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Undergrad Maximizing Power Delivery: Impedance Matching Proof

Sep 28, 2003 · Replies 1 · Sep 29, 2003

Replies: 1

Views: 3K

Graduate Acoustic Weapons - A Prospective Assessment

Sep 25, 2003 · Replies 3 · Sep 27, 2003

Replies: 3

Views: 4K

High School Why Capacitor Blocks DC & Inductor Blocks AC?

Sep 19, 2003 · Replies 5 · Sep 26, 2003

Replies: 5

Views: 17K

Undergrad Why superconductors repel magnets no matter what polarity

Sep 22, 2003 · Replies 5 · Sep 25, 2003

Replies: 5

Views: 5K

Uncovering the Power of Static Electricity: My Surprising TV Experiment

Aug 18, 2003 · Replies 14 · Sep 21, 2003

Replies: 14

Views: 3K

Graduate Hall resistance and fine structre constant

Sep 16, 2003 · Replies 8 · Sep 18, 2003

Replies: 8

Views: 4K

Undergrad If space is expanding how can the electrical properties stay constant?

Sep 14, 2003 · Replies 5 · Sep 16, 2003

Replies: 5

Views: 2K

High School How Do Electric Magnets Affect Welding Quality?

Sep 13, 2003 · Replies 2 · Sep 14, 2003

Replies: 2

Views: 3K

Undergrad Electromagnetism Question: Electrons in Motion and Magnetic Fields Explained

Sep 10, 2003 · Replies 8 · Sep 11, 2003

Replies: 8

Views: 3K

Graduate Can a Perpetual Motion Machine Ever Be Realized?

Sep 6, 2003 · Replies 6 · Sep 9, 2003

Replies: 6

Views: 6K

Undergrad Linear Permanent Magnet Generator

Sep 5, 2003 · Replies 5 · Sep 5, 2003

Replies: 5

Views: 20K

Undergrad Electricity doesn't move at the speed of light?

Sep 2, 2003 · Replies 44 · Sep 5, 2003

2

Replies: 44

Views: 87K

Undergrad Placement of Magnet in Simple Induction

Sep 5, 2003 · Replies 1 · Sep 5, 2003

Replies: 1

Views: 3K

High School What Causes Antennas to Radiate?

Sep 4, 2003 · Replies 8 · Sep 4, 2003

Replies: 8

Views: 4K

Graduate Shock waves in crystals and frequency changes

Sep 1, 2003 · Replies 1 · Sep 1, 2003

Replies: 1

Views: 3K

Undergrad EMP Danger: 1m Distance, Concrete Walls & Directional Effects

Aug 8, 2003 · Replies 5 · Aug 30, 2003

Replies: 5

Views: 7K

Graduate Impulse Gravity Generator Based on Charged YBa_2Cu_3O_{7-y} Superconductor

Aug 24, 2003 · Replies 10 · Aug 30, 2003

Replies: 10

Views: 4K

Graduate Relativistic current density components

Aug 14, 2003 · Replies 31 · Aug 29, 2003

2

Replies: 31

Views: 8K

High School A couple of basic questions about electromagnetic waves

Aug 17, 2003 · Replies 28 · Aug 22, 2003

Replies: 28

Views: 6K

Graduate How Do Oscillation Patterns Affect the Behaviour of Electromagnetic Waves?

Aug 10, 2003 · Replies 10 · Aug 21, 2003

Replies: 10

Views: 4K

Undergrad Photovoltaics film solar cell technology

Aug 18, 2003 · Replies 1 · Aug 18, 2003

Replies: 1

Views: 3K

Undergrad Electric and magnetic fields of an electromagnetic wave

Aug 15, 2003 · Replies 12 · Aug 17, 2003

Replies: 12

Views: 7K

Graduate Understanding the Properties of EM Waves: Polarization, Coherence, and More

Aug 15, 2003 · Replies 3 · Aug 15, 2003

Replies: 3

Views: 3K

Undergrad Equating mass and charge ratio of cathode rays

Aug 14, 2003 · Replies 2 · Aug 15, 2003

Replies: 2

Views: 13K

Undergrad Unlock the Mystery of Kinetic Energy Transfer with Magnets!

Aug 9, 2003 · Replies 3 · Aug 9, 2003

Replies: 3

Views: 7K

Graduate What Happens to Vector Potential Around Isolated Magnetic Monopoles?

Aug 2, 2003 · Replies 18 · Aug 7, 2003

Replies: 18

Views: 5K

High School Conductivity, altered by a magnetic field?

Aug 5, 2003 · Replies 3 · Aug 6, 2003

Replies: 3

Views: 6K

Graduate Superb Formalism between Charge, Mass and Geometrix

Jul 29, 2003 · Replies 7 · Aug 6, 2003

Replies: 7

Views: 3K

High School Air Resistance Formula: Basics & Explanation

Apr 22, 2003 · Replies 9 · Aug 4, 2003

Replies: 9

Views: 6K

Graduate Bound Electrons and Spintronics

Aug 1, 2003 · Replies 5 · Aug 3, 2003

Replies: 5

Views: 3K

Undergrad Generating Electricity with Magnets: Explained with Equations | Cell-Safe Post

Aug 3, 2003 · Replies 1 · Aug 3, 2003

Replies: 1

Views: 3K

Graduate Detecting Magnetic Monopoles: Beyond Fermilab Experiments

Aug 2, 2003 · Replies 15 · Aug 2, 2003

Replies: 15

Views: 5K

Graduate Quantum electrodynamics enabled?

Jul 31, 2003 · Replies 2 · Aug 2, 2003

Replies: 2

Views: 3K

Undergrad What causes magnetic fields in electric dipoles and moving electrons?

Jul 28, 2003 · Replies 17 · Aug 1, 2003

Replies: 17

Views: 4K

Graduate The Role of Vacuum Impedance in Electromagnetic Wave Propagation

Jul 21, 2003 · Replies 7 · Jul 31, 2003

Replies: 7

Views: 6K

High School Charge in the electrons and protons

Jul 30, 2003 · Replies 1 · Jul 31, 2003

Replies: 1

Views: 6K

Graduate Can a Strong Magnetic Field Bend Light?

Jul 22, 2003 · Replies 13 · Jul 30, 2003

Replies: 13

Views: 10K

Graduate Gauss's Law and a uniformly charged cube

Jul 21, 2003 · Replies 18 · Jul 30, 2003

Replies: 18

Views: 29K

Undergrad Which magnet configuration will produce a faster propelled ball?

Jul 25, 2003 · Replies 13 · Jul 30, 2003

Replies: 13

Views: 3K

Undergrad What are some distinguishing properties between electric and magnetic fields?

Jul 13, 2003 · Replies 5 · Jul 28, 2003

Replies: 5

Views: 16K

Undergrad Mixing electromagnetic frequencies

Jul 25, 2003 · Replies 10 · Jul 28, 2003

Replies: 10

Views: 5K

High School How to learn electronics as a hobby?

Jul 26, 2003 · Replies 10 · Jul 28, 2003

Replies: 10

Views: 46K

Neodymium Magnets - WonderMagnets Store

Jul 22, 2003 · Replies 12 · Jul 24, 2003

Replies: 12

Views: 3K

Undergrad Physics Q&A Game: Exploring Faraday's Law with Marcus' Polar Route Question

May 25, 2003 · Replies 93 · Jul 20, 2003

4

Replies: 93

Views: 17K

Graduate Electromagnetic theory in a curved spacetime

Jul 16, 2003 · Replies 5 · Jul 20, 2003

Replies: 5

Views: 6K

Undergrad What are electrons? (Is why a duck?)

Jul 6, 2003 · Replies 49 · Jul 20, 2003

2

Replies: 49

Views: 11K

Graduate Photons as the electric field. Question

Jul 5, 2003 · Replies 23 · Jul 18, 2003

Replies: 23

Views: 6K

Graduate Which electrons contributed in compton scattering

Jul 17, 2003 · Replies 2 · Jul 17, 2003

Replies: 2

Views: 5K

High School Our Body and EM Waves: Explaining the Response

Jul 3, 2003 · Replies 8 · Jul 16, 2003

Replies: 8

Views: 3K

Revolutionize Your Research with Optics & Electronics R&D Websites

Jul 15, 2003 · Replies 2 · Jul 15, 2003

Replies: 2

Views: 3K

Graduate Is the soft iron core the only method for concentrating magnetic fields?

Jul 15, 2003 · Replies 1 · Jul 15, 2003

Replies: 1

Views: 5K

Undergrad Understanding AC: Is it Really a Wave and How Does Impedance Matching Affect It?

Jul 13, 2003 · Replies 9 · Jul 13, 2003

Replies: 9

Views: 3K

Graduate Uncovering the True Size of an Electron: A Comprehensive Guide | ag-physics.org

Jul 9, 2003 · Replies 8 · Jul 12, 2003

Replies: 8

Views: 34K

High School Momentum is a mass's electrical resistance to change

Jul 6, 2003 · Replies 21 · Jul 11, 2003

Replies: 21

Views: 5K

Undergrad Current theorys in fluid dynamics for jet propulsion

Jul 9, 2003 · Replies 2 · Jul 10, 2003

Replies: 2

Views: 3K

Undergrad Magnetic Field vs Magnetic Force

Jul 2, 2003 · Replies 10 · Jul 8, 2003

Replies: 10

Views: 13K

High School EM Waves: Understanding their Composition and Mass [SOLVED]

Jul 1, 2003 · Replies 30 · Jul 8, 2003

2

Replies: 30

Views: 6K

Undergrad How Can We Use Conductors to Receive EM from Space?

Jul 3, 2003 · Replies 3 · Jul 3, 2003

Replies: 3

Views: 3K

Graduate Can a Rotating Magnet Prove the Relativity of Electric Fields?

Jun 30, 2003 · Replies 3 · Jun 30, 2003

Replies: 3

Views: 5K

Graduate Mass-vectors according to Maxwell

Jun 27, 2003 · Replies 6 · Jun 28, 2003

Replies: 6

Views: 3K

Undergrad Visible light is an EM wave just like radio waves are

Jun 19, 2003 · Replies 20 · Jun 22, 2003

Replies: 20

Views: 6K

Graduate What is the significance of v/c factors in the Maxwell-Einstein conflict?

Jun 15, 2003 · Replies 10 · Jun 21, 2003

Replies: 10

Views: 7K

Undergrad Physics Behind Generating a Small Current with a Diode

Jun 19, 2003 · Replies 6 · Jun 21, 2003

Replies: 6

Views: 4K

Graduate Charge balancing in thunderstorms

Jun 19, 2003 · Replies 9 · Jun 20, 2003

Replies: 9

Views: 4K

Undergrad Are Electromagnetic Waves Perpetual Motion?

Jun 20, 2003 · Replies 3 · Jun 20, 2003

Replies: 3

Views: 2K

Undergrad Where do the charges come from?

Jun 15, 2003 · Replies 2 · Jun 15, 2003

Replies: 2

Views: 4K

Undergrad Understanding Electric Fields and Potential in Parallel Plate Conductors

Jun 13, 2003 · Replies 5 · Jun 15, 2003

Replies: 5

Views: 7K

Graduate Maximum magnetic field strength

Jun 14, 2003 · Replies 7 · Jun 14, 2003

Replies: 7

Views: 11K

Graduate How Do Magnetic Fields Relate to Current Density in Physics?

Jun 1, 2003 · Replies 9 · Jun 12, 2003

Replies: 9

Views: 4K

High School How to use the RC ckt to make a filter?

May 14, 2003 · Replies 2 · Jun 12, 2003

Replies: 2

Views: 2K

Graduate Bohm's faster than light information travel experiment

Jun 11, 2003 · Replies 1 · Jun 11, 2003

Replies: 1

Views: 3K

Undergrad So can you use electromagnetic fields to repel uncharged objects?

Jun 10, 2003 · Replies 10 · Jun 11, 2003

Replies: 10

Views: 10K

Graduate Myron Evans O(3) Electromagnetism

May 28, 2003 · Replies 1 · Jun 9, 2003

Replies: 1

Views: 4K

High School Current is 5 amperes. voltage is 10 volts

Jun 8, 2003 · Replies 1 · Jun 8, 2003

Replies: 1

Views: 2K

Undergrad What Are the Dimensions of Permeability and Permittivity?

Jun 6, 2003 · Replies 3 · Jun 8, 2003

Replies: 3

Views: 10K

Graduate The cosmological redshift is not the result of a Lorentz transformation

May 30, 2003 · Replies 7 · Jun 8, 2003

Replies: 7

Views: 4K

Graduate EM Wave Energy: Proportional to Ampt Squared

Jun 7, 2003 · Replies 3 · Jun 8, 2003

Replies: 3

Views: 3K

Favourite physics books or topics? What are you studying currently?

May 29, 2003 · Replies 5 · Jun 4, 2003

Replies: 5

Views: 8K

Graduate Can Kinetic Energy from Electrolysis Gas Outweigh the Process Energy?

May 30, 2003 · Replies 8 · Jun 1, 2003

Replies: 8

Views: 5K

Undergrad Understanding Maxwell's 4th Equation: Displacement Current Explained

May 30, 2003 · Replies 3 · May 30, 2003

Replies: 3

Views: 8K

High School Understanding Electron Clouds: A Brief Overview

May 26, 2003 · Replies 4 · May 29, 2003

Replies: 4

Views: 4K

Undergrad Need help with Spool and Condenser

May 29, 2003 · Replies 1 · May 29, 2003

Replies: 1

Views: 4K

Graduate Brain Teaser: Voltage Measurements in a Closed Square Loop of Wire

May 25, 2003 · Replies 17 · May 28, 2003

Replies: 17

Views: 4K

High School Are Double Charge Particles Like -2 Electrons or +2 Protons Real?

May 27, 2003 · Replies 4 · May 28, 2003

Replies: 4

Views: 3K

Graduate Subquantum Field Theory & Field Model of Electron

May 22, 2003 · Replies 1 · May 27, 2003

Replies: 1

Views: 4K

High School Frequency-Amplitude: Do Higher Frequencies Mean Higher Amplitude?

May 24, 2003 · Replies 4 · May 26, 2003

Replies: 4

Views: 13K

Graduate Can Surface Changes in Charged Conductors Yield More Energy Than Required?

May 7, 2003 · Replies 14 · May 26, 2003

Replies: 14

Views: 6K

Undergrad Build Cyclotron: Find 12" Neodymium Disc Magnet

May 20, 2003 · Replies 9 · May 22, 2003

Replies: 9

Views: 5K

Graduate How Much Energy Does It Take to Suspend Plasma in Electromagnetic Field

May 22, 2003 · Replies 1 · May 22, 2003

Replies: 1

Views: 2K

Undergrad Permanent Magnets: Electron Spin & Magnetic Fields

May 21, 2003 · Replies 1 · May 21, 2003

Replies: 1

Views: 4K

Graduate Oscillating Charge: Radiation Emitted - Wisdom Shared

May 16, 2003 · Replies 9 · May 21, 2003

Replies: 9

Views: 12K

Undergrad What Limits the Detail Optical Devices Can See and How Does SEM Compare?

May 16, 2003 · Replies 13 · May 17, 2003

Replies: 13

Views: 6K

Undergrad What does the frequency sharpness mean?

May 11, 2003 · Replies 9 · May 16, 2003

Replies: 9

Views: 9K

High School Mastering Capacitors: A Comprehensive Guide to Understanding and Troubleshooting

May 13, 2003 · Replies 4 · May 15, 2003

Replies: 4

Views: 3K

Graduate Why Do Electrons Move: Uncovering the Mysteries Behind Particle Movement

May 14, 2003 · Replies 13 · May 14, 2003

Replies: 13

Views: 15K

Graduate Electric Charge, a novel view.

May 10, 2003 · Replies 1 · May 13, 2003

Replies: 1

Views: 3K

Undergrad Would the Induced Current Change Direction Inside a Solenoid with a Search Coil?

May 5, 2003 · Replies 2 · May 11, 2003

Replies: 2

Views: 8K

Undergrad Do charges (static or moving) reflect light?

May 9, 2003 · Replies 5 · May 11, 2003

Replies: 5

Views: 3K

Undergrad Can an Electric Shock Cause a Person to be 'Stuck' to an Object?

May 8, 2003 · Replies 5 · May 9, 2003

Replies: 5

Views: 6K

Undergrad Equation handy for the recoil of an electron

May 7, 2003 · Replies 1 · May 7, 2003

Replies: 1

Views: 3K

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