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

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

Replies: 1

Views: 3K

Undergrad How Do Electromagnetic Waves Remain Distinct Amid Interference?

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

Replies: 4

Views: 3K

Graduate Effect of pressure on a magnetic field

Dec 9, 2004 · Replies 1 · Dec 9, 2004

Replies: 1

Views: 3K

Graduate How Does Gravity Influence Quantum Magnetism?

Dec 4, 2004 · Replies 9 · Dec 9, 2004

Replies: 9

Views: 3K

Undergrad Electricity & Resistance: The Physical Explanation

Nov 3, 2004 · Replies 3 · Dec 9, 2004

Replies: 3

Views: 13K

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

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

Replies: 12

Views: 2K

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

Dec 6, 2004 · Replies 1 · Dec 7, 2004

Replies: 1

Views: 6K

High School Parallel Plates Velocity of Electron

Dec 6, 2004 · Replies 2 · Dec 6, 2004

Replies: 2

Views: 7K

High School Curious question about Magnets

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

Replies: 14

Views: 3K

Graduate CRT Electron Beam Focusing: Math Treatment & Details

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

Replies: 12

Views: 4K

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

Dec 5, 2004 · Replies 1 · Dec 5, 2004

Replies: 1

Views: 3K

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

Dec 1, 2004 · Replies 8 · Dec 4, 2004

Replies: 8

Views: 3K

Graduate Can anyone help me with Electron Probability Density?

Dec 3, 2004 · Replies 2 · Dec 3, 2004

Replies: 2

Views: 8K

Undergrad New ways to generate electricity ?

Dec 2, 2004 · Replies 4 · Dec 3, 2004

Replies: 4

Views: 19K

Undergrad Efficency of electrical heat and light

Dec 1, 2004 · Replies 1 · Dec 1, 2004

Replies: 1

Views: 2K

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

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

Replies: 4

Views: 3K

Graduate Resistance of a sphere of resistivity rho and radius S

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

Replies: 1

Views: 5K

Undergrad Question regarding units of some magnetic quantities

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

Replies: 8

Views: 5K

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

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

Replies: 3

Views: 4K

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

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

Replies: 2

Views: 5K

Undergrad Solenoid Problem: B Field Constant on Plane of Loop

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

Replies: 29

Views: 6K

Undergrad Maximum pull a of normal magnet

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

Replies: 8

Views: 4K

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

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

Replies: 7

Views: 2K

Graduate Important Charged Particle Collisions

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

Replies: 3

Views: 2K

High School What Causes Iron to Exhibit Magnetic Behavior?

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

Replies: 3

Views: 2K

Undergrad Impedance/AC Circuits: Computing RMS Current

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

Replies: 1

Views: 2K

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

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

Replies: 1

Views: 2K

Graduate Radiation by accelerating charges

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

Replies: 1

Views: 4K

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

Nov 20, 2004 · Replies 5 · Nov 21, 2004

Replies: 5

Views: 14K

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

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

Replies: 2

Views: 2K

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

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

Replies: 5

Views: 3K

Graduate Solving why sun/earth magnetic flips occur

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

Replies: 7

Views: 2K

Graduate Is Ether Essential for Electromagnetic Wave Propagation?

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

Replies: 1

Views: 4K

High School Conventional Current: Tom's Questions Answered

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

Replies: 2

Views: 6K

Undergrad Magnetic Fields: Deciphering True/False Questions

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

Replies: 1

Views: 2K

Undergrad How is electrical potential transmitted through an electric circuit

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

Replies: 7

Views: 3K

Graduate The Lorentz force in the MKS and CGS measurement systems

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

Replies: 11

Views: 10K

High School Question about Electricity and Water

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

Replies: 4

Views: 8K

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

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

Replies: 2

Views: 35K

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

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

Replies: 3

Views: 4K

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

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

Replies: 1

Views: 2K

High School What Causes Electric Shocks in Our Bodies?

Nov 7, 2004 · Replies 4 · Nov 8, 2004

Replies: 4

Views: 3K

Graduate Black Hole Charge and Quantum Field Theory Interactions

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

Replies: 13

Views: 6K

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

Nov 6, 2004 · Replies 2 · Nov 6, 2004

Replies: 2

Views: 2K

Graduate What is the Magnetic Field Between Parallel Plate Electrodes?

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

Replies: 2

Views: 3K

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

Nov 1, 2004 · Replies 6 · Nov 3, 2004

Replies: 6

Views: 2K

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

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

Replies: 10

Views: 3K

Graduate Gravitomagnetic Force: Uncovering the Mystery

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

Replies: 9

Views: 3K

Undergrad Why Do Metallic Cylinders Rotate in a Magnetic Field?

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

Replies: 1

Views: 6K

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

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

Replies: 1

Views: 3K

Undergrad ECG Doppler Use: What You Need to Know

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

Replies: 5

Views: 5K

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

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

Replies: 1

Views: 6K

Undergrad Light & Electromagnetic fields

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

Replies: 5

Views: 3K

Undergrad Understanding Voltage: Explaining Potential & Potential Energy in Circuits

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

Replies: 13

Views: 3K

Undergrad Electromagnetic wave; the classical model

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

Replies: 5

Views: 3K

High School Making Electric Coils & Schumann Resonance

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

Replies: 4

Views: 4K

High School Questions concering magnets and electromagnetism

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

Replies: 1

Views: 3K

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

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

Replies: 2

Views: 8K

High School Parallel Plate Capacitor and Dielectrics

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

Replies: 2

Views: 4K

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

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

Replies: 4

Views: 2K

Graduate A little critique on magnetic lines of force.

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

Replies: 1

Views: 6K

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

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

Replies: 3

Views: 3K

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

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

Replies: 4

Views: 13K

Undergrad Electric Field Lines and right angles

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

Replies: 2

Views: 11K

Undergrad Motion in Magnetic Field : Co-Ordinates

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

Replies: 7

Views: 2K

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

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

Replies: 1

Views: 2K

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

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

Replies: 1

Views: 7K

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

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

Replies: 3

Views: 4K

Undergrad What is the point in using a dielectric

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

Replies: 6

Views: 3K

Graduate Electric Field Above a Charged Circular Disk

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

Replies: 2

Views: 2K

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

Oct 21, 2004 · Replies 2 · Oct 22, 2004

Replies: 2

Views: 6K

Undergrad Smoothing a rectified a.c current

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

Replies: 3

Views: 14K

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

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

Replies: 4

Views: 2K

Undergrad Angular Frequency, Time, and Angle

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

Replies: 7

Views: 25K

Graduate Verifying Potential Equality on Charged Objects

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

Replies: 26

Views: 4K

High School Electrostatic force, Newtons and Distance

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

Replies: 1

Views: 2K

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

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

Replies: 2

Views: 2K

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

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

Replies: 5

Views: 6K

High School A2 experiment and I'm totally confused

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

Replies: 5

Views: 3K

Undergrad Electric Field perpendicular to surface

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

Replies: 2

Views: 10K

Undergrad Coulombs vs Amps: Understanding the Discrepancy in Charge Measurement

Oct 15, 2004 · Replies 8 · Oct 16, 2004

Replies: 8

Views: 3K

Undergrad Conductor Charge/Electric Fields

Oct 14, 2004 · Replies 4 · Oct 15, 2004

Replies: 4

Views: 4K

Undergrad Need help for a prove about magnetic field and magnetic force

Oct 13, 2004 · Replies 3 · Oct 13, 2004

Replies: 3

Views: 4K

Undergrad Voltage: What You Need to Know

Oct 9, 2004 · Replies 15 · Oct 13, 2004

Replies: 15

Views: 4K

High School Why does the potenial decrease in case of a capacitor

Oct 8, 2004 · Replies 4 · Oct 10, 2004

Replies: 4

Views: 2K

Undergrad Can the electric field at the surface of a conductor be determined exactly?

Oct 10, 2004 · Replies 4 · Oct 10, 2004

Replies: 4

Views: 6K

Graduate How Does a Conducting Loop's Size Affect EMF and Motion on an Inclined Plane?

Oct 8, 2004 · Replies 3 · Oct 8, 2004

Replies: 3

Views: 3K

Graduate Capacitor and energy conservation

Oct 6, 2004 · Replies 2 · Oct 7, 2004

Replies: 2

Views: 4K

Undergrad Why does x1i =r1 -y1j in Lorentz electromagnetic force?

Oct 3, 2004 · Replies 3 · Oct 6, 2004

Replies: 3

Views: 2K

Graduate Experimental Determination of Fundamental EM Constants

Oct 4, 2004 · Replies 7 · Oct 5, 2004

Replies: 7

Views: 5K

Undergrad What Are the Best Advanced E&M Textbooks for a Rigorous First Semester?

Oct 4, 2004 · Replies 1 · Oct 5, 2004

Replies: 1

Views: 2K

Graduate What is the electric displacement field for one electron?

Oct 3, 2004 · Replies 1 · Oct 4, 2004

Replies: 1

Views: 3K

Graduate Potential energy of a charge system

Oct 2, 2004 · Replies 4 · Oct 4, 2004

Replies: 4

Views: 3K

Graduate Does the location of an electron in a hydrogen atom depend on temperature?

Oct 2, 2004 · Replies 12 · Oct 4, 2004

Replies: 12

Views: 3K

Undergrad Gauss's Law and an irregular shape

Sep 26, 2004 · Replies 21 · Oct 3, 2004

Replies: 21

Views: 9K

Undergrad Question about Electric Potential

Oct 3, 2004 · Replies 2 · Oct 3, 2004

Replies: 2

Views: 2K

Graduate Physical interpretation of Reluctance

Oct 3, 2004 · Replies 1 · Oct 3, 2004

Replies: 1

Views: 3K

Graduate Field momentum inside a parallel plate capacitor

Oct 3, 2004 · Replies 4 · Oct 3, 2004

Replies: 4

Views: 5K

Graduate Does the pilot's claim credible?

Sep 29, 2004 · Replies 4 · Oct 2, 2004

Replies: 4

Views: 2K

Undergrad Solving Plate Capacitor Problem with Voltage U

Sep 30, 2004 · Replies 1 · Oct 1, 2004

Replies: 1

Views: 2K

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