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Graduate Moving electrical charges and Maxwell's equations

Mar 25, 2010 · Replies 95 · Apr 12, 2010

4

Replies: 95

Views: 15K

Graduate Interpreting Maxwell's Classical Theory of Electromagnetism

Apr 6, 2010 · Replies 26 · Apr 12, 2010

Replies: 26

Views: 9K

Graduate Absolute Maxwellian acceleration?

Apr 8, 2010 · Replies 5 · Apr 12, 2010

Replies: 5

Views: 2K

Graduate Maxwell's equations: E, B and distance

Apr 1, 2010 · Replies 6 · Apr 11, 2010

Replies: 6

Views: 2K

Graduate Electric field inside dielectric cylinder

Apr 11, 2010 · Replies 1 · Apr 11, 2010

Replies: 1

Views: 10K

High School Vectors and Interpretation in Physics Calculations

Apr 11, 2010 · Replies 11 · Apr 11, 2010

Replies: 11

Views: 3K

Undergrad Why is electricty conducted through salt water?

Apr 10, 2010 · Replies 4 · Apr 11, 2010

Replies: 4

Views: 3K

Undergrad How Does Electromagnetic Induction Affect the Magnetic Field in a Square Loop?

Apr 8, 2010 · Replies 7 · Apr 11, 2010

Replies: 7

Views: 3K

Undergrad Induction Experiment - Magnetic Field through a Toroid

Apr 8, 2010 · Replies 3 · Apr 10, 2010

Replies: 3

Views: 4K

Graduate Complex amplitude of E-field and phase changes

Apr 10, 2010 · Replies 1 · Apr 10, 2010

Replies: 1

Views: 3K

Graduate What could be causing unexpected results in my magnetic circuit?

Apr 9, 2010 · Replies 1 · Apr 9, 2010

Replies: 1

Views: 2K

Graduate Quench spreading on multiple coils superconducting magnet

Apr 6, 2010 · Replies 3 · Apr 9, 2010

Replies: 3

Views: 4K

Undergrad Effect on angular frequency in a sping mass system

Apr 9, 2010 · Replies 4 · Apr 9, 2010

Replies: 4

Views: 10K

Undergrad Elementary confusion about the magnetic dipole moment and field lines

Apr 8, 2010 · Replies 3 · Apr 9, 2010

Replies: 3

Views: 4K

Can a tiny magnet push away a larger one?

Apr 8, 2010 · Replies 4 · Apr 9, 2010

Replies: 4

Views: 2K

Undergrad Acoustic test for the sloshing noise in a tank

Apr 8, 2010 · Replies 2 · Apr 8, 2010

Replies: 2

Views: 2K

Undergrad Why there is no electric field inside a conductor in electrostatics?

Jul 26, 2006 · Replies 11 · Apr 8, 2010

Replies: 11

Views: 28K

High School Electromagnetic Induction Help

Apr 8, 2010 · Replies 1 · Apr 8, 2010

Replies: 1

Views: 2K

Undergrad Confused about transformers formula derivation

Apr 7, 2010 · Replies 4 · Apr 8, 2010

Replies: 4

Views: 13K

High School Materials and Eletromagnetic Waves

Apr 4, 2010 · Replies 3 · Apr 8, 2010

Replies: 3

Views: 2K

Undergrad What Do Sound/EM Waves Look Like.

Apr 4, 2010 · Replies 4 · Apr 8, 2010

Replies: 4

Views: 7K

Undergrad Why Does 4C Equate to 400 Amps in This Context?

Apr 7, 2010 · Replies 3 · Apr 8, 2010

Replies: 3

Views: 2K

Undergrad Electromagnet to repel neodymium magnet?

Apr 7, 2010 · Replies 7 · Apr 7, 2010

Replies: 7

Views: 18K

Graduate What is the nature of radiation from an oscillating electric monopole?

Apr 5, 2010 · Replies 7 · Apr 7, 2010

Replies: 7

Views: 6K

Graduate Reverse Piezoelectric Effect - how much?

Apr 2, 2010 · Replies 2 · Apr 7, 2010

Replies: 2

Views: 7K

Undergrad Effects of Positive Electric Field on Motion of Electrons

Apr 7, 2010 · Replies 1 · Apr 7, 2010

Replies: 1

Views: 2K

Undergrad Electric Generators: Iron Core for Larger Current?

Apr 1, 2010 · Replies 2 · Apr 6, 2010

Replies: 2

Views: 3K

Undergrad Question about magentic induction

Apr 5, 2010 · Replies 8 · Apr 6, 2010

Replies: 8

Views: 2K

High School Charing a capacitor hard time visualizing what's happening.

Apr 5, 2010 · Replies 12 · Apr 6, 2010

Replies: 12

Views: 3K

High School Do Electromagnets work Underwater?

Apr 6, 2010 · Replies 2 · Apr 6, 2010

Replies: 2

Views: 12K

Graduate How does the compression of a magnetic field affect its strength?

Apr 5, 2010 · Replies 1 · Apr 6, 2010

Replies: 1

Views: 3K

Undergrad Understanding Faraday's Law: Implications for Motional EMF Explained

Apr 5, 2010 · Replies 1 · Apr 6, 2010

Replies: 1

Views: 6K

Graduate Is There a Frequency Faster Than Gamma Rays?

Apr 1, 2010 · Replies 10 · Apr 5, 2010

Replies: 10

Views: 11K

Undergrad How do batteries give the electrons their energy?

Apr 4, 2010 · Replies 5 · Apr 5, 2010

Replies: 5

Views: 5K

Undergrad Does the third law of motion fail in magnetism?

Apr 4, 2010 · Replies 13 · Apr 5, 2010

Replies: 13

Views: 5K

Undergrad Electric Field Induced by Varying Magnetic Field

Mar 17, 2010 · Replies 42 · Apr 5, 2010

2

Replies: 42

Views: 11K

Undergrad Analyzing the danger of electromagnetic radiation

Apr 3, 2010 · Replies 9 · Apr 4, 2010

Replies: 9

Views: 3K

High School A body's speed limit due to air resistance?

Apr 1, 2010 · Replies 15 · Apr 4, 2010

Replies: 15

Views: 7K

Graduate Power (Watt) of Magnetron and Klystron

Apr 4, 2010 · Replies 1 · Apr 4, 2010

Replies: 1

Views: 4K

Undergrad How much energy is needed for electrolysis to produce 2.5l of hydrogen?

Mar 29, 2010 · Replies 9 · Apr 4, 2010

Replies: 9

Views: 3K

Graduate Does the Sign of the wt Term in EM Wave Propagation Matter?

Apr 4, 2010 · Replies 2 · Apr 4, 2010

Replies: 2

Views: 11K

Undergrad What are the different right hand rules for E&M and when should each be used?

Apr 1, 2010 · Replies 6 · Apr 3, 2010

Replies: 6

Views: 2K

Graduate Paralle plate capacitor, LIH dielectric, fringing field

Apr 3, 2010 · Replies 3 · Apr 3, 2010

Replies: 3

Views: 5K

Undergrad What's the relative speed of electricity?

Apr 3, 2010 · Replies 2 · Apr 3, 2010

Replies: 2

Views: 3K

Graduate Why is the electric energy density in classical electromagnetism underspecified?

Apr 2, 2010 · Replies 6 · Apr 3, 2010

Replies: 6

Views: 4K

Undergrad Electromagnetic Waves: Energy & Amplitude Connection

Mar 27, 2010 · Replies 7 · Apr 3, 2010

Replies: 7

Views: 3K

Undergrad Wind resistance on an airsoft BB

Feb 24, 2010 · Replies 2 · Apr 2, 2010

Replies: 2

Views: 7K

Graduate To calculate the amount/quantity of waves emitted by a magnetron

Apr 2, 2010 · Replies 3 · Apr 2, 2010

Replies: 3

Views: 4K

Undergrad Estimating discharge at the outflow structure of a lake

Apr 1, 2010 · Replies 1 · Apr 2, 2010

Replies: 1

Views: 2K

Graduate How to define the b.c.s for the EM field of a perfectly contucting surface?

Apr 2, 2010 · Replies 1 · Apr 2, 2010

Replies: 1

Views: 2K

Undergrad What is the direction of the magnetic force on a wire between two magnets?

Apr 1, 2010 · Replies 1 · Apr 2, 2010

Replies: 1

Views: 17K

Undergrad What is the Right Hand Rule for Electrons?

Apr 1, 2010 · Replies 2 · Apr 2, 2010

Replies: 2

Views: 18K

Undergrad Magnetic Field Influence: Does Size Matter?

Apr 2, 2010 · Replies 4 · Apr 2, 2010

Replies: 4

Views: 2K

Undergrad What is the role of epsilon in the equation k=1/4pi-epsilon?

Jul 13, 2007 · Replies 3 · Apr 1, 2010

Replies: 3

Views: 131K

Undergrad Why does flux flow through ferromagnetic materials?

Mar 31, 2010 · Replies 1 · Apr 1, 2010

Replies: 1

Views: 3K

Undergrad Magnetic flux through a solenoid

Mar 30, 2010 · Replies 4 · Mar 31, 2010

Replies: 4

Views: 6K

Graduate Magnetic Monopole: Properties & Detection

Mar 28, 2010 · Replies 21 · Mar 31, 2010

Replies: 21

Views: 7K

Graduate Physics Paradoxes: Electromagnetism Questions

Mar 30, 2010 · Replies 2 · Mar 30, 2010

Replies: 2

Views: 2K

Undergrad Why is the Potential at the Right Higher in an Inductive Circuit?

Mar 29, 2010 · Replies 3 · Mar 30, 2010

Replies: 3

Views: 3K

Undergrad All Materials Exhibit Magnetism?

Mar 29, 2010 · Replies 4 · Mar 30, 2010

Replies: 4

Views: 2K

Graduate Magnetic field lines of a moving electron

Mar 28, 2010 · Replies 1 · Mar 29, 2010

Replies: 1

Views: 3K

High School Does Earth Have a Magnetic Field and How Does It Work?

Mar 3, 2010 · Replies 39 · Mar 29, 2010

2

Replies: 39

Views: 7K

Undergrad Finding Angular Frequency of Electromagnetic Wave

Mar 28, 2010 · Replies 1 · Mar 29, 2010

Replies: 1

Views: 2K

Graduate Why does the Poynting vector subtract stored electric and magnetic fields?

Mar 21, 2010 · Replies 8 · Mar 27, 2010

Replies: 8

Views: 3K

Undergrad Solving Steady State-Circuits: Step by Step Example

Mar 21, 2010 · Replies 8 · Mar 27, 2010

Replies: 8

Views: 4K

High School Why cant conductors be charged by friction?

Mar 27, 2010 · Replies 1 · Mar 27, 2010

Replies: 1

Views: 17K

Graduate Need help understanding off axis electromagnet field strength equation

Mar 27, 2010 · Replies 2 · Mar 27, 2010

Replies: 2

Views: 3K

Graduate RF MEMS for Silicon: Find Permittivity, Permeability & Conductivity

Jun 18, 2007 · Replies 7 · Mar 27, 2010

Replies: 7

Views: 5K

High School Confused about Voltage and Current

Mar 20, 2010 · Replies 10 · Mar 25, 2010

Replies: 10

Views: 3K

Graduate Does maxwell equation means waves travelling from future to the present?

Mar 23, 2010 · Replies 3 · Mar 25, 2010

Replies: 3

Views: 2K

Undergrad Cutting a Magnet: North & South Pole Effects

Mar 18, 2010 · Replies 13 · Mar 25, 2010

Replies: 13

Views: 9K

Undergrad Induced EMF in Rectangular Loop in B-Field

Mar 24, 2010 · Replies 7 · Mar 25, 2010

Replies: 7

Views: 4K

High School Electromagnetic waves are chargeless?

Jan 8, 2010 · Replies 4 · Mar 24, 2010

Replies: 4

Views: 3K

Graduate Lorentz Force in conductive beam

Mar 24, 2010 · Replies 2 · Mar 24, 2010

Replies: 2

Views: 2K

Undergrad How does series resonance create high voltages in Tesla coils?

Mar 9, 2010 · Replies 9 · Mar 24, 2010

Replies: 9

Views: 18K

Undergrad Why High frequancy cause high resistance

Jan 3, 2008 · Replies 3 · Mar 24, 2010

Replies: 3

Views: 4K

Undergrad Ionizing Air Guns: What Do They Use?

Mar 24, 2010 · Replies 1 · Mar 24, 2010

Replies: 1

Views: 3K

High School What Causes the Color of Electric Sparks?

Mar 22, 2010 · Replies 6 · Mar 24, 2010

Replies: 6

Views: 3K

High School Can Electric Fields Pass Through Both Conductors and Insulators?

Mar 22, 2010 · Replies 4 · Mar 24, 2010

Replies: 4

Views: 2K

Undergrad Trajectory of charged particle moving in a magnetic field

Mar 23, 2010 · Replies 4 · Mar 24, 2010

Replies: 4

Views: 12K

Graduate Maxwell's Eqns: EM Basis Functions Explored

Mar 22, 2010 · Replies 4 · Mar 23, 2010

Replies: 4

Views: 2K

Undergrad Measuring Electric Field Strength

Mar 22, 2010 · Replies 1 · Mar 23, 2010

Replies: 1

Views: 3K

High School How is energy stored in a capacitor and how is it discharged?

Mar 23, 2010 · Replies 5 · Mar 23, 2010

Replies: 5

Views: 6K

High School Is the coil in a car's ignition system functioning as a transformer?

Mar 22, 2010 · Replies 3 · Mar 23, 2010

Replies: 3

Views: 2K

High School Will current flow in a circuit with two opposing diodes and a DC source?

Mar 22, 2010 · Replies 2 · Mar 22, 2010

Replies: 2

Views: 3K

Undergrad Air Electric Breakdown: Understanding Voltage/Distance Limits

Mar 22, 2010 · Replies 2 · Mar 22, 2010

Replies: 2

Views: 3K

Undergrad How Does Resonance Affect Current and Impedance in a Parallel Circuit?

Mar 10, 2010 · Replies 21 · Mar 22, 2010

Replies: 21

Views: 13K

High School Creating static charge with a voltage source

Mar 20, 2010 · Replies 3 · Mar 22, 2010

Replies: 3

Views: 3K

Graduate Energy deposited by high energy electrons in matter

Mar 16, 2010 · Replies 2 · Mar 21, 2010

Replies: 2

Views: 5K

Undergrad Q about shapes of magnetic fields

Mar 20, 2010 · Replies 11 · Mar 21, 2010

Replies: 11

Views: 2K

Graduate Energy of a magnetic dipole in an external B field

Mar 17, 2010 · Replies 2 · Mar 21, 2010

Replies: 2

Views: 3K

Graduate E field between 2 parrallel conductors

Mar 18, 2010 · Replies 9 · Mar 21, 2010

Replies: 9

Views: 4K

Graduate Question about the solution to Maxwell's equations in vacuum

Mar 19, 2010 · Replies 7 · Mar 20, 2010

Replies: 7

Views: 5K

Graduate Rate of decreasing static field - is it measurable?

Mar 18, 2010 · Replies 3 · Mar 20, 2010

Replies: 3

Views: 2K

Undergrad Building Gauss Meter with Hall Effect or Mosfets - CoolMagnetMan

Mar 19, 2010 · Replies 1 · Mar 20, 2010

Replies: 1

Views: 2K

Graduate Permittivity and Permeability of Free Space

May 27, 2006 · Replies 9 · Mar 20, 2010

Replies: 9

Views: 40K

Graduate Understanding the Impact of Dielectric Insertion on Capacitance

Mar 14, 2010 · Replies 2 · Mar 20, 2010

Replies: 2

Views: 7K

Graduate Range of validity of Maxwell's equations with charges

Mar 19, 2010 · Replies 3 · Mar 19, 2010

Replies: 3

Views: 4K

Undergrad Static Electric Fields: Interactions Explored

Mar 18, 2010 · Replies 3 · Mar 19, 2010

Replies: 3

Views: 2K

Undergrad How Do You Calculate the Force Between Two Magnets?

Mar 19, 2010 · Replies 1 · Mar 19, 2010

Replies: 1

Views: 2K

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