Menu

Navigation

More options

Style variation

Contact us

Electromagnetism Forum

Filters

Undergrad How Is Maximum Voltage Across a Capacitor Calculated in an LRC Circuit?

Feb 2, 2004 · Replies 1 · Feb 3, 2004

Replies: 1

Views: 32K

Are the stratospheare winds caused by magnetism?

Feb 1, 2004 · Replies 1 · Feb 2, 2004

Replies: 1

Views: 2K

Undergrad An EM waves basic diffraction question

Jan 27, 2004 · Replies 13 · Feb 2, 2004

Replies: 13

Views: 3K

Undergrad What Happens to Iron Filings at Absolute Zero When Exposed to a Magnet?

Jan 30, 2004 · Replies 14 · Feb 2, 2004

Replies: 14

Views: 3K

High School The Physics of a Computer Processor

Feb 1, 2004 · Replies 2 · Feb 1, 2004

Replies: 2

Views: 2K

Graduate What is the current status on super strings?

Jan 31, 2004 · Replies 3 · Feb 1, 2004

Replies: 3

Views: 3K

High School Understanding the Need for a Complete Circuit

Jan 30, 2004 · Replies 4 · Jan 31, 2004

Replies: 4

Views: 2K

Undergrad Tornados & Magnetism: Effects on Magnetic Properties

Jan 30, 2004 · Replies 3 · Jan 31, 2004

Replies: 3

Views: 5K

High School Need Help: Understanding Conventional Current, Electron Flow & AC vs DC

Jan 28, 2004 · Replies 9 · Jan 29, 2004

Replies: 9

Views: 3K

High School What is the principle behind my homemade railgun?

Jan 29, 2004 · Replies 2 · Jan 29, 2004

Replies: 2

Views: 4K

Undergrad Terminal Voltage in Series Circuits: Understanding Ohm's Law

Jan 28, 2004 · Replies 2 · Jan 29, 2004

Replies: 2

Views: 9K

Graduate Understanding the Science Behind Farad and Its Applications

Jan 23, 2004 · Replies 10 · Jan 26, 2004

Replies: 10

Views: 7K

Undergrad One final electric field problem

Jan 24, 2004 · Replies 1 · Jan 25, 2004

Replies: 1

Views: 2K

Undergrad How to Calculate the Electric Field at the Center of Curvature?

Jan 24, 2004 · Replies 7 · Jan 25, 2004

Replies: 7

Views: 21K

Graduate Mutual resistance between two wires

Jan 22, 2004 · Replies 2 · Jan 23, 2004

Replies: 2

Views: 10K

Undergrad Net charge VS dipole moment in E field by infinite line charge

Jan 20, 2004 · Replies 5 · Jan 22, 2004

Replies: 5

Views: 9K

Undergrad Equipotential Lines: Questions & Answers

Jan 10, 2004 · Replies 5 · Jan 19, 2004

Replies: 5

Views: 5K

Graduate Newton's gravity and Coulomb's law are not quite accurate->

Jan 17, 2004 · Replies 16 · Jan 19, 2004

Replies: 16

Views: 6K

Undergrad Why is use of the earth's magnetic field not a feasible means of flight?

Jan 18, 2004 · Replies 1 · Jan 18, 2004

Replies: 1

Views: 8K

Undergrad Can magnetic field be rotated on polar axis

Jan 12, 2004 · Replies 2 · Jan 12, 2004

Replies: 2

Views: 3K

High School Why electric charge is attracted to the earth (ground) ?

Jan 6, 2004 · Replies 3 · Jan 12, 2004

Replies: 3

Views: 3K

High School Definition of Static electricity

Jan 8, 2004 · Replies 9 · Jan 11, 2004

Replies: 9

Views: 10K

Graduate Electromagnetism and the photon

Jan 10, 2004 · Replies 1 · Jan 10, 2004

Replies: 1

Views: 3K

High School Electric Toothbrushes: Charging Plastic Casings

Jan 6, 2004 · Replies 7 · Jan 9, 2004

Replies: 7

Views: 4K

Undergrad Magnetism, Orbits, Friction-Is there a relationship?

Jan 5, 2004 · Replies 16 · Jan 9, 2004

Replies: 16

Views: 5K

High School Does Earth Have a Magnetic Field and Why Is It Important?

Jan 7, 2004 · Replies 9 · Jan 9, 2004

Replies: 9

Views: 5K

Graduate Is the magnetic field change linear with the velocity change of a particle?

Jan 8, 2004 · Replies 1 · Jan 8, 2004

Replies: 1

Views: 5K

Graduate Is the electromagnetic field real ?

Jan 6, 2004 · Replies 14 · Jan 7, 2004

Replies: 14

Views: 7K

Graduate Frequency of small oscillations

Jan 5, 2004 · Replies 2 · Jan 7, 2004

Replies: 2

Views: 6K

Undergrad Electric Field demonstration

Dec 23, 2003 · Replies 5 · Jan 7, 2004

Replies: 5

Views: 3K

Graduate Static electricity and current electricity .

Jan 2, 2004 · Replies 4 · Jan 4, 2004

Replies: 4

Views: 14K

High School Experimenting with Magnets and Marbles: Relation to Gauss Rifle Guns

Jan 3, 2004 · Replies 4 · Jan 3, 2004

Replies: 4

Views: 6K

Graduate Is This Experiment Proof of Free Energy?

Jan 1, 2004 · Replies 10 · Jan 3, 2004

Replies: 10

Views: 8K

Undergrad Figuring Out Power Generated by Coil & Magnet | Any Thoughts Appreciated

Nov 22, 2003 · Replies 18 · Dec 29, 2003

Replies: 18

Views: 10K

Graduate How does the physics of electrostatic energy transfer work in the human body?

Nov 28, 2003 · Replies 10 · Dec 26, 2003

Replies: 10

Views: 4K

Graduate Is the Electromagnetic Field Around a Conductor Really Solenoidal?

Dec 5, 2003 · Replies 14 · Dec 24, 2003

Replies: 14

Views: 3K

Graduate Red Hot Magnetics Hypothetical Experiment

Dec 16, 2003 · Replies 4 · Dec 17, 2003

Replies: 4

Views: 3K

Undergrad Designing a Voltage Subtractor Circuit Without an Op-Amp

Aug 28, 2003 · Replies 11 · Dec 15, 2003

Replies: 11

Views: 19K

Graduate Maxwell's Demon Possibility?(Entropy)

Dec 13, 2003 · Replies 2 · Dec 15, 2003

Replies: 2

Views: 4K

Undergrad Low Pass Filter: Clues to Cutoff Frequency of 100kHz

Dec 13, 2003 · Replies 5 · Dec 13, 2003

Replies: 5

Views: 4K

High School Low Pass Filter Help: Values for Capacitor Confusion

Dec 13, 2003 · Replies 2 · Dec 13, 2003

Replies: 2

Views: 3K

Undergrad Magnetic Strength: Moving Cars & Potential Hazards

Dec 9, 2003 · Replies 3 · Dec 12, 2003

Replies: 3

Views: 3K

How many kilowatts does a light have?

Dec 12, 2003 · Replies 4 · Dec 12, 2003

Replies: 4

Views: 5K

Graduate Do Lorentz Forces Really Violate Newton's 3rd Law?

Dec 10, 2003 · Replies 2 · Dec 11, 2003

Replies: 2

Views: 7K

High School What is a Field? I Don't Understand

Dec 3, 2003 · Replies 13 · Dec 11, 2003

Replies: 13

Views: 3K

Graduate Bohm (faster than light reactivty?)

Dec 9, 2003 · Replies 1 · Dec 10, 2003

Replies: 1

Views: 2K

Undergrad Relating heat to fire to light to pressure to electricity

Dec 9, 2003 · Replies 1 · Dec 9, 2003

Replies: 1

Views: 4K

Undergrad How does water respond to repelling magnets and vice versa?

Dec 6, 2003 · Replies 9 · Dec 9, 2003

Replies: 9

Views: 9K

Graduate What is the initial kinetic energy of a point charge traveling at velocity v?

Dec 3, 2003 · Replies 2 · Dec 7, 2003

Replies: 2

Views: 6K

Graduate Can quaternions be used to simplify Maxwell's equations?

Dec 6, 2003 · Replies 3 · Dec 7, 2003

Replies: 3

Views: 3K

Undergrad How do things of opposite charge attract?

Dec 3, 2003 · Replies 6 · Dec 5, 2003

Replies: 6

Views: 7K

Undergrad Why is a superconductor a diamagnet?

Nov 20, 2003 · Replies 4 · Nov 30, 2003

Replies: 4

Views: 7K

Graduate What is the morpology of an electron?

Nov 24, 2003 · Replies 2 · Nov 25, 2003

Replies: 2

Views: 3K

Undergrad How Do Magnetic Fields Influence Diamagnetic and Paramagnetic Materials?

Nov 25, 2003 · Replies 1 · Nov 25, 2003

Replies: 1

Views: 4K

High School Proton or Electron: Who's Faster?

Nov 23, 2003 · Replies 5 · Nov 25, 2003

Replies: 5

Views: 14K

Undergrad Discovering the Material with the Highest Dielectric Constant

Sep 6, 2003 · Replies 5 · Nov 23, 2003

Replies: 5

Views: 12K

Undergrad Why is the frequency cut-off 0.707 in filters

Nov 19, 2003 · Replies 2 · Nov 19, 2003

Replies: 2

Views: 16K

High School Is the earth's magnetism decreasing?

Nov 19, 2003 · Replies 3 · Nov 19, 2003

Replies: 3

Views: 3K

Graduate Can Moving Charges Create a Magnetic Field? A Discussion on Electromagnetism

Oct 31, 2003 · Replies 33 · Nov 19, 2003

2

Replies: 33

Views: 10K

Undergrad Comparing Gravity and Electromagnetism

Nov 15, 2003 · Replies 2 · Nov 16, 2003

Replies: 2

Views: 15K

Graduate How Accurate Are Theories on Magnetic Lines of Force?

Nov 15, 2003 · Replies 2 · Nov 16, 2003

Replies: 2

Views: 3K

Undergrad Thermal resistance, can i do this?

Nov 14, 2003 · Replies 1 · Nov 14, 2003

Replies: 1

Views: 3K

Graduate Does Math Strengthen the Nature of Light Theory?

Nov 7, 2003 · Replies 1 · Nov 12, 2003

Replies: 1

Views: 3K

Undergrad Do Magnetic Fields Vary in Frequency Like Light?

Nov 10, 2003 · Replies 9 · Nov 12, 2003

Replies: 9

Views: 26K

Undergrad How Long Can Radio Signals Retain Information Across Vast Distances?

Nov 10, 2003 · Replies 2 · Nov 10, 2003

Replies: 2

Views: 3K

Undergrad Unnecessary magnetic poles ?

Oct 19, 2003 · Replies 31 · Nov 10, 2003

2

Replies: 31

Views: 7K

Graduate Maximizing Air Ionization with Corona Discharge Emitters

Nov 3, 2003 · Replies 2 · Nov 9, 2003

Replies: 2

Views: 4K

The magnetic-time relation experiment area

Oct 21, 2003 · Replies 1 · Nov 8, 2003

Replies: 1

Views: 3K

Graduate Lorentz Contraction: A Misunderstood Phenomenon with a New Derivation

Oct 12, 2003 · Replies 13 · Nov 7, 2003

Replies: 13

Views: 4K

Graduate Designing an Electron Source with a Needle Sprayer

Nov 7, 2003 · Replies 1 · Nov 7, 2003

Replies: 1

Views: 2K

Graduate Theory of conduction of electrical energy not a quantum theory.

Nov 1, 2003 · Replies 17 · Nov 6, 2003

Replies: 17

Views: 8K

Graduate Is the Case for Photons as Conductors of Electrical Energy Valid?

Oct 29, 2003 · Replies 2 · Nov 6, 2003

Replies: 2

Views: 3K

Graduate Electron ls Orbital Binding Energy Equation

Nov 1, 2003 · Replies 12 · Nov 4, 2003

Replies: 12

Views: 8K

High School What is Electromagnetic Induction and How Does It Work?

Oct 31, 2003 · Replies 4 · Nov 1, 2003

Replies: 4

Views: 2K

High School Is it Safe to Touch Wall Outlet Plus?

Oct 28, 2003 · Replies 4 · Oct 29, 2003

Replies: 4

Views: 2K

Graduate Are photons the true charge carriers of electrical energy?

Sep 19, 2003 · Replies 29 · Oct 28, 2003

Replies: 29

Views: 6K

High School Creating Magnetic Field Project: Measuring Intensity

Oct 24, 2003 · Replies 1 · Oct 24, 2003

Replies: 1

Views: 8K

Graduate Radiation produced by Electron Acceleration

Oct 23, 2003 · Replies 1 · Oct 23, 2003

Replies: 1

Views: 3K

Undergrad Do Magnetic Fields Travel From Source to Object?

Oct 22, 2003 · Replies 4 · Oct 23, 2003

Replies: 4

Views: 2K

Undergrad Understanding Potential Difference in Simple Circuits

Oct 23, 2003 · Replies 2 · Oct 23, 2003

Replies: 2

Views: 3K

Undergrad Integral in Physics: Electric Flux, Potential, Fields & Charges

Oct 21, 2003 · Replies 6 · Oct 23, 2003

Replies: 6

Views: 3K

Undergrad What's the Difference Between Potential Difference and EMF in a Solar Cell?

Oct 21, 2003 · Replies 2 · Oct 22, 2003

Replies: 2

Views: 4K

Undergrad What Causes the Weakening of Magnetic Strength When Two Magnets are Joined?

Oct 21, 2003 · Replies 6 · Oct 22, 2003

Replies: 6

Views: 5K

High School Common static vs common electricity?

Oct 17, 2003 · Replies 7 · Oct 18, 2003

Replies: 7

Views: 7K

High School What Are the Key Applications and Challenges of Terahertz Waves?

Oct 10, 2003 · Replies 10 · Oct 16, 2003

Replies: 10

Views: 5K

High School How do electromagnetic waves travel and interact with their surroundings?

Oct 15, 2003 · Replies 1 · Oct 15, 2003

Replies: 1

Views: 6K

High School Terahertz Waves: Learn More About EM Spectrum Position

Oct 14, 2003 · Replies 5 · Oct 15, 2003

Replies: 5

Views: 3K

Graduate Change and Resistance: The Driving Forces of the Universe

Oct 13, 2003 · Replies 3 · Oct 14, 2003

Replies: 3

Views: 3K

Graduate The nature of electric magnetic radiation,it's rest mass and potential to sl

Oct 12, 2003 · Replies 12 · Oct 14, 2003

Replies: 12

Views: 4K

Graduate Electrical potential and surface curvature

Oct 11, 2003 · Replies 12 · Oct 12, 2003

Replies: 12

Views: 8K

High School What does conventional current mean?

Oct 5, 2003 · Replies 11 · Oct 10, 2003

Replies: 11

Views: 5K

High School Teacher told me that electricity could be defined as a flow of electrons

Oct 5, 2003 · Replies 5 · Oct 10, 2003

Replies: 5

Views: 6K

Undergrad Understanding Zero and Nonzero Flux: A TA's Analogy

Oct 9, 2003 · Replies 3 · Oct 10, 2003

Replies: 3

Views: 5K

Undergrad Suppose you have a metallic sphere

Sep 6, 2003 · Replies 4 · Oct 10, 2003

Replies: 4

Views: 4K

High School Atoms and electrons when one object is rubbed on another

Oct 1, 2003 · Replies 9 · Oct 9, 2003

Replies: 9

Views: 3K

High School A rather basic question on electromagnetic fields

Oct 5, 2003 · Replies 9 · Oct 7, 2003

Replies: 9

Views: 4K

High School Explain me what is a electromagnetic wave?

Sep 23, 2003 · Replies 11 · Oct 6, 2003

Replies: 11

Views: 7K

Undergrad Electrical Field Inside a Charged Metallic Conductor

Sep 22, 2003 · Replies 14 · Oct 3, 2003

Replies: 14

Views: 10K

High School What is the nature of an electromagnetic wave?

Oct 1, 2003 · Replies 9 · Oct 2, 2003

Replies: 9

Views: 5K

High School A physics experiment with magnets and a vote pole

Apr 20, 2003 · Replies 15 · Oct 1, 2003

Replies: 15

Views: 7K

Top