for an Electric Field Simulator: Any Recommendations?

  • Mr.Bomzh
  • · Replies 2 ·
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2

Graduate Field lines of electrons in an atomic orbital

  • xortdsc
  • · Replies 37 ·
2
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37

Graduate Potential of spherical charge distribution

  • Observer Two
  • · Replies 2 ·
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2

Graduate Are There Surfaces of Force in Addition to Lines of Force in Fields?

  • Jhenrique
  • · Replies 1 ·
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1

Undergrad Could I use electro magnets to repulse the earths magnetic field to levitate?

  • smartperson
  • · Replies 17 ·
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17

High School Statically charging polypropylene sheets

  • Catapult
  • · Replies 4 ·
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4

High School AC Voltage from 12V Battery Supply - Get Help Now

  • Dumte
  • · Replies 2 ·
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2

Graduate Charged Particle Beams: Uses & Potential Applications

  • Frigorifico
  • · Replies 8 ·
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8

Undergrad Gauss law and electric current

  • hokhani
  • · Replies 2 ·
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2

Undergrad What is the maximum magnetic field strength for a given size permanent magnet?

  • Crazymechanic
  • · Replies 1 ·
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1

Graduate Why does Larmor precession appear to go against the right hand rule?

  • kmm
  • · Replies 7 ·
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7

Undergrad Maximum current from a battery

  • abdo799
  • · Replies 8 ·
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8

High School What exactly is the positive/negative charge in batteries?

  • magdi_gamal
  • · Replies 4 ·
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4

Undergrad Speed of electrons in batteries

  • B4ssHunter
  • · Replies 14 ·
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14

Graduate Dielectric half-filled parallel plate capacitor

  • unscientific
  • · Replies 3 ·
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3

Undergrad Why would voltage decrease over a resistor?

  • mpatryluk
  • · Replies 38 ·
2
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38

Undergrad Can I store a neodymium magnet in a freezer?

  • rohit dutta
  • · Replies 3 ·
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3

Graduate [Electromagnetism,optics]How to attack a problem of dielectric tensor?

  • buoyant
  • · Replies 3 ·
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3

Undergrad Capacitor Charge Flow: Examining Circuit Behavior in Multisim

  • Mr.Bomzh
  • · Replies 26 ·
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26

Graduate From Poynting vector to EM wave

  • simoncks
  • · Replies 17 ·
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17

Graduate Field inside Dielectric (Griffiths)

  • unscientific
  • · Replies 5 ·
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5

High School Can someone explain the iron shavings flux line experiment to me?

  • mpatryluk
  • · Replies 1 ·
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1

Undergrad Law of Transformers: A.C Source & Induced EMFs

  • B4ssHunter
  • · Replies 3 ·
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3

Undergrad Does the backward emf reach the Source emf ?

  • B4ssHunter
  • · Replies 4 ·
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4

High School Magnetism, electrical and thermal conductivity of metals

  • learnphysics10
  • · Replies 1 ·
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1

Graduate X-ray's can cause demagnetization?

  • Dash-IQ
  • · Replies 12 ·
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12

Undergrad Are all atoms of a ferro conductor attracted in a magnetic field?

  • leviterande
  • · Replies 3 ·
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3

Undergrad Why Does the Movement of Charged Particles Create a Magnetic Force?

  • harjot singh
  • · Replies 8 ·
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8

Graduate Why is a current induced in a conductor placed in a changing m.field ?

  • B4ssHunter
  • · Replies 8 ·
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8

Undergrad Can someone me understand voltage

  • mpatryluk
  • · Replies 2 ·
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2

Undergrad Electromagnetism: Trouble understanding the D field

  • BeBattey
  • · Replies 3 ·
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3

Undergrad Microwave oven EM wave amplitude

  • anorred
  • · Replies 1 ·
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1

Graduate Kittel: possible states of magnetic

  • Aziza
  • · Replies 2 ·
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2

Undergrad Calculating Terminal Velocity with Air Resistance: A Case Study in Free Fall

  • eehiram
  • · Replies 2 ·
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2

Graduate How to calculate the magnetic field generated by accelerating charges?

  • the_m-theorist
  • · Replies 2 ·
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2