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A Problem with Two Current-Carrying Wires
May 19, 2013
Replies
4
Views
1K
Magnetic Shielding of Detectors
May 18, 2013
Replies
4
Views
2K
Magnetic moment in a uniform/non-uniform magnetic field?
May 18, 2013
Replies
4
Views
2K
Potential drop when current flows through a resistor
May 18, 2013
Replies
1
Views
2K
Question about photoelectric effect equation
May 17, 2013
Replies
6
Views
2K
Calculating the force required to generate 100 kilowatt per hour
May 17, 2013
2
Replies
42
Views
18K
Does a magnet affect antenna transmission?
May 17, 2013
Replies
4
Views
5K
Vector B in Magnetic Potential Energy
May 16, 2013
Replies
2
Views
1K
Intuitive reason for the capacitors/inductors in AC current
May 16, 2013
Replies
2
Views
2K
Intersection of electric field lines.
May 16, 2013
Replies
2
Views
1K
Charging capacitor by another capacitor
May 16, 2013
Replies
4
Views
2K
Does intensity of photons affect threshold frequency?
May 16, 2013
Replies
2
Views
2K
Inductor opposing change in current.
May 16, 2013
Replies
28
Views
8K
Current through a conductor of zero resistance
May 15, 2013
Replies
12
Views
3K
Calculating Specific Charge: U-238 Example
May 15, 2013
Replies
2
Views
2K
Calculating Induced Voltage in a Single-Turn Circular Coil: How Can It Be Done?
May 15, 2013
Replies
1
Views
2K
Quanta of elektric/magnetic fields
May 15, 2013
Replies
1
Views
709
Why is the index of refraction dependent on the dielectric constant
May 14, 2013
Replies
7
Views
2K
What Happens to Current in an Ideal Circuit with Zero Resistance?
May 14, 2013
Replies
4
Views
1K
Capacitance of a capacitor in which the first plate is (-)vely charged
May 14, 2013
Replies
1
Views
2K
Finding strength, pull, telsa (anything) of an electromagnet
May 13, 2013
Replies
4
Views
2K
Create visible light with spinning magnet?
May 13, 2013
Replies
2
Views
2K
Physical Quantity Analogous to Inductance
May 12, 2013
Replies
4
Views
3K
How to uniformly charge an insulating sphere?
May 12, 2013
Replies
9
Views
3K
Field generated by a moving charge
May 12, 2013
Replies
2
Views
1K
Magnetic Force and Work: Is There More to the Story?
May 12, 2013
Replies
5
Views
3K
Are the poles of a broken magnet always the same?
May 12, 2013
Replies
6
Views
6K
How Can I Learn About Permanent Magnet Field Strengths and Interactions?
May 11, 2013
Replies
2
Views
1K
Understanding Electric Polarization in Dielectric Capacitors
May 11, 2013
Replies
1
Views
1K
Electron changing energy state
May 11, 2013
Replies
4
Views
2K
What's different on electron level when voltage is higher?
May 11, 2013
Replies
8
Views
8K
Electric Potential in circuits
May 10, 2013
Replies
16
Views
5K
Is There a Connection Between Electromagnetism and Gravity?
May 10, 2013
Replies
11
Views
3K
When two objects Attract/Repel(Charges/magnets/electromagnets/etc )
May 10, 2013
2
Replies
59
Views
9K
Why is the magnetic field inside an ideal solenoid uniform
May 10, 2013
Replies
4
Views
6K
Does the Motion of Electrons in a Wire or Charged Metal Sphere Produce EM Waves?
May 9, 2013
Replies
17
Views
2K
Can AC Currents Be Added in a DC Circuit?
May 9, 2013
Replies
1
Views
1K
Unraveling Faraday's Law: Formal Proof & Understanding the Transformation | Wiki
May 9, 2013
Replies
1
Views
8K
Squareness of the magnetic properties
May 9, 2013
Replies
1
Views
2K
What shape should my iron core be for a strong electromagnet?
May 9, 2013
Replies
12
Views
3K
EM waves and the direction of E-fields & B-Fields
May 8, 2013
Replies
12
Views
2K
Electrostatics in RC\DC Circuits-feedback process
May 8, 2013
Replies
2
Views
1K
Confused about the electric field at the surface of a conductor
May 8, 2013
Replies
4
Views
2K
I don't understand Electric Potential in battery
May 8, 2013
Replies
7
Views
3K
Intuitive, real-world explanation of displacement current?
May 7, 2013
Replies
6
Views
5K
Electromagnetic systems always dissapative?
May 7, 2013
Replies
7
Views
1K
Direction of Electron Flow with Real Batteries
May 7, 2013
Replies
16
Views
7K
Cherenkov radiation Why the EM waves are constructive
May 7, 2013
Replies
2
Views
1K
Resistance in circuits with transformers
May 7, 2013
Replies
1
Views
2K
Create photographic camera sensor interference with magnetic fields
May 7, 2013
Replies
12
Views
5K
Electric potential energy due to a point charge
May 6, 2013
Replies
20
Views
14K
Can photon capture give electron and positron opposite charge
May 6, 2013
Replies
7
Views
2K
Basic questions about electric charge
May 6, 2013
Replies
8
Views
2K
Interaction of electromagnetic waves with a plane mirror
May 5, 2013
Replies
1
Views
2K
Why Do Photons from Electrons Split into Particles?
May 5, 2013
Replies
8
Views
2K
Is there a certain limit of force to a magnetic field?
May 5, 2013
Replies
16
Views
6K
Angular momentum in ElectroMagnetic fields(Feynman's Disk Paradox)
May 4, 2013
Replies
1
Views
3K
Why does current decay in an RL circuit?
May 4, 2013
Replies
4
Views
4K
Falling Objects and Air Resistance
May 4, 2013
Replies
4
Views
2K
Why does Electromagnetic Radiation move?
May 4, 2013
Replies
11
Views
2K
Capacitor having equal charges on plates connected to a battery
May 4, 2013
Replies
7
Views
3K
Length of a conductor vs. Resistance
May 3, 2013
Replies
4
Views
2K
Qualitative understanding of electrical quadrapole moment
May 3, 2013
Replies
4
Views
3K
Electromagnetism coupled with continuum mechanics
May 2, 2013
Replies
4
Views
1K
Does the Curl Relationship Exist in Both Directions for Vector Fields?
May 2, 2013
Replies
4
Views
2K
How Does Ampere's Law Apply to Complex Magnetic Field Configurations?
May 2, 2013
Replies
7
Views
4K
Propagation of electromagnetic waves
May 1, 2013
Replies
22
Views
4K
Can two objects having same sign charges attract each other
May 1, 2013
Replies
7
Views
16K
How does a faraday cage shields against internal e-fields?
May 1, 2013
Replies
15
Views
5K
Understanding the Fundamentals of Eddy Currents: Explained Simply
Apr 30, 2013
Replies
5
Views
2K
Einstein summation notation for magnetic dipole field
Apr 30, 2013
Replies
7
Views
2K
Magnetic field and skin effect
Apr 30, 2013
Replies
2
Views
2K
Problem with use of 'velocity' of charged particle in lorentz force eq
Apr 30, 2013
Replies
2
Views
1K
Test charge in electric and magnetic field
Apr 30, 2013
Replies
2
Views
2K
Calculating Magnet Field for Solenoid and Horseshoe Magnet: What Am I Missing?
Apr 30, 2013
Replies
7
Views
1K
∇E = 0 in an Ohmic, 2d Hall conductor with constant B?
Apr 30, 2013
Replies
1
Views
1K
Zero speed due to air resistance
Apr 30, 2013
Replies
4
Views
2K
What do the gradient magnets do on MRI scanners?
Apr 29, 2013
Replies
2
Views
2K
Why do different gauss meters measure magnetic field strength differently
Apr 29, 2013
Replies
8
Views
6K
Ampere's Law physical significance
Apr 29, 2013
Replies
15
Views
6K
What gives the electron the energy to continuosly orbit
Apr 28, 2013
Replies
7
Views
2K
Applying the conservation of energy law to electrical circuits.
Apr 28, 2013
Replies
6
Views
12K
Quetion about direction of magnetic field lines
Apr 28, 2013
Replies
6
Views
2K
Is the Electric Field Inside an Irregular Shaped Conductor Always Zero?
Apr 28, 2013
Replies
4
Views
2K
Do Electrons Orbit Nuclei at the Same Distance?
Apr 28, 2013
Replies
5
Views
2K
Can Electric Fields be Discontinuous? - Conservation of Charge
Apr 28, 2013
Replies
6
Views
2K
Electron Diffraction: Polycrystalline vs Monocrystal
Apr 27, 2013
Replies
5
Views
1K
Why is there a contradiction in the signs for electrical potential equations?
Apr 27, 2013
Replies
1
Views
2K
Optimizing DC Current Through Neodymium Magnets for Efficient Power Transfer
Apr 27, 2013
Replies
5
Views
4K
Finding Magnetic Field for Infinite Sheet Concept
Apr 27, 2013
Replies
1
Views
2K
Where does an electron's kinetic energy go?
Apr 27, 2013
Replies
4
Views
2K
Determining resistance of oscilloscope.
Apr 27, 2013
Replies
16
Views
10K
What is the acoustic power output of a blue whale in Watts?
Apr 26, 2013
Replies
8
Views
8K
Could capacitors ever rival best batteries?
Apr 26, 2013
Replies
14
Views
3K
How can I optimize my electro magnet?
Apr 26, 2013
Replies
4
Views
2K
How come potential energy is negative when charges attract
Apr 26, 2013
Replies
1
Views
4K
Can Adding an Electron Change the Properties of a Hydrogen Atom?
Apr 25, 2013
Replies
1
Views
2K
Acoustic communication impossible in even-D
Apr 25, 2013
Replies
9
Views
2K
Calculate Current for 5V Sinusoidal Input Voltage
Apr 25, 2013
Replies
27
Views
3K
How Do Magnets Generate Forces?
Apr 25, 2013
Replies
2
Views
1K
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