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High School Conducting Electricity: No Wire Transfers?

chound
Dec 24, 2004 · Replies 12 · Jan 8, 2005

Replies: 12

Undergrad Where Does Half of the Work Done by a Battery Go in a Capacitor Circuit?

ukamle
Jan 2, 2005 · Replies 5 · Jan 8, 2005

Replies: 5

High School Longest EM Wave Length: Man-Made or Natural?

wolram
Jan 7, 2005 · Replies 7 · Jan 7, 2005

Replies: 7

Undergrad Electromagnetic Wave: Explaining Proportions for Visualization

pikapika!
Jan 6, 2005 · Replies 4 · Jan 7, 2005

Replies: 4

High School EM Waves, SONAR, Diffraction, Charge Transfer, and Electric Force

7bear
Jan 5, 2005 · Replies 8 · Jan 6, 2005

Replies: 8

Graduate THermodynamics of a magnetic system

Feynmanfan
Jan 5, 2005 · Replies 1 · Jan 5, 2005

Replies: 1

Graduate A question about electromagnetic wave function

somy
Dec 31, 2004 · Replies 9 · Jan 1, 2005

Replies: 9

Undergrad How does 300 000 000 come out to 299792 km/s?

DB
Dec 30, 2004 · Replies 13 · Dec 31, 2004

Replies: 13

Undergrad Proton Magnetic Fields: Can They Create B Fields?

FulhamFan3
Dec 30, 2004 · Replies 6 · Dec 30, 2004

Replies: 6

High School Calculating Force Using Coulomb's Law

DB
Dec 23, 2004 · Replies 5 · Dec 24, 2004

Replies: 5

High School What is the electrically charged particle that consists of 1 coulomb?

DB
Dec 22, 2004 · Replies 2 · Dec 23, 2004

Replies: 2

Undergrad Can Faraday's Law Explain the Induced Current in Two Concentric Loops of Wire?

matpo39
Dec 20, 2004 · Replies 5 · Dec 20, 2004

Replies: 5

Undergrad General definition of capacitance

StatusX
Dec 13, 2004 · Replies 5 · Dec 20, 2004

Replies: 5

Undergrad What is the resonance frequency expression for a parallel RLC circuit?

yxgao
Dec 16, 2004 · Replies 6 · Dec 20, 2004

Replies: 6

Graduate Aharonov-Bohm Effect: Real or Myth?

Mk
Oct 29, 2004 · Replies 1 · Dec 20, 2004

Replies: 1

Undergrad Explore EMF Induction: Why & How It Occurs

DeathKnight
Dec 14, 2004 · Replies 11 · Dec 19, 2004

Replies: 11

Graduate Electromagnetic Wave Scattering

One and Zero
Dec 15, 2004 · Replies 5 · Dec 17, 2004

Replies: 5

Undergrad Create Your Own EM Lab Experiments| Alternatives | Rigging Up Tanks

sivaram
Dec 17, 2004 · Replies 1 · Dec 17, 2004

Replies: 1

Graduate Do Electrons Exist? Investigating the Evidence

Tisthammerw
Nov 20, 2004 · Replies 13 · Dec 16, 2004

Replies: 13

Undergrad Calculating Error in Voltage (V) from Errors in I & R

mathlete
Dec 12, 2004 · Replies 9 · Dec 13, 2004

Replies: 9

Undergrad Can Gluing High Powered Magnets with Same Poles Together Create a Dipole?

Dymium
Dec 12, 2004 · Replies 1 · Dec 13, 2004

Replies: 1

Undergrad How Do Electromagnetic Waves Remain Distinct Amid Interference?

one_raven
Dec 12, 2004 · Replies 4 · Dec 12, 2004

Replies: 4

Graduate Effect of pressure on a magnetic field

Richard King
Dec 9, 2004 · Replies 1 · Dec 9, 2004

Replies: 1

Graduate How Does Gravity Influence Quantum Magnetism?

KwizatzHaderach
Dec 4, 2004 · Replies 9 · Dec 9, 2004

Replies: 9

Undergrad Electricity & Resistance: The Physical Explanation

cosmonova
Nov 3, 2004 · Replies 3 · Dec 9, 2004

Replies: 3

Graduate Understanding Atomic Scale Potentials: The Role of Electrons as a Continuum

Cyrus
Nov 28, 2004 · Replies 12 · Dec 7, 2004

Replies: 12

Graduate How Does Helium's Dielectric Constant Vary with Temperature?

Gokul43201
Dec 6, 2004 · Replies 1 · Dec 7, 2004

Replies: 1

High School Parallel Plates Velocity of Electron

Dan17
Dec 6, 2004 · Replies 2 · Dec 6, 2004

Replies: 2

High School Curious question about Magnets

fomenkoa
Dec 1, 2004 · Replies 14 · Dec 5, 2004

Replies: 14

Graduate CRT Electron Beam Focusing: Math Treatment & Details

Euclid
Dec 1, 2004 · Replies 12 · Dec 5, 2004

Replies: 12

High School Electric Circuits: Series Voltage, Parallel Voltage & Open Circuits

soccerjayl
Dec 5, 2004 · Replies 1 · Dec 5, 2004

Replies: 1

Undergrad Why Do Electric Fields Move from Positive to Negative Charges?

devious_
Dec 1, 2004 · Replies 8 · Dec 4, 2004

Replies: 8

Graduate Can anyone help me with Electron Probability Density?

CollectiveRocker
Dec 3, 2004 · Replies 2 · Dec 3, 2004

Replies: 2

Undergrad New ways to generate electricity ?

scilover89
Dec 2, 2004 · Replies 4 · Dec 3, 2004

Replies: 4

Undergrad Efficency of electrical heat and light

hollis
Dec 1, 2004 · Replies 1 · Dec 1, 2004

Replies: 1

High School Filament Breakage: The Impact of Resistance and Temperature?

Gughanath
Nov 29, 2004 · Replies 4 · Nov 29, 2004

Replies: 4

Graduate Resistance of a sphere of resistivity rho and radius S

Sadiq
Nov 28, 2004 · Replies 1 · Nov 29, 2004

Replies: 1

Undergrad Question regarding units of some magnetic quantities

Brad Barker
Nov 23, 2004 · Replies 8 · Nov 27, 2004

Replies: 8

Undergrad Induction of Charge: Why & How Does it Occur?

greatscott
Nov 26, 2004 · Replies 3 · Nov 26, 2004

Replies: 3

Undergrad How Does Charge Addition Affect Capacitor Potential in a Circuit with Resistors and Battery?

lakshmi
Nov 24, 2004 · Replies 2 · Nov 24, 2004

Replies: 2

Undergrad Solenoid Problem: B Field Constant on Plane of Loop

Cyrus
Nov 20, 2004 · Replies 29 · Nov 23, 2004

Replies: 29

Undergrad Maximum pull a of normal magnet

BasketDaN
Nov 10, 2004 · Replies 8 · Nov 23, 2004

Replies: 8

Undergrad Suggestions for an E&M Book to Study: No Grad Level Here!

Cyrus
Nov 21, 2004 · Replies 7 · Nov 22, 2004

Replies: 7

Graduate Important Charged Particle Collisions

decamij
Nov 22, 2004 · Replies 3 · Nov 22, 2004

Replies: 3

High School What Causes Iron to Exhibit Magnetic Behavior?

ballballisicious
Nov 21, 2004 · Replies 3 · Nov 22, 2004

Replies: 3

Undergrad Impedance/AC Circuits: Computing RMS Current

GlennBridgman
Nov 21, 2004 · Replies 1 · Nov 21, 2004

Replies: 1

High School Magnetic Field Blocking: Discover the Best Substance to Block Magnetic Fields

golansha
Nov 21, 2004 · Replies 1 · Nov 21, 2004

Replies: 1

Graduate Radiation by accelerating charges

spacetime
Nov 21, 2004 · Replies 1 · Nov 21, 2004

Replies: 1

Undergrad What causes the force of attraction between two permanent magnets?

so-crates
Nov 20, 2004 · Replies 5 · Nov 21, 2004

Replies: 5

Undergrad Electric Potential: 0 Between 2 Point Charges of +q?

daveed
Nov 19, 2004 · Replies 2 · Nov 19, 2004

Replies: 2

Undergrad Can Magnet Wire Be Used to Turn Objects into Speakers?

puuukeey
Nov 16, 2004 · Replies 5 · Nov 18, 2004

Replies: 5

Graduate Solving why sun/earth magnetic flips occur

tfleming
Nov 18, 2004 · Replies 7 · Nov 18, 2004

Replies: 7

Graduate Is Ether Essential for Electromagnetic Wave Propagation?

saiarun
Nov 18, 2004 · Replies 1 · Nov 18, 2004

Replies: 1

High School Conventional Current: Tom's Questions Answered

ThomasR
Nov 14, 2004 · Replies 2 · Nov 17, 2004

Replies: 2

Undergrad Magnetic Fields: Deciphering True/False Questions

jazzylady03
Nov 17, 2004 · Replies 1 · Nov 17, 2004

Replies: 1

Undergrad How is electrical potential transmitted through an electric circuit

Quercus
Nov 15, 2004 · Replies 7 · Nov 16, 2004

Replies: 7

Graduate The Lorentz force in the MKS and CGS measurement systems

ILens
Nov 11, 2004 · Replies 11 · Nov 16, 2004

Replies: 11

High School Question about Electricity and Water

Ravenlock
Nov 14, 2004 · Replies 4 · Nov 15, 2004

Replies: 4

Undergrad Why do inductors and capacitors have voltage-current lead/lag?

brendan_foo
Nov 11, 2004 · Replies 2 · Nov 15, 2004

Replies: 2

Graduate Explaining Magnetic Bottle Force: Why Does It Point Inward?

Cyrus
Nov 10, 2004 · Replies 3 · Nov 11, 2004

Replies: 3

Undergrad Effect of Adding a Third Resistor in Parallel on Series Circuit Current

Romperstomper
Nov 10, 2004 · Replies 1 · Nov 10, 2004

Replies: 1

High School What Causes Electric Shocks in Our Bodies?

liv
Nov 7, 2004 · Replies 4 · Nov 8, 2004

Replies: 4

Graduate Black Hole Charge and Quantum Field Theory Interactions

Goongyae
Oct 7, 2004 · Replies 13 · Nov 7, 2004

Replies: 13

High School Electricity Q: Current in Circuit w/ 8V DC?

Karate Chop
Nov 6, 2004 · Replies 2 · Nov 6, 2004

Replies: 2

Graduate What is the Magnetic Field Between Parallel Plate Electrodes?

airbuzz
Oct 27, 2004 · Replies 2 · Nov 4, 2004

Replies: 2

High School Primary coil is used to overcome the back e.m.f

darkar
Nov 1, 2004 · Replies 6 · Nov 3, 2004

Replies: 6

Graduate Will an Accelerated Charge in an Isolated Universe Emit EM Waves?

siddharth
Nov 1, 2004 · Replies 10 · Nov 2, 2004

Replies: 10

Graduate Gravitomagnetic Force: Uncovering the Mystery

Jonny_trigonometry
Oct 29, 2004 · Replies 9 · Nov 2, 2004

Replies: 9

Undergrad Why Do Metallic Cylinders Rotate in a Magnetic Field?

echoSwe
Oct 26, 2004 · Replies 1 · Nov 1, 2004

Replies: 1

Undergrad Is Resonance the Key to Powering Oscillators with Weak Inductive Sources?

Jdo300
Oct 31, 2004 · Replies 1 · Nov 1, 2004

Replies: 1

Undergrad ECG Doppler Use: What You Need to Know

cynwood
Oct 31, 2004 · Replies 5 · Oct 31, 2004

Replies: 5

Graduate How Does Magnetic Flux Density B Relate to E and H in Electromagnetic Waves?

faber
Oct 30, 2004 · Replies 1 · Oct 31, 2004

Replies: 1

Undergrad Light & Electromagnetic fields

TheShapeOfTime
Oct 30, 2004 · Replies 5 · Oct 30, 2004

Replies: 5

Undergrad Understanding Voltage: Explaining Potential & Potential Energy in Circuits

Cyrus
Oct 26, 2004 · Replies 13 · Oct 30, 2004

Replies: 13

Undergrad Electromagnetic wave; the classical model

Cheman
Oct 27, 2004 · Replies 5 · Oct 28, 2004

Replies: 5

High School Making Electric Coils & Schumann Resonance

Jdo300
Oct 26, 2004 · Replies 4 · Oct 28, 2004

Replies: 4

High School Questions concering magnets and electromagnetism

bobbydigital
Oct 27, 2004 · Replies 1 · Oct 27, 2004

Replies: 1

Undergrad Calculating vertical displacement of an electron (millikan's experiment)

KWL
Oct 25, 2004 · Replies 2 · Oct 26, 2004

Replies: 2

High School Parallel Plate Capacitor and Dielectrics

scan
Oct 25, 2004 · Replies 2 · Oct 26, 2004

Replies: 2

Graduate Can Two Particles Achieve Perpetual Motion Through Attraction and Repulsion?

T@P
Oct 24, 2004 · Replies 4 · Oct 25, 2004

Replies: 4

Graduate A little critique on magnetic lines of force.

Fairfield
Nov 18, 2003 · Replies 1 · Oct 25, 2004

Replies: 1

Undergrad Calculating Solid Angles for Gauss' & Ampere's Laws

retupmoc
Oct 22, 2004 · Replies 3 · Oct 25, 2004

Replies: 3

Undergrad What is the reason for conventional current being used in electrolysis?

misogynisticfeminist
Oct 24, 2004 · Replies 4 · Oct 25, 2004

Replies: 4

Undergrad Electric Field Lines and right angles

phy
Oct 24, 2004 · Replies 2 · Oct 25, 2004

Replies: 2

Undergrad Motion in Magnetic Field : Co-Ordinates

HIGHLYTOXIC
Sep 8, 2004 · Replies 7 · Oct 25, 2004

Replies: 7

High School Calculate EMF of Cell with 10 ohms & 15 ohms Resistors

Chris-is-stuck
Oct 24, 2004 · Replies 1 · Oct 24, 2004

Replies: 1

High School Differences b/w Voltage,EMF,Potential diff.

rhia
Oct 24, 2004 · Replies 1 · Oct 24, 2004

Replies: 1

Undergrad How to derive Coulomb's Law using F=eE

devious_
Oct 23, 2004 · Replies 3 · Oct 23, 2004

Replies: 3

Undergrad What is the point in using a dielectric

Cyrus
Oct 21, 2004 · Replies 6 · Oct 23, 2004

Replies: 6

Graduate Electric Field Above a Charged Circular Disk

nibal
Oct 19, 2004 · Replies 2 · Oct 22, 2004

Replies: 2

Undergrad What is the Force Exerted on a Ball Dropped into a Horizontal Magnetic Field?

kristi.lynn
Oct 21, 2004 · Replies 2 · Oct 22, 2004

Replies: 2

Undergrad Smoothing a rectified a.c current

Koveras00
Oct 12, 2004 · Replies 3 · Oct 22, 2004

Replies: 3

Undergrad Can a Small EM Field Coexist with a Larger One?

wolram
Oct 21, 2004 · Replies 4 · Oct 22, 2004

Replies: 4

Undergrad Angular Frequency, Time, and Angle

Larry717
Oct 18, 2004 · Replies 7 · Oct 20, 2004

Replies: 7

Graduate Verifying Potential Equality on Charged Objects

Cyrus
Oct 16, 2004 · Replies 26 · Oct 20, 2004

Replies: 26

High School Electrostatic force, Newtons and Distance

fishboy39
Oct 17, 2004 · Replies 1 · Oct 17, 2004

Replies: 1

Undergrad Do Dielectric Properties of Materials Change with Frequency of RF Waves?

Mahfuz
Oct 16, 2004 · Replies 2 · Oct 17, 2004

Replies: 2

High School How does a moving magnet induce a current in a coil?

ylem
Oct 16, 2004 · Replies 5 · Oct 17, 2004

Replies: 5

High School A2 experiment and I'm totally confused

sexysam_short
Oct 14, 2004 · Replies 5 · Oct 16, 2004

Replies: 5

Undergrad Electric Field perpendicular to surface

Cyrus
Oct 16, 2004 · Replies 2 · Oct 16, 2004

Replies: 2

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