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Graduate Help: Lorentz transform for angles

May 7, 2005 · Replies 6 · May 8, 2005

Replies: 6

Views: 3K

Undergrad What is a Field? Unraveling the Mystery of Magnetic Lines of Force

May 6, 2005 · Replies 20 · May 7, 2005

Replies: 20

Views: 15K

Undergrad Calculating Air Resistance Work on a Thrown Ball

May 5, 2005 · Replies 6 · May 7, 2005

Replies: 6

Views: 2K

Undergrad Hillbilly Tutorial on Piezoelectric effect?

May 6, 2005 · Replies 2 · May 7, 2005

Replies: 2

Views: 7K

Undergrad What is voltage and how does it relate to electric energy?

May 5, 2005 · Replies 3 · May 6, 2005

Replies: 3

Views: 2K

High School What Are the Similarities and Differences Between Magnetic and Electric Fields?

May 4, 2005 · Replies 2 · May 5, 2005

Replies: 2

Views: 15K

Undergrad Measure Resistivity in Brick Using Lab Equipment

Apr 28, 2005 · Replies 3 · May 5, 2005

Replies: 3

Views: 2K

Graduate Understanding the Mechanics of Light-Induced Voltage in L.E.D.s

May 4, 2005 · Replies 35 · May 5, 2005

2

Replies: 35

Views: 9K

Graduate Charge Redistribution in Unequal Capacitors with an Inductor

May 4, 2005 · Replies 3 · May 5, 2005

Replies: 3

Views: 3K

Graduate Is Gauss' Law Wrong? Evidence & Explanation

May 2, 2005 · Replies 9 · May 4, 2005

Replies: 9

Views: 4K

High School Calibrating a Hall probe (again)

May 4, 2005 · Replies 1 · May 4, 2005

Replies: 1

Views: 2K

Graduate Capacitance of a cylinder containing an infinite number of cylinders

May 3, 2005 · Replies 2 · May 3, 2005

Replies: 2

Views: 4K

Undergrad Solenoid 30cm long and 8cm in diameter

May 2, 2005 · Replies 2 · May 2, 2005

Replies: 2

Views: 2K

High School Electrics (last minute check up for test tommorrow)

May 1, 2005 · Replies 1 · May 2, 2005

Replies: 1

Views: 2K

Graduate Griffiths E&M Questions: Simple Solutions to Complex Problems

Apr 23, 2005 · Replies 26 · May 2, 2005

Replies: 26

Views: 6K

Graduate Charge on Surface with Sharp Features

May 2, 2005 · Replies 4 · May 2, 2005

Replies: 4

Views: 2K

Undergrad Does EM Wave Induce Current at a Distance?

May 2, 2005 · Replies 1 · May 2, 2005

Replies: 1

Views: 2K

High School Negative Current in Circuit: Is It Possible?

Apr 24, 2005 · Replies 14 · May 1, 2005

Replies: 14

Views: 67K

Graduate Understanding Maxwell's Equations and the Role of Charge and Current Conditions

Apr 26, 2005 · Replies 5 · Apr 29, 2005

Replies: 5

Views: 3K

Undergrad Having a little trouble understanding electromagnetic induction

Apr 27, 2005 · Replies 2 · Apr 28, 2005

Replies: 2

Views: 3K

Graduate Question concerning the nature of charges

Apr 22, 2005 · Replies 6 · Apr 27, 2005

Replies: 6

Views: 3K

Undergrad Measuring the net speed of an electron in a conductor

Apr 25, 2005 · Replies 19 · Apr 26, 2005

Replies: 19

Views: 5K

Undergrad Quick questions for tomorrows E&M lab practical exam

Apr 25, 2005 · Replies 2 · Apr 26, 2005

Replies: 2

Views: 5K

Undergrad Current in a Resistor-Capacitor Circuit with -5V EMF

Apr 24, 2005 · Replies 1 · Apr 24, 2005

Replies: 1

Views: 2K

Graduate Verifying Griffiths' Result on Coulomb Law

Apr 22, 2005 · Replies 20 · Apr 24, 2005

Replies: 20

Views: 4K

Undergrad What is the force of wind resistance on a sign attached to a vehicle?

Apr 20, 2005 · Replies 2 · Apr 23, 2005

Replies: 2

Views: 2K

Graduate What is an Electron? Radius, Substance, Quarks & More

Apr 18, 2005 · Replies 25 · Apr 22, 2005

Replies: 25

Views: 16K

Graduate Trouble/Question with/about Maxwell Equations

Apr 16, 2005 · Replies 33 · Apr 21, 2005

2

Replies: 33

Views: 10K

Undergrad Can Electric Shock Cause Quicksilver Reactions in Mercury?

Apr 20, 2005 · Replies 4 · Apr 21, 2005

Replies: 4

Views: 2K

High School How can I speed up the electrolytic rust removal process?

Apr 19, 2005 · Replies 6 · Apr 20, 2005

Replies: 6

Views: 7K

Graduate Electric energies between 2 pt charges

Apr 17, 2005 · Replies 4 · Apr 20, 2005

Replies: 4

Views: 2K

Graduate Charge Radiation: Acceleration & Constant Charges

Apr 19, 2005 · Replies 3 · Apr 19, 2005

Replies: 3

Views: 2K

Graduate Why \mu_0 is Used & Where it Comes From in Physics

Apr 18, 2005 · Replies 10 · Apr 19, 2005

Replies: 10

Views: 4K

Graduate Question about orbiting charges

Apr 19, 2005 · Replies 4 · Apr 19, 2005

Replies: 4

Views: 3K

Undergrad Harmonics are integer multiples of a fundamental frequency

Apr 14, 2005 · Replies 12 · Apr 18, 2005

Replies: 12

Views: 9K

Undergrad Internal Resistance: Causes in Cells & Solar Cells

Apr 17, 2005 · Replies 1 · Apr 18, 2005

Replies: 1

Views: 5K

High School Effects of Cell Arrangement on EMF in Series and Parallel Circuits

Apr 13, 2005 · Replies 3 · Apr 18, 2005

Replies: 3

Views: 21K

Undergrad Electostatic(Guass' Law)

Apr 16, 2005 · Replies 12 · Apr 17, 2005

Replies: 12

Views: 3K

High School Understanding the Confusion: Watts vs. Watts per Hour?

Apr 13, 2005 · Replies 8 · Apr 13, 2005

Replies: 8

Views: 3K

Undergrad One Day to Prepare for E&M Midterm: What to Focus On?

Apr 12, 2005 · Replies 1 · Apr 13, 2005

Replies: 1

Views: 3K

Undergrad Unanswered Electrostatics Questions: Seeking Answers to Common Misconceptions

Apr 11, 2005 · Replies 5 · Apr 11, 2005

Replies: 5

Views: 5K

High School Vs/Vp = Ns/Np This apply in transformer.

Apr 6, 2005 · Replies 3 · Apr 9, 2005

Replies: 3

Views: 7K

Undergrad Electro magnetic wave and light

Apr 8, 2005 · Replies 4 · Apr 8, 2005

Replies: 4

Views: 23K

Graduate How Is Magnetic Force Calculated on a Cylinder in a Gradient Field?

Mar 30, 2005 · Replies 1 · Apr 8, 2005

Replies: 1

Views: 3K

Undergrad Is Charge Density Only Defined for Stationary Charges?

Apr 7, 2005 · Replies 10 · Apr 8, 2005

Replies: 10

Views: 3K

Undergrad Designing a Maglev Train: Feasibility and Stability

Apr 7, 2005 · Replies 1 · Apr 7, 2005

Replies: 1

Views: 8K

High School Formula for resistance in parallel circuit

Apr 7, 2005 · Replies 2 · Apr 7, 2005

Replies: 2

Views: 2K

Graduate How can a photon have a frequency?

Apr 2, 2005 · Replies 16 · Apr 6, 2005

Replies: 16

Views: 7K

High School Electricity: What Is the Plus Charge?

Apr 5, 2005 · Replies 6 · Apr 5, 2005

Replies: 6

Views: 2K

High School Why aren't atoms magnets? dont their electrons generate magnetic fields?

Apr 3, 2005 · Replies 7 · Apr 4, 2005

Replies: 7

Views: 14K

Undergrad Calculating Electron Motion in a Uniform Electric Field

Apr 2, 2005 · Replies 7 · Apr 3, 2005

Replies: 7

Views: 2K

Undergrad Dimensions of K (the constant in Coulomb's Law)

Apr 1, 2005 · Replies 10 · Apr 3, 2005

Replies: 10

Views: 56K

High School Find the sensitivity and accuracy of electronic weighing scales?

Apr 3, 2005 · Replies 2 · Apr 3, 2005

Replies: 2

Views: 7K

Undergrad Lack of air resistance VS lack of gravity

Apr 2, 2005 · Replies 13 · Apr 3, 2005

Replies: 13

Views: 6K

Graduate What is causing the arcing in our hydraulic flowmeter?

Apr 1, 2005 · Replies 5 · Apr 2, 2005

Replies: 5

Views: 3K

Graduate Working from electromagnetism to circuit theory

Apr 1, 2005 · Replies 4 · Apr 1, 2005

Replies: 4

Views: 3K

High School Can you use a dc circuit in a transformer?

Mar 26, 2005 · Replies 19 · Apr 1, 2005

Replies: 19

Views: 4K

Undergrad Total Electric Charge: Is Our Universe's Zero?

Mar 31, 2005 · Replies 5 · Apr 1, 2005

Replies: 5

Views: 3K

Undergrad Gravity - Electric Force questions

Mar 28, 2005 · Replies 17 · Mar 30, 2005

Replies: 17

Views: 8K

Undergrad How Magnets Interact & What Happens to Magnetization

Mar 24, 2005 · Replies 13 · Mar 30, 2005

Replies: 13

Views: 4K

Undergrad Frequency Stability: What Does 2 Parts in 10E10 Mean?

Mar 23, 2005 · Replies 3 · Mar 28, 2005

Replies: 3

Views: 2K

Undergrad Why the frequency in both shallower and deeper part is the same?

Mar 28, 2005 · Replies 1 · Mar 28, 2005

Replies: 1

Views: 2K

Undergrad Way to concentrate the magnetic field of magnets

Mar 19, 2005 · Replies 2 · Mar 24, 2005

Replies: 2

Views: 3K

Undergrad What happens when you combine these wavelengths

Mar 24, 2005 · Replies 1 · Mar 24, 2005

Replies: 1

Views: 4K

High School Why are magnetic feilds formed from an electric current?

Mar 23, 2005 · Replies 7 · Mar 24, 2005

Replies: 7

Views: 4K

Undergrad What Happens to an Inductor When the Circuit Is Broken?

Mar 23, 2005 · Replies 1 · Mar 24, 2005

Replies: 1

Views: 6K

High School Electric Field Lines and points

Mar 23, 2005 · Replies 9 · Mar 23, 2005

Replies: 9

Views: 5K

High School My Lamp Problem: Touch-Activated Unexplained On/Off

Mar 23, 2005 · Replies 4 · Mar 23, 2005

Replies: 4

Views: 3K

Undergrad Resonant Frequency of a wine glass

Mar 21, 2005 · Replies 4 · Mar 23, 2005

Replies: 4

Views: 10K

High School I have a question about magnetism

Mar 20, 2005 · Replies 5 · Mar 22, 2005

Replies: 5

Views: 2K

Graduate Atomic Electron Orbital Changes in High Voltage Capacitor Experiment

Mar 19, 2005 · Replies 3 · Mar 20, 2005

Replies: 3

Views: 2K

High School Not sure what a capacitator is

Mar 19, 2005 · Replies 2 · Mar 19, 2005

Replies: 2

Views: 6K

Graduate Does a Changing Magnetic Field Induce Current in Wire Circles and Affect Light Intensity from Stars to Earth?

Mar 19, 2005 · Replies 2 · Mar 19, 2005

Replies: 2

Views: 2K

Undergrad Hard Mag. Field question need assistance

Mar 9, 2005 · Replies 3 · Mar 18, 2005

Replies: 3

Views: 3K

Graduate Can E and B be perpendicular in different reference frames?

Mar 14, 2005 · Replies 20 · Mar 17, 2005

Replies: 20

Views: 4K

Graduate How Is Faraday's Law Applied in Time-Varying Loops?

Mar 14, 2005 · Replies 4 · Mar 17, 2005

Replies: 4

Views: 4K

High School Adding Batteries in Series: Explaining Voltage Increase

Mar 7, 2005 · Replies 6 · Mar 17, 2005

Replies: 6

Views: 6K

High School What happens when a magnetized strip is moved past a coil of wire?

Mar 16, 2005 · Replies 3 · Mar 17, 2005

Replies: 3

Views: 4K

Undergrad Magnetism (Iron filling question)

Mar 15, 2005 · Replies 2 · Mar 16, 2005

Replies: 2

Views: 4K

Undergrad Endothermic reactions converted heat energy as electricity?

Mar 12, 2005 · Replies 1 · Mar 16, 2005

Replies: 1

Views: 4K

High School Unravelling the Mystery of Touch-Activated Lamps

Mar 15, 2005 · Replies 3 · Mar 15, 2005

Replies: 3

Views: 3K

Canadian light source electromagnetic radiation

Mar 15, 2005 · Replies 1 · Mar 15, 2005

Replies: 1

Views: 2K

Undergrad What Is the Role of Flux in Electromagnetic Induction?

Mar 15, 2005 · Replies 1 · Mar 15, 2005

Replies: 1

Views: 16K

Undergrad Electric Field: Q, Epsilon 0, and the Inverse Square Law

Mar 13, 2005 · Replies 16 · Mar 15, 2005

Replies: 16

Views: 5K

Graduate Force/ enegry equations for maglev (electromangetism)

Mar 15, 2005 · Replies 1 · Mar 15, 2005

Replies: 1

Views: 12K

Undergrad Electron & proton charges precisely equal

Mar 8, 2005 · Replies 6 · Mar 15, 2005

Replies: 6

Views: 9K

High School People who can let electricity flows through their bodies

Mar 7, 2005 · Replies 20 · Mar 15, 2005

Replies: 20

Views: 6K

High School Magnetic Field affect on charges

Mar 13, 2005 · Replies 1 · Mar 13, 2005

Replies: 1

Views: 4K

Undergrad Question about electromagnetism and photons

Mar 12, 2005 · Replies 3 · Mar 12, 2005

Replies: 3

Views: 2K

Graduate How would constant acceleration affect a Hohmann Transfer Orbit?

Mar 12, 2005 · Replies 2 · Mar 12, 2005

Replies: 2

Views: 10K

High School Why are temperature/voltage/etc not measured all in KJ?

Mar 11, 2005 · Replies 8 · Mar 12, 2005

Replies: 8

Views: 3K

High School What causes the formation of magnetic poles in a bar magnet?

Mar 11, 2005 · Replies 6 · Mar 11, 2005

Replies: 6

Views: 13K

Graduate Why Does a Charged Disk Generate a Non-Zero Electric Field at Its Center?

Mar 10, 2005 · Replies 1 · Mar 10, 2005

Replies: 1

Views: 2K

Graduate Calculating the Coulomb Force between 2 charges in space

Mar 5, 2005 · Replies 6 · Mar 9, 2005

Replies: 6

Views: 8K

Undergrad What is the magnetic field in a loop with current?

Mar 7, 2005 · Replies 1 · Mar 9, 2005

Replies: 1

Views: 3K

High School What is the Formula for Determining the Strength of an Electromagnet?

Mar 6, 2005 · Replies 9 · Mar 8, 2005

Replies: 9

Views: 26K

Undergrad Calculating Moment of Inertia of a magnet

Feb 26, 2005 · Replies 5 · Mar 8, 2005

Replies: 5

Views: 44K

Undergrad Electromagnetism to deviate the path of an incoming bullet

Mar 7, 2005 · Replies 6 · Mar 8, 2005

Replies: 6

Views: 3K

Undergrad Maxwell Relations (not equations)

Mar 7, 2005 · Replies 2 · Mar 7, 2005

Replies: 2

Views: 8K

Undergrad A good EM book that isn't too detailed

Mar 6, 2005 · Replies 4 · Mar 7, 2005

Replies: 4

Views: 3K

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