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

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

Replies: 2

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

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

Replies: 6

High School Common static vs common electricity?

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

Replies: 7

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

benzun_1999
Oct 10, 2003 · Replies 10 · Oct 16, 2003

Replies: 10

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

jimmy2003
Oct 15, 2003 · Replies 1 · Oct 15, 2003

Replies: 1

High School Terahertz Waves: Learn More About EM Spectrum Position

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

Replies: 5

Graduate Change and Resistance: The Driving Forces of the Universe

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

Replies: 3

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

carl fischbach
Oct 12, 2003 · Replies 12 · Oct 14, 2003

Replies: 12

Graduate Electrical potential and surface curvature

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

Replies: 12

High School What does conventional current mean?

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

Replies: 11

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

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

Replies: 5

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

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

Replies: 3

Undergrad Suppose you have a metallic sphere

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

Replies: 4

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

benzun_1999
Oct 1, 2003 · Replies 9 · Oct 9, 2003

Replies: 9

High School A rather basic question on electromagnetic fields

Sikz
Oct 5, 2003 · Replies 9 · Oct 7, 2003

Replies: 9

High School Explain me what is a electromagnetic wave?

benzun_1999
Sep 23, 2003 · Replies 11 · Oct 6, 2003

Replies: 11

Undergrad Electrical Field Inside a Charged Metallic Conductor

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

Replies: 14

High School What is the nature of an electromagnetic wave?

syano
Oct 1, 2003 · Replies 9 · Oct 2, 2003

Replies: 9

High School A physics experiment with magnets and a vote pole

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

Replies: 15

Undergrad Maximizing Power Delivery: Impedance Matching Proof

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

Replies: 1

Graduate Acoustic Weapons - A Prospective Assessment

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

Replies: 3

High School Why Capacitor Blocks DC & Inductor Blocks AC?

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

Replies: 5

Undergrad Why superconductors repel magnets no matter what polarity

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

Replies: 5

Uncovering the Power of Static Electricity: My Surprising TV Experiment

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

Replies: 14

Graduate Hall resistance and fine structre constant

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

Replies: 8

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

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

Replies: 5

High School How Do Electric Magnets Affect Welding Quality?

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

Replies: 2

Undergrad Electromagnetism Question: Electrons in Motion and Magnetic Fields Explained

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

Replies: 8

Graduate Can a Perpetual Motion Machine Ever Be Realized?

FZ+
Sep 6, 2003 · Replies 6 · Sep 9, 2003

Replies: 6

Undergrad Linear Permanent Magnet Generator

Syed F. Karim
Sep 5, 2003 · Replies 5 · Sep 5, 2003

Replies: 5

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

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

2

Replies: 44

Undergrad Placement of Magnet in Simple Induction

Syed F. Karim
Sep 5, 2003 · Replies 1 · Sep 5, 2003

Replies: 1

High School What Causes Antennas to Radiate?

shankar
Sep 4, 2003 · Replies 8 · Sep 4, 2003

Replies: 8

Graduate Shock waves in crystals and frequency changes

Tyro
Sep 1, 2003 · Replies 1 · Sep 1, 2003

Replies: 1

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

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

Replies: 5

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

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

Replies: 10

Graduate Relativistic current density components

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

2

Replies: 31

High School A couple of basic questions about electromagnetic waves

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

Replies: 28

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

Hydr0matic
Aug 10, 2003 · Replies 10 · Aug 21, 2003

Replies: 10

Undergrad Photovoltaics film solar cell technology

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

Replies: 1

Undergrad Electric and magnetic fields of an electromagnetic wave

bdkeenan00
Aug 15, 2003 · Replies 12 · Aug 17, 2003

Replies: 12

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

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

Replies: 3

Undergrad Equating mass and charge ratio of cathode rays

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

Replies: 2

Undergrad Unlock the Mystery of Kinetic Energy Transfer with Magnets!

Cyberice
Aug 9, 2003 · Replies 3 · Aug 9, 2003

Replies: 3

Graduate What Happens to Vector Potential Around Isolated Magnetic Monopoles?

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

Replies: 18

High School Conductivity, altered by a magnetic field?

Dingle
Aug 5, 2003 · Replies 3 · Aug 6, 2003

Replies: 3

Graduate Superb Formalism between Charge, Mass and Geometrix

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

Replies: 7

High School Air Resistance Formula: Basics & Explanation

dav2008
Apr 22, 2003 · Replies 9 · Aug 4, 2003

Replies: 9

Graduate Bound Electrons and Spintronics

Lyuokdea
Aug 1, 2003 · Replies 5 · Aug 3, 2003

Replies: 5

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

jakrabb
Aug 3, 2003 · Replies 1 · Aug 3, 2003

Replies: 1

Graduate Detecting Magnetic Monopoles: Beyond Fermilab Experiments

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

Replies: 15

Graduate Quantum electrodynamics enabled?

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

Replies: 2

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

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

Replies: 17

Graduate The Role of Vacuum Impedance in Electromagnetic Wave Propagation

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

Replies: 7

High School Charge in the electrons and protons

benzun_1999
Jul 30, 2003 · Replies 1 · Jul 31, 2003

Replies: 1

Graduate Can a Strong Magnetic Field Bend Light?

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

Replies: 13

Graduate Gauss's Law and a uniformly charged cube

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

Replies: 18

Undergrad Which magnet configuration will produce a faster propelled ball?

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

Replies: 13

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

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

Replies: 5

Undergrad Mixing electromagnetic frequencies

C. Dopplebock
Jul 25, 2003 · Replies 10 · Jul 28, 2003

Replies: 10

High School How to learn electronics as a hobby?

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

Replies: 10

Neodymium Magnets - WonderMagnets Store

On Radioactive Waves
Jul 22, 2003 · Replies 12 · Jul 24, 2003

Replies: 12

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

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

4

Replies: 93

Graduate Electromagnetic theory in a curved spacetime

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

Replies: 5

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

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

2

Replies: 49

Graduate Photons as the electric field. Question

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

Replies: 23

Graduate Which electrons contributed in compton scattering

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

Replies: 2

High School Our Body and EM Waves: Explaining the Response

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

Replies: 8

Revolutionize Your Research with Optics & Electronics R&D Websites

optics2001
Jul 15, 2003 · Replies 2 · Jul 15, 2003

Replies: 2

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

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

Replies: 1

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

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

Replies: 9

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

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

Replies: 8

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

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

Replies: 21

Undergrad Current theorys in fluid dynamics for jet propulsion

hell18
Jul 9, 2003 · Replies 2 · Jul 10, 2003

Replies: 2

Undergrad Magnetic Field vs Magnetic Force

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

Replies: 10

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

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

2

Replies: 30

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

shankar
Jul 3, 2003 · Replies 3 · Jul 3, 2003

Replies: 3

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

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

Replies: 3

Graduate Mass-vectors according to Maxwell

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

Replies: 6

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

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

Replies: 20

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

thedude27
Jun 15, 2003 · Replies 10 · Jun 21, 2003

Replies: 10

Undergrad Physics Behind Generating a Small Current with a Diode

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

Replies: 6

Graduate Charge balancing in thunderstorms

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

Replies: 9

Undergrad Are Electromagnetic Waves Perpetual Motion?

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

Replies: 3

Undergrad Where do the charges come from?

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

Replies: 2

Undergrad Understanding Electric Fields and Potential in Parallel Plate Conductors

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

Replies: 5

Graduate Maximum magnetic field strength

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

Replies: 7

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

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

Replies: 9

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

newton1
May 14, 2003 · Replies 2 · Jun 12, 2003

Replies: 2

Graduate Bohm's faster than light information travel experiment

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

Replies: 1

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

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

Replies: 10

Graduate Myron Evans O(3) Electromagnetism

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

Replies: 1

High School Current is 5 amperes. voltage is 10 volts

dynamic998
Jun 8, 2003 · Replies 1 · Jun 8, 2003

Replies: 1

Undergrad What Are the Dimensions of Permeability and Permittivity?

einsteinian77
Jun 6, 2003 · Replies 3 · Jun 8, 2003

Replies: 3

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

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

Replies: 7

Graduate EM Wave Energy: Proportional to Ampt Squared

Hydr0matic
Jun 7, 2003 · Replies 3 · Jun 8, 2003

Replies: 3

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

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

Replies: 5

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

brm123
May 30, 2003 · Replies 8 · Jun 1, 2003

Replies: 8

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

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

Replies: 3

High School Understanding Electron Clouds: A Brief Overview

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

Replies: 4

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