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Couple of Questions Regarding EM Waves
Apr 21, 2013
Replies
1
Views
1K
Faraday's law. Induced electric field.
Apr 20, 2013
Replies
2
Views
2K
Voltage measured across a capacitor with embedded charges
Apr 20, 2013
Replies
8
Views
2K
Electric circuits/voltage/resistor
Apr 20, 2013
Replies
1
Views
2K
Understanding Current: Definition and Comparison to Math-Defined Current
Apr 20, 2013
Replies
4
Views
2K
Is Maxwell's third law the proof of conservation of energy in E&M?
Apr 19, 2013
Replies
2
Views
3K
Solving Low Resistance Problem to Generate Magnetic Field
Apr 19, 2013
Replies
9
Views
3K
Magnetic field = 0 inside a conducting wire?
Apr 19, 2013
Replies
1
Views
2K
Voltage Vector/Scalar Components, SI Units, Direction and Polarity.
Apr 19, 2013
Replies
1
Views
5K
How to calculate power output in piezoelectric material?
Apr 19, 2013
Replies
2
Views
7K
Direction of magnetic field inside infinite slab
Apr 19, 2013
Replies
1
Views
3K
Is E in Maxwell-Equations really E ?
Apr 18, 2013
Replies
11
Views
3K
Relationship between force and Velocity in Magnetic Fields
Apr 18, 2013
Replies
10
Views
6K
Is the Earth's Magnetic Field strong and does it fluctuate a lot
Apr 17, 2013
Replies
2
Views
2K
Recovering WWII magnetic amplifier technology
Apr 17, 2013
Replies
8
Views
4K
Faraday's law and gauss's law for magnetism apparent contradiction
Apr 17, 2013
Replies
3
Views
5K
Why don't fluorescent bulbs blow up when electricity is connected?
Apr 17, 2013
Replies
15
Views
4K
Do magnetic fields have any effect on dielectric breakdown
Apr 17, 2013
Replies
1
Views
2K
How Do You Determine Magnetic Force Direction When Fields Aren't Perpendicular?
Apr 17, 2013
Replies
2
Views
2K
Electric field and gauss law for different models of sphere
Apr 17, 2013
Replies
3
Views
2K
2 solenoids: emf and frequency
Apr 16, 2013
Replies
1
Views
1K
What Magnetic field is generated
Apr 16, 2013
Replies
8
Views
2K
Electric field due to infinite sheet
Apr 16, 2013
Replies
3
Views
8K
Why is there current induced on Faraday's disk?
Apr 16, 2013
Replies
2
Views
2K
Conversion of Voltage into Radiation counts
Apr 16, 2013
Replies
12
Views
2K
Calculating the Field strength of a magnet at a certain distance
Apr 16, 2013
Replies
1
Views
4K
Altitude where Earth's magnetic field will no longer affect a compass
Apr 15, 2013
Replies
9
Views
11K
One misconception about magnets
Apr 15, 2013
Replies
1
Views
2K
Could a magnetic charge make free energy?
Apr 15, 2013
Replies
3
Views
1K
Idea of efficient electricity generating system model?
Apr 14, 2013
Replies
1
Views
2K
Attraction between a charge and a magnet
Apr 14, 2013
Replies
10
Views
9K
How exactly do generators work (Please explain the Faraday's law)
Apr 14, 2013
Replies
2
Views
2K
What material is a poor conductor of electricity?
Apr 14, 2013
Replies
13
Views
14K
Self consistent maxwells equations
Apr 14, 2013
Replies
1
Views
2K
What happens to power when voltage is negative
Apr 13, 2013
Replies
10
Views
2K
Need help with making sphere electromagnet
Apr 13, 2013
Replies
22
Views
5K
Help with physics of my Magnet Motor
Apr 13, 2013
Replies
3
Views
2K
Electrical resistivity tomography
Apr 13, 2013
Replies
1
Views
2K
Calculating electrical energy over time
Apr 13, 2013
Replies
7
Views
2K
Measuring RF Frequency in Hertz for Science Projects
Apr 13, 2013
Replies
8
Views
2K
Calculation of the magnetic field ring current and the magnetic flux t
Apr 13, 2013
Replies
2
Views
2K
Refuting Perpetual Motion with Magnets
Apr 13, 2013
Replies
1
Views
2K
Why is the magnetic field perpendicular to the force?
Apr 13, 2013
Replies
4
Views
2K
The units for current density don't check out
Apr 12, 2013
Replies
3
Views
2K
L Science - Understanding Electron Orbitals and Their Role in Atomic Structure
Apr 12, 2013
Replies
6
Views
2K
What is the nature of electric charge and how does it relate to string theory?
Apr 12, 2013
Replies
12
Views
2K
Magnetic Susceptibility VS. Relative Permeability
Apr 11, 2013
Replies
3
Views
6K
Counting Electrons & Protons in an Atom
Apr 11, 2013
Replies
11
Views
2K
Does the concept of dipole moment of charged molecule exist or not?
Apr 10, 2013
Replies
6
Views
5K
High voltage, where is the power?
Apr 9, 2013
Replies
16
Views
3K
Capacitors in series and parallel
Apr 9, 2013
Replies
5
Views
3K
Surface Charge Density - notation used
Apr 9, 2013
Replies
1
Views
2K
Alternating current and magnetic fields
Apr 9, 2013
Replies
24
Views
6K
Why do we need to integrate to find electric field?
Apr 9, 2013
Replies
6
Views
4K
Energy of an electromagnetic wave
Apr 9, 2013
Replies
5
Views
2K
Will Magnetic Putty Form a Cube or Sphere When Swallowing a Rare Earth Magnet?
Apr 9, 2013
Replies
1
Views
2K
Force need to break a magnetic lock
Apr 9, 2013
Replies
2
Views
7K
How do electrons move in a circuit
Apr 8, 2013
Replies
1
Views
5K
Griffiths Electrodynamics gradient of charge distribution
Apr 8, 2013
Replies
6
Views
4K
Understanding Induced Current in Conducting Wires from Changing Magnetic Fields
Apr 8, 2013
Replies
12
Views
9K
Resonant Frequency of Open Ended Pipes with a Barrier Imposed
Apr 8, 2013
Replies
2
Views
2K
Voltage Difference Equation Terminology
Apr 7, 2013
Replies
4
Views
2K
A question in the energy of a capacitor
Apr 7, 2013
Replies
5
Views
2K
Why is the flux through a closed surface zero with no charge inside?
Apr 7, 2013
Replies
8
Views
6K
Why is voltage the same in a parallel circuit
Apr 7, 2013
Replies
2
Views
3K
Electric field on the surface of uniformly charged spherical shell
Apr 7, 2013
Replies
6
Views
5K
Electric Flux: What it is & Why it's Zero on a Cylinder
Apr 7, 2013
Replies
1
Views
2K
Energy conversion difference in permanent magnet vs. field coil motor
Apr 6, 2013
Replies
1
Views
2K
Why Is a Negative Sign Used in the Electric Potential of a Charged Sphere?
Apr 6, 2013
Replies
4
Views
2K
Getting high current from AA batteries
Apr 6, 2013
Replies
9
Views
5K
What Magnetic Field Would be Generated from this Coil Layout (Picture)
Apr 5, 2013
Replies
3
Views
2K
Difference between W/Q and E/Q in Electricity
Apr 5, 2013
Replies
23
Views
20K
Question on sampling frequency/low pass filter
Apr 5, 2013
Replies
1
Views
4K
Net torque, electric dipole confusion
Apr 5, 2013
Replies
1
Views
2K
How to find the strength of an electromagnet
Apr 5, 2013
Replies
2
Views
2K
Lenz's law and elctromagnetic waves
Apr 4, 2013
Replies
2
Views
2K
Analytical equation for Magnetic Levitation
Apr 4, 2013
Replies
3
Views
3K
Scattering of an unpolarized photon off an electron
Apr 4, 2013
Replies
8
Views
2K
Would a magnetic charge have the same strength as a electric charge?
Apr 4, 2013
Replies
3
Views
2K
What Happens When an Uninsulated Wire Coils Around a Metal Object?
Apr 3, 2013
Replies
18
Views
3K
Do I have to re-define electric field strength in Centre of Mass frame
Apr 3, 2013
Replies
5
Views
2K
Duration of Charging a capacitor
Apr 2, 2013
Replies
2
Views
2K
Does the electric field make electrons?
Apr 2, 2013
Replies
3
Views
2K
Surface field vs pull force(attraction force) of multiple magnets?
Apr 2, 2013
Replies
2
Views
3K
Electric Flux of Concentric Spheres
Apr 2, 2013
Replies
1
Views
2K
Potential energy and magnetic torque
Apr 2, 2013
Replies
1
Views
2K
ADR for Middle School Science fair project (Magnetic Refrigeration)
Apr 1, 2013
Replies
1
Views
3K
How to calculate electric charge with a given electric potential?
Apr 1, 2013
Replies
6
Views
2K
Is angular frequency absolute?
Apr 1, 2013
Replies
3
Views
1K
Object detection through magnetic signature [field]?
Apr 1, 2013
Replies
4
Views
2K
Can a high voltage across a chamber ionize a gas?
Mar 30, 2013
Replies
15
Views
4K
How are Electromagnetic signals specified?
Mar 30, 2013
Replies
2
Views
1K
Net charge of a spherical capacitor
Mar 30, 2013
Replies
1
Views
2K
Suppose an electron was kept with an alpha particle at a finite
Mar 30, 2013
Replies
18
Views
3K
Qualitative meaning of electric potential
Mar 30, 2013
Replies
6
Views
4K
Verification of electric potential
Mar 30, 2013
Replies
2
Views
1K
Questions on Capacitors Concepts: Battery Charging, Electric Fields, Work Done
Mar 30, 2013
Replies
2
Views
2K
Boit's experiment on electrostatics
Mar 30, 2013
Replies
1
Views
1K
Confusion in electric potential energy
Mar 30, 2013
Replies
8
Views
3K
Levitation using directed electric fields
Mar 29, 2013
Replies
13
Views
5K
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