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Why a bar magnet or EM coil does not effect EM fields?
Jul 12, 2012
Replies
3
Views
5K
Free electrons at zero kelvin?
Jul 12, 2012
Replies
3
Views
3K
What is the relationship between magnetic force and electric force?
Jul 12, 2012
Replies
8
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3K
Application of Coulomb's law to positron velocities
Jul 12, 2012
Replies
10
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3K
Calculating the Volume of an Electron
Jul 12, 2012
Replies
44
Views
37K
How is momentum transfered between magnets?
Jul 12, 2012
Replies
2
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2K
Magnetic Field Force: Proportional to Angle and Current?
Jul 12, 2012
Replies
8
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3K
Quick electromagnet coil question
Jul 11, 2012
Replies
2
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2K
What happens after an electron is excited by a photon?
Jul 11, 2012
Replies
6
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7K
Kirchhoff Voltage Law Explanation: Derivation/Proof
Jul 11, 2012
Replies
15
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8K
Problem: flux through prism faces
Jul 11, 2012
Replies
2
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4K
Inductance between a polyurethane surface
Jul 10, 2012
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3
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1K
How does electricity travel so quickly?
Jul 10, 2012
Replies
1
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1K
Accleration of charged particle
Jul 10, 2012
Replies
10
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3K
How does a capacitor get charged?
Jul 9, 2012
Replies
5
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7K
Role of Resistance in Infrared Detectors
Jul 9, 2012
Replies
4
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1K
Time-domain to frequency domain
Jul 9, 2012
Replies
4
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2K
What Happens to the Magnetic Field Outside of a Motor Coil?
Jul 8, 2012
Replies
3
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3K
Current density of discrete charges in 1D space
Jul 8, 2012
Replies
1
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2K
What's wrong with Weber's electrodynamics?
Jul 7, 2012
Replies
2
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4K
Electron Deposition and Object Deflection
Jul 7, 2012
Replies
9
Views
2K
A doubt about inductors and capacitors
Jul 7, 2012
Replies
23
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8K
Why is current constant in a series connection? AND fluid flow in pipe
Jul 7, 2012
Replies
9
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3K
Question on positive negative magnetic fields
Jul 6, 2012
Replies
3
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4K
Electromagnetic Waves: Why Accelerating Charges?
Jul 6, 2012
Replies
37
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7K
What is the relationship between light and electromagnetism?
Jul 5, 2012
Replies
2
Views
2K
Would it be possible to detect change in charge?
Jul 5, 2012
Replies
6
Views
2K
Classical Explanation of Photoelectric Effect
Jul 5, 2012
Replies
2
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2K
Energy lost by charge due to acceleration.
Jul 5, 2012
Replies
1
Views
2K
Capacitor dielectric question?
Jul 4, 2012
Replies
3
Views
2K
Force between two permanent magnets at an angle
Jul 4, 2012
Replies
2
Views
5K
Is There a Connection Between Photons, Electricity, and Magnetism?
Jul 4, 2012
Replies
10
Views
4K
Does a magnetic field created by a moving charge act upon the charge itself?
Jul 4, 2012
Replies
2
Views
4K
What makes electron flow in an electrochemical cell
Jul 4, 2012
Replies
5
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4K
How does Electric Reactive Armour work?
Jul 4, 2012
Replies
3
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8K
How to proof that the electric fielf inside a conducting shell is zero
Jul 4, 2012
Replies
1
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2K
Modern physics basis for magnetic properties of matter
Jul 4, 2012
Replies
1
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2K
Rated Wattage vs actual wattage
Jul 4, 2012
Replies
7
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4K
Magnetic Field To Compress A Spring
Jul 4, 2012
Replies
7
Views
8K
What flows in magnetic circiut?
Jul 4, 2012
Replies
11
Views
2K
Experimental results for current/power surge in a lightbulb
Jul 4, 2012
Replies
7
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3K
How to calculate the magnetic field and pull force generated by current?
Jul 4, 2012
Replies
2
Views
4K
Maxwell-boltzmann distribution
Jul 4, 2012
Replies
4
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3K
Priniciple of Minimum Energy vs. Maxwell equations
Jul 3, 2012
Replies
1
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2K
Electromagnetic induction near a generator
Jul 3, 2012
Replies
3
Views
1K
Maximum distance of charge from current carrying wire
Jul 3, 2012
Replies
1
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2K
Visible rays under Magnetic field of the earth
Jul 3, 2012
Replies
10
Views
2K
Tantalum vs Ceramic Capacitors
Jul 3, 2012
Replies
5
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28K
Forces of Magnets Attraction>Repulsion?
Jul 3, 2012
Replies
16
Views
11K
How Frequency Division Multiplexing works
Jul 2, 2012
Replies
3
Views
5K
Electric circuit - Why is the switch needed in this capacitor circuit?
Jul 2, 2012
Replies
1
Views
2K
How Does a Magnetron Heat Your Food in a Microwave Oven?
Jul 1, 2012
Replies
2
Views
2K
Question about potential difference in circuit with resistance
Jun 30, 2012
Replies
8
Views
3K
How to protect data from radiation and strong magnetic field?
Jun 30, 2012
Replies
1
Views
2K
Electromagnetic Energy: Learn the Basics
Jun 30, 2012
Replies
5
Views
2K
How Efficient is Piezoelectric Quartz When Struck with a Hammer?
Jun 29, 2012
Replies
2
Views
3K
Field at the center of a toroidal permanent magnet
Jun 29, 2012
Replies
1
Views
3K
Magnetic Pull/Repelling force of magnets?
Jun 29, 2012
Replies
5
Views
19K
Interatomic coulombic potential
Jun 28, 2012
Replies
4
Views
3K
Green's function representation of electric potential
Jun 28, 2012
Replies
5
Views
2K
Energy cost during neodymium magnet production?
Jun 28, 2012
Replies
3
Views
6K
Coil Design for Uniform Magnetic Field?
Jun 27, 2012
Replies
1
Views
2K
Capacitors in Cars: What Parts & Types?
Jun 27, 2012
Replies
5
Views
3K
If a conductor gets an induced charge is then grounded
Jun 27, 2012
Replies
2
Views
3K
Question about magnets repulsion
Jun 27, 2012
Replies
1
Views
1K
What Are Positive and Negative Charges in Electrical Current Flow?
Jun 27, 2012
Replies
2
Views
2K
Building an Electron Pump - NPL Physics Academy
Jun 27, 2012
Replies
3
Views
2K
Electric potential at certain point from charged sphere
Jun 26, 2012
Replies
1
Views
2K
Generating Electromagnetic Waves
Jun 26, 2012
Replies
2
Views
2K
Can an Electro-Permanent Magnet Work as a Temporary Lifting Device?
Jun 26, 2012
Replies
1
Views
2K
Strength of magnets in an array
Jun 26, 2012
Replies
1
Views
2K
What are the main applications of aluminum capacitors?
Jun 26, 2012
Replies
16
Views
3K
How Can Terrawatt Years Enable Oxygen Production on Mars?
Jun 26, 2012
Replies
7
Views
3K
Drift velocity and charging a capacitor.
Jun 25, 2012
Replies
3
Views
2K
What is the Origin of the Electric Field in F-N-L's Law?
Jun 25, 2012
Replies
3
Views
2K
Whats the acceleration of an electron in lightning?
Jun 24, 2012
Replies
1
Views
3K
What is voltage and why is it important in understanding electricity?
Jun 24, 2012
Replies
27
Views
10K
Inverse/Anti - Divergence? Maxwells Eqns.
Jun 23, 2012
Replies
7
Views
11K
Divergence questions from Griffith's Electrodynamics
Jun 23, 2012
Replies
11
Views
5K
Can Magnets Really Produce Endless Energy?
Jun 23, 2012
Replies
2
Views
2K
Ceramic Magnets and their durability in temperature fluctuations
Jun 22, 2012
Replies
3
Views
2K
Good conductor of electricty => Good conductor of heat?
Jun 22, 2012
Replies
5
Views
8K
How to modal a voltage gradient from a single cylinder
Jun 22, 2012
Replies
1
Views
2K
Is it safe to use electronics on a maglev train or a magnetically levitated bed?
Jun 22, 2012
Replies
1
Views
2K
Momentum Stored inside an Electromagnetic Field
Jun 22, 2012
Replies
4
Views
3K
Gauss's law and Moving Charges
Jun 21, 2012
Replies
5
Views
6K
Can someone explain electromagnetism?
Jun 20, 2012
Replies
4
Views
2K
Coriolis force could generate currents?
Jun 20, 2012
Replies
1
Views
1K
Magnetic field lines direction.
Jun 19, 2012
Replies
12
Views
6K
If Cars Had Magnets: What Would Happen?
Jun 19, 2012
Replies
8
Views
2K
Electromagnetic Waves' Magnetic Component
Jun 18, 2012
Replies
2
Views
4K
Understanding Capacitor Discharge in Ideal and Real Circuits
Jun 18, 2012
Replies
3
Views
3K
Voltage spawning a cathode ray
Jun 18, 2012
Replies
2
Views
2K
Why do we use alloys for electric heaters?
Jun 18, 2012
Replies
16
Views
11K
How is the mass of an electron/proton measured?
Jun 18, 2012
Replies
13
Views
5K
Why is the electric field strong in sharp points?
Jun 18, 2012
Replies
1
Views
3K
Electric potential of a conducting rod in a homogen. electric field
Jun 18, 2012
Replies
5
Views
4K
What is Gauss' Law for Dielectrics and How Does it Account for Polarization?
Jun 18, 2012
Replies
5
Views
6K
Point Charges Composing A Sphere
Jun 17, 2012
Replies
3
Views
2K
Solving Linear Dielectric Eqns for E & P
Jun 17, 2012
Replies
1
Views
4K
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