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Electromagnetic waves and charge sources
May 3, 2011
Replies
3
Views
2K
Disrupting 20 lbs magnetic pull
May 2, 2011
Replies
19
Views
4K
Electron flow over a conducting surface of variable resistivity
May 2, 2011
Replies
3
Views
3K
Evaporation rate & electric field
May 2, 2011
Replies
2
Views
2K
What is constant velocity? This is in a question of moving charge.
May 1, 2011
Replies
3
Views
6K
Magnet with single pole creation
May 1, 2011
Replies
2
Views
4K
I need some help on how to calculate electric field vectors at a point called P
Apr 30, 2011
Replies
2
Views
4K
Mass, charge etc. at a single point
Apr 30, 2011
Replies
2
Views
2K
Details on electromagnetic waves?
Apr 30, 2011
Replies
7
Views
3K
Why does current produce magnetic field (in a deeper sense)
Apr 30, 2011
Replies
7
Views
5K
Thermal Analogue: Temperature and Heat Capacity or Opposite?
Apr 30, 2011
Replies
4
Views
2K
Accelerating Charges: Electron on Earth & Light Emission
Apr 29, 2011
Replies
1
Views
2K
Electron radiate when curving past massive body?
Apr 29, 2011
Replies
1
Views
2K
Electric field of a dipole, two different equations?
Apr 29, 2011
Replies
1
Views
3K
Deriving Electric Field of a Dipole in Cylindrical Polars: Can You Help?
Apr 29, 2011
Replies
2
Views
2K
Spherical EM wave or one or more photons?
Apr 28, 2011
Replies
13
Views
3K
High voltage power transmission and joule's law
Apr 28, 2011
Replies
2
Views
4K
Magnetic field effect on resonance
Apr 28, 2011
Replies
1
Views
2K
Does electricity have momentum?
Apr 28, 2011
Replies
4
Views
6K
Charge & Reflection: Explaining What It Means
Apr 28, 2011
Replies
4
Views
2K
Acoustics - Critical Bandwidths ?
Apr 27, 2011
Replies
1
Views
2K
Magnetic force on ferromagnetic body
Apr 27, 2011
Replies
3
Views
5K
Photoelectric Effect: Max Speed Dependency & Graphical Representation
Apr 27, 2011
Replies
23
Views
5K
Say you have a magnet, one end of the magnet has a positive charge and
Apr 27, 2011
Replies
14
Views
2K
I always hear the term with electrolytes
Apr 26, 2011
Replies
4
Views
2K
Proof of Maxwell's Equation Wave Behavior | Maxell Eqn Help
Apr 26, 2011
Replies
4
Views
2K
Conceptual understanding of generating electricity
Apr 25, 2011
Replies
26
Views
6K
Spatial Wavelength of a Halbach array (Magnetism)
Apr 25, 2011
Replies
1
Views
4K
Electromagnetic radiation prevalence
Apr 24, 2011
Replies
3
Views
2K
Understanding EM Wave Equations
Apr 24, 2011
Replies
19
Views
4K
Question about the concept of electricity in solar cells.
Apr 23, 2011
Replies
5
Views
2K
Why Are There 8 Maxwell Equations for 6 Field Variables?
Apr 23, 2011
Replies
12
Views
4K
Electric Field Direction in Simple Battery Circuit
Apr 23, 2011
Replies
14
Views
3K
Creating a Magnetic Field Like Pic-2: Possible?
Apr 23, 2011
Replies
6
Views
3K
Elctromagnetic induction by a solenoid moving with the speed of light?
Apr 23, 2011
Replies
8
Views
7K
Polarization and magnetic field
Apr 23, 2011
Replies
2
Views
9K
Defining the electric current.
Apr 22, 2011
Replies
2
Views
2K
Can a particle revolve around a magnet
Apr 22, 2011
Replies
9
Views
3K
Can we have electrostatic levitation using capacitor type plates?
Apr 22, 2011
Replies
12
Views
7K
Moving charge creates a magnetic field
Apr 22, 2011
Replies
2
Views
3K
How can you achieve different voltages in an electric circuit?
Apr 22, 2011
Replies
48
Views
9K
Accelerating Charged Particle: Does it Fall Slower?
Apr 21, 2011
Replies
16
Views
3K
What is the effect of time-varying current on Gauss law in electrodynamics?
Apr 21, 2011
Replies
8
Views
3K
What Does q(t) Represent in Electromagnetic Waves?
Apr 21, 2011
Replies
2
Views
2K
Restrahlen Effect and Plasma Frequency
Apr 21, 2011
Replies
1
Views
3K
Electricity's lessons for starters
Apr 21, 2011
Replies
3
Views
3K
Question about retarded scalar potential and Coulomb Gauge.
Apr 21, 2011
Replies
11
Views
7K
Does a Falling Wire Near a Magnet Experience a Magnetic Force?
Apr 20, 2011
Replies
8
Views
3K
How Do You Calculate the Electric Field from a Powerline?
Apr 19, 2011
Replies
3
Views
5K
Physics behind Gaussian Accelerator/ Magnetic Linear Accelerator
Apr 19, 2011
Replies
10
Views
47K
Why is the frequency constant when waves pass through an interface?
Apr 19, 2011
Replies
9
Views
4K
What is the role of surface currents in Ampere's Law with H fields?
Apr 18, 2011
Replies
3
Views
2K
Doppler Effect of light ; and electric , magnetic fields
Apr 18, 2011
Replies
4
Views
8K
Ball and air resistance (curiously difficult)
Apr 18, 2011
Replies
1
Views
2K
Voltage Drop in Electric Circuits
Apr 18, 2011
Replies
4
Views
4K
Interference by electric field
Apr 18, 2011
Replies
13
Views
5K
Calculating Magnetic Force on a Steel Object in a Solenoid
Apr 18, 2011
Replies
2
Views
2K
Where Does the Energy Come From When a Magnet Moves Over a Paperclip?
Apr 17, 2011
Replies
12
Views
4K
What are the derivations, uses, and limitations of the extended Coulomb's Law?
Apr 17, 2011
Replies
4
Views
2K
If in a capacitor ,the dielectric medium is replace by higher
Apr 17, 2011
Replies
1
Views
1K
Is it the correct representation of Electromagnetic waves?
Apr 16, 2011
Replies
5
Views
3K
Nikola Tesla's Observation of Vacuum Electricity
Apr 16, 2011
Replies
15
Views
4K
Sign Conventions for Paths and Surfaces for Electromagnetic Calculations
Apr 15, 2011
Replies
1
Views
2K
How do I turn a DC current on and off very quickly?
Apr 14, 2011
Replies
15
Views
4K
Magnet Side Force: Explaining the Physics
Apr 14, 2011
Replies
1
Views
2K
Understanding Flux Meters and Field Strength Measurement
Apr 14, 2011
Replies
3
Views
4K
How Does Potential Difference Cause Electron Movement in Electric Circuits?
Apr 14, 2011
Replies
5
Views
6K
EM waves, Light, radio and all that.
Apr 14, 2011
Replies
1
Views
2K
What metals can create a low frequency resonance for Harley exhaust pipes?
Apr 13, 2011
Replies
6
Views
6K
Questions About Magnetism Interfering With Electrical Circuits
Apr 13, 2011
Replies
10
Views
5K
Oscillating Charge: How Does it Create Electromagnetic Radiation?
Apr 13, 2011
Replies
2
Views
6K
Is there a way to shield a magnets field
Apr 12, 2011
Replies
20
Views
28K
Gauss's Law and Electric Dipole
Apr 12, 2011
Replies
6
Views
4K
How do batteries maintain charge
Apr 12, 2011
Replies
1
Views
2K
How to convert photodiode voltage to any photonic unit
Apr 11, 2011
Replies
3
Views
7K
Can Magnets Be Reoriented to Confine Their Field?
Apr 11, 2011
Replies
1
Views
4K
EM Wave - Where Does the Energy Go?
Apr 11, 2011
Replies
3
Views
2K
Can I Change Frequency to Increase Ejected Photoelectrons?
Apr 11, 2011
Replies
5
Views
2K
Error in Form of Maxwell's Equations?
Apr 11, 2011
Replies
17
Views
7K
Is the strong/weak force infinite like electromagnetism
Apr 11, 2011
Replies
1
Views
2K
Where does power meter sense current?
Apr 11, 2011
Replies
4
Views
2K
Magnetic force of two parallel wires is inverse proportional to distance?
Apr 11, 2011
Replies
3
Views
3K
Is magnetic field a frame dependent quantity?
Apr 11, 2011
Replies
4
Views
4K
Lorentz contrast/EM wave question.
Apr 11, 2011
Replies
5
Views
2K
How does an electron in orbit not accelerate towards a proton in an atom?
Apr 11, 2011
Replies
3
Views
6K
Understanding Drift and Diffusion Currents in PN Junctions
Apr 10, 2011
Replies
12
Views
10K
Acceleration of magnetic fluids
Apr 10, 2011
Replies
2
Views
2K
Magnetic Acceleration: Calculate Force & Distance
Apr 10, 2011
Replies
3
Views
5K
Black holes and conservation of charge
Apr 10, 2011
Replies
2
Views
3K
EM waves and conducting surfaces
Apr 9, 2011
Replies
1
Views
2K
Molten iron can not be magnetized
Apr 9, 2011
Replies
23
Views
10K
Can Magnetic Fields Induce Currents and Heat in Metal?
Apr 9, 2011
Replies
3
Views
2K
Simple KVL (kirchhoff's voltage law) problem
Apr 9, 2011
Replies
4
Views
5K
Magnetism: Attraction vs Repulsion Weighing
Apr 9, 2011
Replies
1
Views
2K
Principle of Superposition for Electric field
Apr 9, 2011
Replies
2
Views
8K
What are electric fields in EMR are and why do they exist?
Apr 7, 2011
Replies
4
Views
3K
Why are EM waves blocked by non-conductors?
Apr 7, 2011
Replies
1
Views
2K
Nitinol Current Help | Seeking Advice
Apr 7, 2011
Replies
4
Views
7K
Discussion of Faradays and Lenz law.
Apr 7, 2011
Replies
2
Views
3K
How Does Current Flow in a Pure Inductor Connected to an AC Voltage Source?
Apr 7, 2011
Replies
13
Views
3K
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