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High School Frog Levitation and Floating Water: Can It Be Achieved with a Homemade Solenoid?

bijanv
May 17, 2005 · Replies 11 · May 19, 2005

Replies: 11

High School Repulsion force between two magnets

Vic88
May 17, 2005 · Replies 7 · May 19, 2005

Replies: 7

Undergrad Calibrating a Hall Probe for Magnetic Flux Density Measurements

wynitia
May 18, 2005 · Replies 3 · May 18, 2005

Replies: 3

High School Know the total resistance of the whole circuit

ArielGenesis
May 12, 2005 · Replies 5 · May 18, 2005

Replies: 5

High School Is an Alpha Particle Charged Like an Electron?

lightuplightup
May 17, 2005 · Replies 1 · May 17, 2005

Replies: 1

High School How Does the Resistance of a Brick Change with Temperature?

blagadagadah!
Apr 18, 2005 · Replies 44 · May 17, 2005

2

Replies: 44

High School What is natural frequency in layman's terms?

chandran
May 17, 2005 · Replies 5 · May 17, 2005

Replies: 5

Graduate Monopole and Dipole moments

babtridge
May 16, 2005 · Replies 2 · May 17, 2005

Replies: 2

Graduate ? is to QM as Jackson is to electrodynamics.

inha
May 16, 2005 · Replies 3 · May 16, 2005

Replies: 3

High School Natural frequency of a wine glass

sniffer
May 14, 2005 · Replies 4 · May 14, 2005

Replies: 4

Undergrad Can magnetic fields from power lines harm people and be harvested for energy?

Arsonade
May 11, 2005 · Replies 9 · May 13, 2005

Replies: 9

Graduate B-Field Phase: AC Voltage vs. AC Current

locke
May 12, 2005 · Replies 1 · May 12, 2005

Replies: 1

Graduate Mutual Inductance: Coil Wrapping Direction & Opposite Poles

Phaedrus
May 12, 2005 · Replies 1 · May 12, 2005

Replies: 1

High School What Electrodynamic Forces Cause Pain When You Hit a Wall?

nishant
May 12, 2005 · Replies 8 · May 12, 2005

Replies: 8

Undergrad AC vs. DC Electricity: Why Does AC Travel Further Without Loss?

WarrickF
May 11, 2005 · Replies 6 · May 11, 2005

Replies: 6

Graduate Who is Boltzmann, Coulomb, and Avogadro?

Garry Denke
May 11, 2005 · Replies 4 · May 11, 2005

Replies: 4

Graduate Electron Clouds: Perpetual Motion? Response

Samuel A. (Sam) Cox
May 3, 2005 · Replies 2 · May 11, 2005

Replies: 2

Undergrad Can Electromagnetism Violate Newton's Third Law?

KamiKage
Apr 28, 2005 · Replies 22 · May 10, 2005

Replies: 22

Graduate Weird result/problems with magnetism experiment

JonoF
May 8, 2005 · Replies 4 · May 8, 2005

Replies: 4

Undergrad Can Piezoelectric Crystals Generate Electricity Under Stress?

extreme_machinations
May 6, 2005 · Replies 7 · May 8, 2005

Replies: 7

Graduate Lorentz transformation of angles between reference frames

Lorentzf
May 7, 2005 · Replies 6 · May 8, 2005

Replies: 6

Undergrad Could interference patterns from rotating wheels explain magnetic lines of force?

Steven Douglas
May 6, 2005 · Replies 20 · May 7, 2005

Replies: 20

Undergrad Calculating Air Resistance Work on a Thrown Ball

BunHead
May 5, 2005 · Replies 6 · May 7, 2005

Replies: 6

Undergrad Hillbilly Tutorial on Piezoelectric effect?

MonstersFromTheId
May 6, 2005 · Replies 2 · May 7, 2005

Replies: 2

Undergrad What is voltage and how does it relate to electric energy?

IntuitioN
May 5, 2005 · Replies 3 · May 6, 2005

Replies: 3

High School What Are the Similarities and Differences Between Magnetic and Electric Fields?

Revati
May 4, 2005 · Replies 2 · May 5, 2005

Replies: 2

Undergrad Measure Resistivity in Brick Using Lab Equipment

Bola Oladejo
Apr 28, 2005 · Replies 3 · May 5, 2005

Replies: 3

Graduate How does light from a lamp produce voltage in an LED?

ryan750
May 4, 2005 · Replies 35 · May 5, 2005

2

Replies: 35

Graduate Charge Redistribution in Unequal Capacitors with an Inductor

nishant
May 4, 2005 · Replies 3 · May 5, 2005

Replies: 3

Graduate Is Gauss' Law Wrong? Evidence & Explanation

Twukwuw
May 2, 2005 · Replies 9 · May 4, 2005

Replies: 9

High School Calibrating a Hall probe (again)

kentbrockman
May 4, 2005 · Replies 1 · May 4, 2005

Replies: 1

Graduate Capacitance of a cylinder containing an infinite number of cylinders

IanS
May 3, 2005 · Replies 2 · May 3, 2005

Replies: 2

Undergrad Solenoid 30cm long and 8cm in diameter

Lindz779
May 2, 2005 · Replies 2 · May 2, 2005

Replies: 2

High School Electrics (last minute check up for test tommorrow)

stardust rain
May 1, 2005 · Replies 1 · May 2, 2005

Replies: 1

Graduate Griffiths E&M Questions: Simple Solutions to Complex Problems

quasar987
Apr 23, 2005 · Replies 26 · May 2, 2005

Replies: 26

Graduate Charge on Surface with Sharp Features

nishant
May 2, 2005 · Replies 4 · May 2, 2005

Replies: 4

Undergrad Does EM Wave Induce Current at a Distance?

sid_galt
May 2, 2005 · Replies 1 · May 2, 2005

Replies: 1

High School Negative Current in Circuit: Is It Possible?

infamous_Q
Apr 24, 2005 · Replies 14 · May 1, 2005

Replies: 14

Graduate Understanding Maxwell's Equations and the Role of Charge and Current Conditions

rho11yw00d
Apr 26, 2005 · Replies 5 · Apr 29, 2005

Replies: 5

Undergrad Having a little trouble understanding electromagnetic induction

Valce
Apr 27, 2005 · Replies 2 · Apr 28, 2005

Replies: 2

Graduate Question concerning the nature of charges

questionablePhysics
Apr 22, 2005 · Replies 6 · Apr 27, 2005

Replies: 6

Undergrad Measuring the net speed of an electron in a conductor

simon.m
Apr 25, 2005 · Replies 19 · Apr 26, 2005

Replies: 19

Undergrad Measuring square wave frequency and RLC resonance current with oscilloscope

azsktbrdr
Apr 25, 2005 · Replies 2 · Apr 26, 2005

Replies: 2

Undergrad Current in a Resistor-Capacitor Circuit with -5V EMF

swechan02
Apr 24, 2005 · Replies 1 · Apr 24, 2005

Replies: 1

Graduate Verifying Griffiths' Result on Coulomb Law

quasar987
Apr 22, 2005 · Replies 20 · Apr 24, 2005

Replies: 20

Undergrad What is the force of wind resistance on a sign attached to a vehicle?

Taiki_Kazuma
Apr 20, 2005 · Replies 2 · Apr 23, 2005

Replies: 2

Graduate What is an Electron? Radius, Substance, Quarks & More

Jonny_trigonometry
Apr 18, 2005 · Replies 25 · Apr 22, 2005

Replies: 25

Graduate Trouble/Question with/about Maxwell Equations

µ³
Apr 16, 2005 · Replies 33 · Apr 21, 2005

2

Replies: 33

Undergrad Can Electric Shock Cause Quicksilver Reactions in Mercury?

LocktnLoaded
Apr 20, 2005 · Replies 4 · Apr 21, 2005

Replies: 4

High School How can I speed up the electrolytic rust removal process?

the mitch
Apr 19, 2005 · Replies 6 · Apr 20, 2005

Replies: 6

Graduate Electric energies between 2 pt charges

kimchi
Apr 17, 2005 · Replies 4 · Apr 20, 2005

Replies: 4

Graduate Charge Radiation: Acceleration & Constant Charges

Inquisiter
Apr 19, 2005 · Replies 3 · Apr 19, 2005

Replies: 3

Graduate Why \mu_0 is Used & Where it Comes From in Physics

Galileo
Apr 18, 2005 · Replies 10 · Apr 19, 2005

Replies: 10

Graduate Radiation from orbiting and spinning classical charges

Inquisiter
Apr 19, 2005 · Replies 4 · Apr 19, 2005

Replies: 4

Undergrad Harmonics are integer multiples of a fundamental frequency

KingNothing
Apr 14, 2005 · Replies 12 · Apr 18, 2005

Replies: 12

Undergrad Internal Resistance: Causes in Cells & Solar Cells

Cheman
Apr 17, 2005 · Replies 1 · Apr 18, 2005

Replies: 1

High School Effects of Cell Arrangement on EMF in Series and Parallel Circuits

Cheman
Apr 13, 2005 · Replies 3 · Apr 18, 2005

Replies: 3

Undergrad Electostatic(Guass' Law)

kimchi
Apr 16, 2005 · Replies 12 · Apr 17, 2005

Replies: 12

High School Why is power rated in watts if not watts per hour?

Pengwuino
Apr 13, 2005 · Replies 8 · Apr 13, 2005

Replies: 8

Undergrad One Day to Prepare for E&M Midterm: What to Focus On?

Gale
Apr 12, 2005 · Replies 1 · Apr 13, 2005

Replies: 1

Undergrad Why neutral objects attract charged ones and other electrostatics puzzles

Justin5342002
Apr 11, 2005 · Replies 5 · Apr 11, 2005

Replies: 5

High School Vs/Vp = Ns/Np This apply in transformer.

7bear
Apr 6, 2005 · Replies 3 · Apr 9, 2005

Replies: 3

Undergrad Electro magnetic wave and light

Mjdgard
Apr 8, 2005 · Replies 4 · Apr 8, 2005

Replies: 4

Graduate How Is Magnetic Force Calculated on a Cylinder in a Gradient Field?

ramez
Mar 30, 2005 · Replies 1 · Apr 8, 2005

Replies: 1

Undergrad Is Charge Density Only Defined for Stationary Charges?

CrusaderSean
Apr 7, 2005 · Replies 10 · Apr 8, 2005

Replies: 10

Undergrad Designing a Maglev Train: Feasibility and Stability

fomenkoa
Apr 7, 2005 · Replies 1 · Apr 7, 2005

Replies: 1

High School Formula for resistance in parallel circuit

DB
Apr 7, 2005 · Replies 2 · Apr 7, 2005

Replies: 2

Graduate What does frequency mean for a single photon?

locke
Apr 2, 2005 · Replies 16 · Apr 6, 2005

Replies: 16

High School Electricity: What Is the Plus Charge?

heaven eye
Apr 5, 2005 · Replies 6 · Apr 5, 2005

Replies: 6

High School Why aren't atoms magnets? dont their electrons generate magnetic fields?

lagmonster
Apr 3, 2005 · Replies 7 · Apr 4, 2005

Replies: 7

Undergrad Calculating Electron Motion in a Uniform Electric Field

aek
Apr 2, 2005 · Replies 7 · Apr 3, 2005

Replies: 7

Undergrad Dimensions of K (the constant in Coulomb's Law)

Chen
Apr 1, 2005 · Replies 10 · Apr 3, 2005

Replies: 10

High School Find the sensitivity and accuracy of electronic weighing scales?

g33n13
Apr 3, 2005 · Replies 2 · Apr 3, 2005

Replies: 2

Undergrad Lack of air resistance VS lack of gravity

hexhunter
Apr 2, 2005 · Replies 13 · Apr 3, 2005

Replies: 13

Graduate What is causing the arcing in our hydraulic flowmeter?

tomc5
Apr 1, 2005 · Replies 5 · Apr 2, 2005

Replies: 5

Graduate Working from electromagnetism to circuit theory

vr
Apr 1, 2005 · Replies 4 · Apr 1, 2005

Replies: 4

High School Can you use a dc circuit in a transformer?

T@P
Mar 26, 2005 · Replies 19 · Apr 1, 2005

Replies: 19

Undergrad Total Electric Charge: Is Our Universe's Zero?

Fe-56
Mar 31, 2005 · Replies 5 · Apr 1, 2005

Replies: 5

Undergrad Gravity - Electric Force questions

StirlingA
Mar 28, 2005 · Replies 17 · Mar 30, 2005

Replies: 17

Undergrad How Magnets Interact & What Happens to Magnetization

da_willem
Mar 24, 2005 · Replies 13 · Mar 30, 2005

Replies: 13

Undergrad Frequency Stability: What Does 2 Parts in 10E10 Mean?

Stu165
Mar 23, 2005 · Replies 3 · Mar 28, 2005

Replies: 3

Undergrad Why the frequency in both shallower and deeper part is the same?

ppt
Mar 28, 2005 · Replies 1 · Mar 28, 2005

Replies: 1

Undergrad Way to concentrate the magnetic field of magnets

sid_galt
Mar 19, 2005 · Replies 2 · Mar 24, 2005

Replies: 2

Undergrad What happens when you combine these wavelengths

Dropout
Mar 24, 2005 · Replies 1 · Mar 24, 2005

Replies: 1

High School Why are magnetic feilds formed from an electric current?

Jamez
Mar 23, 2005 · Replies 7 · Mar 24, 2005

Replies: 7

Undergrad What Happens to an Inductor When the Circuit Is Broken?

goc9000
Mar 23, 2005 · Replies 1 · Mar 24, 2005

Replies: 1

High School Electric Field Lines and points

dspp
Mar 23, 2005 · Replies 9 · Mar 23, 2005

Replies: 9

High School Why does my touch-activated lamp turn on by itself?

T@P
Mar 23, 2005 · Replies 4 · Mar 23, 2005

Replies: 4

Undergrad Resonant Frequency of a wine glass

Camulodian
Mar 21, 2005 · Replies 4 · Mar 23, 2005

Replies: 4

High School How does grinding and sharpening induce magnetism in steel?

F Gump
Mar 20, 2005 · Replies 5 · Mar 22, 2005

Replies: 5

Graduate Atomic Electron Orbital Changes in High Voltage Capacitor Experiment

sid_galt
Mar 19, 2005 · Replies 3 · Mar 20, 2005

Replies: 3

High School Not sure what a capacitator is

Gale
Mar 19, 2005 · Replies 2 · Mar 19, 2005

Replies: 2

Graduate Does a Changing Magnetic Field Induce Current in Wire Circles and Affect Light Intensity from Stars to Earth?

sid_galt
Mar 19, 2005 · Replies 2 · Mar 19, 2005

Replies: 2

Undergrad Hard Mag. Field question need assistance

Elbhi
Mar 9, 2005 · Replies 3 · Mar 18, 2005

Replies: 3

Graduate Can E and B be perpendicular in different reference frames?

touqra
Mar 14, 2005 · Replies 20 · Mar 17, 2005

Replies: 20

Graduate How Is Faraday's Law Applied in Time-Varying Loops?

Eye_in_the_Sky
Mar 14, 2005 · Replies 4 · Mar 17, 2005

Replies: 4

High School Why do batteries in series add voltage if charge redistributes equally?

madbear
Mar 7, 2005 · Replies 6 · Mar 17, 2005

Replies: 6

High School What happens when a magnetized strip is moved past a coil of wire?

Lizzardbreath
Mar 16, 2005 · Replies 3 · Mar 17, 2005

Replies: 3

Undergrad Magnetism (Iron filling question)

DB
Mar 15, 2005 · Replies 2 · Mar 16, 2005

Replies: 2

Undergrad Endothermic reactions converted heat energy as electricity?

Daggath
Mar 12, 2005 · Replies 1 · Mar 16, 2005

Replies: 1

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