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Acoustic Levitation: Physics Law & Forces Explained
Jul 23, 2011
Replies
6
Views
4K
Effect of air resistance on angle yielding max displacement
Jul 22, 2011
Replies
2
Views
6K
What is charge? i know that it is of two types positive and
Jul 22, 2011
Replies
14
Views
3K
1 MV electrode limited by vacuum pair production?
Jul 22, 2011
Replies
7
Views
3K
Linking battery packs to change voltages? and how to charge?
Jul 22, 2011
Replies
7
Views
6K
Electromagnetic Attenuation Conceptual Question
Jul 22, 2011
Replies
3
Views
2K
Can Different Electromagnetic Frequencies Create Unique Magnetic Fields?
Jul 21, 2011
Replies
3
Views
12K
Can diff. EM frequencies create diff. magnetic fields with diff. properties ?
Jul 21, 2011
Replies
1
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3K
Energy In B field of infinite line current
Jul 21, 2011
Replies
5
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4K
Electrical circuits don't flow in a circle?
Jul 20, 2011
Replies
16
Views
4K
Where Does Unused Electricity Go?
Jul 20, 2011
Replies
5
Views
5K
What Can We Learn from a Pendulum in a Magnetic Field?
Jul 20, 2011
Replies
1
Views
3K
Hollow Spherical Magnet: Construction, Magnetic Field and Interactions Explained
Jul 19, 2011
Replies
14
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12K
Sound from random frequency pulsates through body
Jul 18, 2011
Replies
1
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3K
Understanding the Formula r=mv/Bq in Grade 12 Physics
Jul 18, 2011
Replies
5
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4K
Finding EMF - why we ignore the negative sign in Faraday's law
Jul 18, 2011
Replies
4
Views
11K
Magnetic field and its affect on velocity
Jul 18, 2011
Replies
1
Views
6K
Vanishing surface charge density on current-carrying wire?
Jul 18, 2011
Replies
1
Views
5K
Steel Top + Magnet: Does It Matter?
Jul 17, 2011
Replies
4
Views
2K
Can Rodin Coils Generate Unique Electromagnetic Fields?
Jul 17, 2011
Replies
1
Views
6K
Why do electromagnetic waves use complex numbers?
Jul 17, 2011
Replies
2
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3K
From wave equation to maxwell equation
Jul 17, 2011
Replies
6
Views
3K
When are Maxwell Equations Generally Used?
Jul 17, 2011
Replies
4
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3K
How we can check maxwell equations are covariant?
Jul 17, 2011
Replies
2
Views
2K
Is current flow not equal to electricity?
Jul 17, 2011
Replies
1
Views
2K
Ionisation Voltage for Passing Down 5mm sq Tube 10mm in Air
Jul 17, 2011
Replies
1
Views
3K
Rotating Magnetic Rings: Can Inner Ring Rotate?
Jul 16, 2011
Replies
3
Views
3K
Charge on Conductor: Why Reside on Surface?
Jul 16, 2011
Replies
2
Views
2K
Detecting sub-hertz electromagnetic radiation
Jul 15, 2011
Replies
8
Views
4K
Yes, Determine Current From Watts
Jul 15, 2011
Replies
3
Views
2K
Electrostatics: can a positive charge induce negative potential?
Jul 15, 2011
Replies
15
Views
4K
Maxwell's Demon Thought experiment
Jul 14, 2011
Replies
1
Views
2K
Explaining the Heisenberg Uncertainty Principle and Electron Orbits
Jul 14, 2011
2
Replies
52
Views
10K
Combining Magnetic fields together
Jul 14, 2011
Replies
2
Views
8K
Maxwell equation in optics book vs in physics book, why?
Jul 14, 2011
Replies
14
Views
7K
Can a Laser Accelerate Stationary Electrons in an Electron-Photon Accelerator?
Jul 13, 2011
Replies
2
Views
2K
How to create a magnetic field gradient
Jul 13, 2011
Replies
7
Views
11K
Electron Configuration - Notation Clarification
Jul 13, 2011
Replies
5
Views
2K
Rotating magnetic field theory
Jul 13, 2011
Replies
9
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7K
Momentum - self-dissipative vs resistance
Jul 12, 2011
Replies
22
Views
3K
Everything has ferromagnetic properties (?)
Jul 12, 2011
Replies
4
Views
2K
Instantaneous power at infinite distance from current element
Jul 12, 2011
Replies
2
Views
2K
Earth as a reference for electric potential
Jul 12, 2011
Replies
16
Views
11K
Magnetic field index of refraction
Jul 12, 2011
Replies
7
Views
9K
Electric potential and current around an insulator
Jul 12, 2011
Replies
2
Views
3K
Is it necessary for coherent waves to have same frequency?
Jul 11, 2011
Replies
1
Views
3K
Poynting proof for a dc current?
Jul 11, 2011
Replies
5
Views
3K
Power supplies, voltage and current
Jul 10, 2011
Replies
20
Views
5K
A question about Volume charge density and electrostatic equilibrium
Jul 10, 2011
Replies
2
Views
3K
About Electrostatic Forces on Parallel Plate Capacitor
Jul 10, 2011
Replies
4
Views
5K
What causes an increase in energy in an electrical system?
Jul 9, 2011
Replies
45
Views
10K
Question with simple current and charge of an electric dipole.
Jul 9, 2011
Replies
11
Views
3K
What are electromagnetic waves made of?
Jul 9, 2011
Replies
18
Views
26K
Does the pointing vector theory hold true for DC current?
Jul 9, 2011
2
Replies
65
Views
10K
Understanding electromagnetic water flow meters
Jul 8, 2011
Replies
6
Views
5K
How do electrons start to travel though a wire?
Jul 8, 2011
Replies
44
Views
9K
What Happens at the Micro Level During Electrical Conduction Through a Medium?
Jul 8, 2011
Replies
10
Views
5K
What Is a Faraday Cage and How Does It Protect Against Lightning?
Jul 8, 2011
Replies
9
Views
4K
Force of neodymium magnet inside a electromagnetic coil
Jul 8, 2011
Replies
1
Views
3K
What is a Point Charge and How Does it Work?
Jul 7, 2011
Replies
3
Views
11K
Can the Planck Function Determine Single Photon Emitted Flux?
Jul 7, 2011
Replies
1
Views
3K
Does Medium Polarization Decrease Electric Field Intensity?
Jul 7, 2011
Replies
1
Views
3K
Is it watt per second or watt per hour
Jul 7, 2011
Replies
5
Views
22K
How many Ampere in a superconducting spire?
Jul 7, 2011
Replies
11
Views
2K
What determines the energy level of an electron in an atom?
Jul 6, 2011
Replies
1
Views
3K
B field of a wire carrying AC current
Jul 6, 2011
Replies
2
Views
6K
Electromagnetic Radiation Spectrum Poster
Jul 6, 2011
Replies
1
Views
9K
Einstein's Photoelectric effect expirement
Jul 5, 2011
Replies
2
Views
2K
Possible title: Surface Error in Faraday's Law Lecture?
Jul 4, 2011
Replies
3
Views
2K
Is it the Resistance or Capacitance of Earth that Causes Electric Shock?
Jul 4, 2011
Replies
10
Views
4K
What is the energy density and total energy of an electric field?
Jul 4, 2011
Replies
1
Views
1K
Alternate current and complex description
Jul 3, 2011
Replies
13
Views
3K
Electric field near the surface of a conductor
Jul 3, 2011
Replies
4
Views
27K
RHR for Magnetic fields, why is it design in such a way?
Jul 3, 2011
Replies
2
Views
3K
Electrostatic increase of particle mass
Jul 2, 2011
Replies
45
Views
8K
Limitations of Using E to Find B in TEM Waves
Jul 2, 2011
Replies
1
Views
2K
What Happens when a Bar Magnet Approaches a Conducting Loop?
Jul 2, 2011
Replies
2
Views
2K
Can I Make a 5-Lambda EM Wave?
Jul 2, 2011
Replies
6
Views
2K
Is it possible that the two bodies having same charge attract each other ?
Jul 2, 2011
2
Replies
57
Views
14K
Effect of Hall effect on resistance
Jul 1, 2011
Replies
1
Views
3K
Question on EM wave in space and matters.
Jul 1, 2011
Replies
6
Views
2K
EM wave right above and right below the conducting surface.
Jun 30, 2011
Replies
1
Views
2K
Stainless steel electrodes act as battery?
Jun 30, 2011
Replies
2
Views
3K
Permanent effects on electron spin by magnetic materials?
Jun 30, 2011
Replies
3
Views
4K
Difference between electric field intensity of plane and conducting sheet
Jun 30, 2011
Replies
5
Views
4K
Interaction Between Magnetic and Electric Field Lines
Jun 30, 2011
Replies
10
Views
15K
How Does an Electrical Company Measure Energy Consumption?
Jun 29, 2011
Replies
3
Views
2K
Voltage & Capacitors: How Does It Create Charge?
Jun 29, 2011
Replies
4
Views
2K
Mystery of Capacitance Increase with Dielectric Insertion
Jun 29, 2011
Replies
2
Views
2K
Energy stored in a Capacitor derivation
Jun 29, 2011
Replies
2
Views
8K
Why do capacitors charge exponentially?
Jun 29, 2011
Replies
2
Views
2K
Help With Circuits Regarding Ohms
Jun 28, 2011
Replies
2
Views
2K
How does distance affect potential in an electric field?
Jun 28, 2011
Replies
4
Views
3K
Calculating Flux in a Coil with Current
Jun 28, 2011
Replies
11
Views
4K
Would this wheel spin from magnetic force?
Jun 28, 2011
Replies
2
Views
3K
Free unlimited electricity in space?
Jun 28, 2011
Replies
8
Views
4K
Does Steel Remain Magnetic Above its Melting Point?
Jun 27, 2011
Replies
3
Views
4K
How does conservation of charge work?
Jun 27, 2011
Replies
8
Views
4K
Why doesn't capacitance decrease with increase in temperature?
Jun 27, 2011
Replies
5
Views
24K
How does charge pass through a capacitor in a radio tuner
Jun 26, 2011
Replies
1
Views
2K
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