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A
Explaining the Meaning of "Flux" in Electromagnetism
Jan 20, 2012
Replies
6
Views
37K
Electric Fields/Electric Potential
Jan 20, 2012
Replies
1
Views
2K
Coulomb Gauge and Gauge Transformation
Jan 19, 2012
Replies
1
Views
3K
Variable-capacitance power generation
Jan 19, 2012
Replies
1
Views
2K
Question on Feynman lectures volume 1 (wavelength and frequency)
Jan 19, 2012
Replies
4
Views
2K
Question about the motion charges moving within an electric field
Jan 18, 2012
Replies
5
Views
3K
Rotating magnet inside coil = flux change?
Jan 18, 2012
Replies
2
Views
6K
Magnetic forces in planetary orbits
Jan 18, 2012
Replies
5
Views
4K
Connection between four current and Noether current.
Jan 17, 2012
Replies
1
Views
2K
Understanding Potential Difference: Work Done per Unit Charge?
Jan 16, 2012
2
Replies
42
Views
7K
Surface Charge Concept: Why Charges Move to Outer Surface
Jan 16, 2012
Replies
4
Views
1K
Six cylindrical magnets arranged N-S-N-S-N-S formed into a ring hold shape?
Jan 16, 2012
Replies
15
Views
5K
Exploring the Possibilities of Using Magnets to Generate Energy
Jan 15, 2012
Replies
6
Views
4K
Energy of homogenously charged sphere
Jan 15, 2012
Replies
5
Views
2K
Could this process using gravity generate electricity?
Jan 15, 2012
Replies
2
Views
3K
Effects of Electromagnetic mass indistinguishable from regular mass?
Jan 15, 2012
Replies
2
Views
2K
How to build a stonger Electro-Magnet
Jan 15, 2012
2
Replies
50
Views
131K
VOLUME charge density from SURFACE/LINE charge density?
Jan 15, 2012
Replies
9
Views
19K
Perturbation of a uniform electrostatic field by a dielectric cube
Jan 14, 2012
Replies
9
Views
3K
Electric field in stored charges
Jan 13, 2012
Replies
4
Views
2K
Gamma radiation photoelectric effect
Jan 13, 2012
Replies
4
Views
5K
Connecting a dynamo to bicycle to get electricity
Jan 13, 2012
Replies
1
Views
2K
Spin and orbit velocity of electron slows down approaching c ?
Jan 13, 2012
Replies
23
Views
5K
Are Protons, Neutrons, and Electrons energy?
Jan 12, 2012
Replies
4
Views
3K
Identifying Charges Using a Pith-ball Electroscope?
Jan 12, 2012
Replies
4
Views
6K
Magnetic field of radially aligned spherical magnet
Jan 11, 2012
Replies
1
Views
3K
Voltage difference = Infinity?
Jan 11, 2012
Replies
4
Views
2K
Struggling to Teach AS Level Electricity: What Analogies Can Help?
Jan 11, 2012
Replies
5
Views
2K
Force, mass versus resistance to move a weight
Jan 11, 2012
Replies
23
Views
7K
Nuclear equations and conservation of charge
Jan 11, 2012
Replies
4
Views
2K
Complex orthogonality of electric and magnetic fields
Jan 10, 2012
Replies
8
Views
4K
Where Will a Current Loop Tend to Go When Placed in Different Positions?
Jan 10, 2012
Replies
1
Views
2K
Understanding Electron Orbits: A Physics Problem Explained
Jan 10, 2012
Replies
4
Views
2K
Understanding Gas Current Flow: A Comprehensive Guide
Jan 9, 2012
Replies
1
Views
2K
Battery to battery straight wire of current?
Jan 9, 2012
Replies
1
Views
2K
Fluid mechanics observation relative to neodymium magnets question.
Jan 9, 2012
Replies
1
Views
2K
How would you calculate the amplitude of an electromagnetic wave?
Jan 8, 2012
Replies
4
Views
3K
Does the Lorentz Force Account for Radiation Loss in Charged Particles?
Jan 8, 2012
Replies
1
Views
2K
Car Exhasut heat to electricity
Jan 7, 2012
Replies
19
Views
4K
Calculating the force exerted on structure by two large permanent magnets
Jan 7, 2012
Replies
1
Views
2K
Electron Flow in Short-Circuited Battery: What to Expect?
Jan 7, 2012
Replies
6
Views
2K
Can magnet fields deflect displacement currents?
Jan 7, 2012
Replies
7
Views
3K
Forces on multiple cylindrical magnets stacked
Jan 6, 2012
Replies
11
Views
4K
Does a Rotating Bar Magnet Emit Magnetic Dipole Radiation?
Jan 6, 2012
Replies
2
Views
8K
Qausi-static displacement current (Purcell)
Jan 5, 2012
Replies
1
Views
2K
Electron movement in a stationary magnetic field
Jan 5, 2012
Replies
4
Views
3K
Calculating the ratio of charges in Leyden Jar
Jan 5, 2012
Replies
1
Views
2K
AC Supply from DC Transformer | Current/Voltage
Jan 5, 2012
Replies
1
Views
2K
Variable Frequency Generator question
Jan 5, 2012
Replies
2
Views
3K
Voltage of electrochemical cell
Jan 4, 2012
Replies
1
Views
2K
Magnetic Propulsion in Salt Water
Jan 4, 2012
Replies
6
Views
9K
Electromagnetic force question
Jan 3, 2012
Replies
2
Views
2K
Strongest Magnetic Materials: Rare Earths and NdBFe
Jan 3, 2012
Replies
1
Views
2K
About magnet field in solid oxydes fuel cells
Jan 3, 2012
Replies
1
Views
1K
Forces in a circle from similar charges?
Jan 3, 2012
Replies
6
Views
2K
Is it possible to make water more diamagnetic?
Jan 2, 2012
Replies
2
Views
2K
Magnetic Field From a Solenoid - Biot-Savart Law
Jan 2, 2012
Replies
2
Views
4K
Electric current transmitted over great distances.
Jan 1, 2012
Replies
12
Views
4K
Question about Natural Frequency and Resonance
Dec 30, 2011
Replies
7
Views
4K
A very stupid question about electricity for a project being done just for fun
Dec 30, 2011
Replies
6
Views
3K
How Do You Calculate Holding Current for a Spark?
Dec 30, 2011
Replies
4
Views
4K
Proton and electron simple conceptual question. pretty basic,
Dec 29, 2011
Replies
6
Views
3K
Rock that gives off static charge when struck
Dec 29, 2011
Replies
5
Views
2K
Physical interpretation of conductivity with electromagnetic waves?
Dec 29, 2011
Replies
2
Views
3K
Dielectric constant refractive index relationship
Dec 29, 2011
Replies
4
Views
20K
Electric Field Lines: Intersection & Equilibrium
Dec 29, 2011
Replies
4
Views
2K
Conservation of angular momentum - tetherball vs charged particle
Dec 29, 2011
Replies
9
Views
5K
Why velocity affects electromagnetic induction?
Dec 28, 2011
Replies
1
Views
2K
Lagrangian for electromagnetic field
Dec 28, 2011
Replies
2
Views
2K
Does constant magnetic field around a wire induce an electric field?
Dec 28, 2011
Replies
14
Views
9K
Magnetic bullet fired through a coil can fire another bullet?
Dec 27, 2011
Replies
2
Views
5K
Electron beam/atmosphere interaction
Dec 27, 2011
Replies
7
Views
4K
General question - how much current is in a simple spark?
Dec 27, 2011
Replies
2
Views
2K
What is the cause for diamagnetism and other types of magnetism?
Dec 26, 2011
Replies
4
Views
2K
Explaining Electric Spark in Microwave with Foil-Wrapped Hamburger
Dec 26, 2011
Replies
2
Views
2K
Is the Electric Field from an Infinite Plane of Charge Constant with Distance?
Dec 25, 2011
Replies
8
Views
11K
Electro-magnetic Radiation and Cresting Amplitude
Dec 24, 2011
Replies
1
Views
2K
Positive and neagtive charge carriers current
Dec 24, 2011
Replies
9
Views
4K
Magnetic flux through a closed surface
Dec 24, 2011
Replies
2
Views
3K
Conceptual Question: Light VS Electro-Magnetic Induction
Dec 23, 2011
Replies
14
Views
3K
Question about Flux through a closed surface
Dec 23, 2011
Replies
5
Views
8K
How to determine harmony frequency in sound?
Dec 23, 2011
Replies
14
Views
6K
Can a Magnetic Dipole Form a Circle?
Dec 22, 2011
Replies
9
Views
4K
Current Loops and Radiation: Exploring the Possibilities
Dec 22, 2011
Replies
16
Views
5K
Why does the magnetic moment of a nucleon line up with a uniform magnetic field?
Dec 21, 2011
Replies
1
Views
3K
Motion of wire in B field -vs- motion of electrons in helmholtz coils
Dec 21, 2011
Replies
4
Views
2K
How Electromagnetic Waves Pass Through Holes
Dec 21, 2011
Replies
32
Views
19K
Capacitor Charge Drain and Surge Impedance
Dec 21, 2011
Replies
2
Views
2K
Getting weird formula for Capacitance
Dec 20, 2011
Replies
5
Views
3K
Energy Loss From Permanent Magnets
Dec 20, 2011
Replies
4
Views
4K
Calculation of Angular Frequency
Dec 19, 2011
Replies
7
Views
5K
Current Density of Circular Current Loop (Jackson)
Dec 19, 2011
Replies
7
Views
15K
Exploring the Lorentz Force: Its Origin and Effects
Dec 19, 2011
Replies
4
Views
2K
Accelerating Current: Does Bending a Wire Produce EM Radiation?
Dec 19, 2011
Replies
4
Views
6K
How much energy is released from an electron-positron annihilation?
Dec 18, 2011
Replies
6
Views
15K
Energy in the Magnetic field of a moving point charge, simple question
Dec 18, 2011
Replies
6
Views
4K
Energy radiated by an electron
Dec 18, 2011
Replies
24
Views
5K
Why magnet cannot attract aluminium?
Dec 18, 2011
Replies
2
Views
16K
Can an electron have a mind of its own?
Dec 18, 2011
Replies
8
Views
3K
Voltage Difference and the Body: Why Hand-to-Hand Shocks Can Be Deadly
Dec 17, 2011
Replies
7
Views
2K
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