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Capacitors, Entropy & Energy Loss
Mar 11, 2012
Replies
7
Views
4K
Solenoid + Transformer + Current buildup interval
Mar 11, 2012
Replies
1
Views
2K
Eddy current in an infinitely long cylindrical conductor in an solenoid
Mar 11, 2012
Replies
17
Views
7K
Why don't magnets violate conservation of energy?
Mar 10, 2012
Replies
13
Views
18K
What charges on my hair after comb?
Mar 10, 2012
Replies
3
Views
8K
Why does voltage drop to zero over a resistor?
Mar 10, 2012
Replies
2
Views
12K
Can an electron move to a higher energy level on a permanent basis?
Mar 10, 2012
Replies
27
Views
10K
What causes electric charges to experience forces?
Mar 9, 2012
Replies
1
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2K
Does RPM affect electricity generation?
Mar 9, 2012
Replies
2
Views
4K
Does the universe has a capacitance?
Mar 9, 2012
Replies
4
Views
3K
Why is there a lack of current in lemon batteries?
Mar 9, 2012
Replies
5
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6K
Magnetic field causing a force
Mar 9, 2012
Replies
4
Views
2K
Electric field inside a void in a conductor?
Mar 8, 2012
Replies
3
Views
3K
What is Electron Ptychography Imaging and its potential applications?
Mar 8, 2012
Replies
2
Views
2K
Why did Coulomb choose 1.6x10^-19 for the charge of an electron?
Mar 8, 2012
Replies
7
Views
23K
Magnetic Field & π: Uncovering the Mystery
Mar 8, 2012
Replies
3
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2K
Symmetry associated with conservation of electric charge.
Mar 8, 2012
Replies
2
Views
2K
Are both velocity and jerk of charges responsible for magnetic fields?
Mar 8, 2012
Replies
9
Views
4K
Gauss's law and surface electrons on a charged conductor, contradiction?
Mar 8, 2012
Replies
17
Views
5K
Electrons flow in thermionic emmission?
Mar 8, 2012
Replies
1
Views
4K
Shield Magnetic Field: Best Material & Thickness for 10A Current
Mar 8, 2012
Replies
15
Views
6K
What does it mean and how to convert picture to spatial frequency
Mar 7, 2012
Replies
13
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13K
Classical Electron: Will It "Fall" Into the Nucleus?
Mar 7, 2012
Replies
2
Views
2K
Use of Capacitors in this circuit?
Mar 7, 2012
Replies
12
Views
6K
Astounding new discovery on Electrical Heat
Mar 6, 2012
Replies
7
Views
3K
Acoustic Analysis of Musical Instruments
Mar 6, 2012
Replies
3
Views
3K
Voltage problems & Kirchhoff's rules
Mar 6, 2012
Replies
1
Views
2K
Difference between electromagnetics and electromagnetism ?
Mar 5, 2012
Replies
6
Views
8K
Will a 5A Fuse Melt with 20 Bulbs in Parallel?
Mar 5, 2012
Replies
7
Views
3K
Some question on charge inside cavity
Mar 5, 2012
Replies
5
Views
2K
Kilowatt-hour versus kilowatt per hour
Mar 5, 2012
Replies
8
Views
20K
Complex representation of electric field
Mar 5, 2012
Replies
6
Views
13K
What is the Dimension of Electric Charge?
Mar 5, 2012
Replies
4
Views
7K
Why is the Electric Field Magnitude Zero in the Z Direction for an EM Wave?
Mar 4, 2012
Replies
1
Views
2K
Gap between the plates of a Thermal Electric Modules
Mar 4, 2012
Replies
11
Views
3K
Kinetic to Electric Power Conversion
Mar 3, 2012
Replies
24
Views
7K
Tangential component of ElectroStatic Field
Mar 2, 2012
Replies
3
Views
5K
Electric field strength and electric potential in a sphere
Mar 2, 2012
Replies
1
Views
3K
Parallel plate capacitor with a dielectric?
Mar 2, 2012
Replies
2
Views
5K
Joules per Coulomb and the Volt
Mar 2, 2012
Replies
16
Views
53K
Question about voltage divider rule in series-parallel circuits.
Mar 2, 2012
Replies
4
Views
7K
Charged particles in parallel magnetic fields
Mar 2, 2012
Replies
1
Views
2K
Does Electron spin generate electricity?
Mar 2, 2012
Replies
1
Views
2K
How Does an External Charge Affect Flux Through a Cube's Face?
Mar 2, 2012
Replies
15
Views
3K
Angular momentum of lectromagnetic fields?
Mar 2, 2012
Replies
2
Views
2K
Help Needed: Understanding Electricity & Electrostatic P.D.
Mar 1, 2012
Replies
2
Views
3K
How does voltage affect current in a circuit?
Mar 1, 2012
Replies
1
Views
4K
Affecting Mutual Capacitance w/ an External Field
Feb 29, 2012
Replies
2
Views
2K
Electromagnetic Waves from My PC
Feb 29, 2012
Replies
9
Views
3K
Ampere's Law with Maxwell's correction is equivelant to Ampere's Law?
Feb 29, 2012
Replies
2
Views
5K
Magnetic strength over distance
Feb 29, 2012
Replies
1
Views
4K
Electron's pole rotation in magnetic field
Feb 29, 2012
Replies
1
Views
2K
What makes work positive (electricity)
Feb 29, 2012
Replies
1
Views
2K
Integrating by parts Maxwell Lagrangian
Feb 28, 2012
Replies
1
Views
3K
Abs Values in Electric Potential & Potential Difference?
Feb 28, 2012
Replies
2
Views
4K
Electric current is found when Menthos is put in Coca cola
Feb 28, 2012
Replies
3
Views
2K
Understanding Charge in Physics: Solving a Problem with Plastic Wrap
Feb 28, 2012
Replies
1
Views
2K
Magnetic field inside a material
Feb 27, 2012
Replies
7
Views
5K
Random thoughts on Maxwell's demon
Feb 27, 2012
Replies
25
Views
15K
Where to find Electric displacement help
Feb 27, 2012
Replies
1
Views
2K
Electric potential equals the negative area under the graph
Feb 26, 2012
Replies
3
Views
9K
Electrostatics - Coulomb's Law
Feb 26, 2012
Replies
3
Views
3K
Do moving electrons emit light?
Feb 26, 2012
Replies
6
Views
2K
What Is the Correct Induced Charge on an Uncharged Conductor?
Feb 26, 2012
Replies
4
Views
3K
How do I calculate repulsion force between two neodymium magnets?
Feb 25, 2012
Replies
23
Views
7K
Coin Attraction: Understanding Magnetism and Its Effects
Feb 25, 2012
Replies
5
Views
5K
Electric Field Location problem?
Feb 25, 2012
Replies
1
Views
8K
How is the field inside a rod magnet in the presence of ferro magnetic material?
Feb 25, 2012
Replies
3
Views
3K
Electrical Potential - Difference, Field
Feb 24, 2012
Replies
1
Views
2K
Difference between forcing frequency and natural frequency
Feb 24, 2012
Replies
1
Views
6K
Electromagnetic induction open cuircuit and how to determine direction
Feb 24, 2012
Replies
7
Views
3K
Can the Magnetic Reynolds Number be Proven with Simple Math?
Feb 24, 2012
Replies
4
Views
4K
Understanding Coulomb's Constant: Explained for Beginners
Feb 24, 2012
Replies
10
Views
7K
Electric field inside conductor
Feb 24, 2012
Replies
3
Views
2K
How Do Coulombs and Amperes Measure Electricity?
Feb 23, 2012
Replies
3
Views
4K
Magnetic field and a charge in room
Feb 23, 2012
Replies
5
Views
2K
How Does Core Material Affect EMF Induction in Guitar Pickup Coils?
Feb 23, 2012
Replies
5
Views
7K
A few questions about light, solar panels, and electric currents.
Feb 23, 2012
Replies
9
Views
5K
Additionl field proportional to magnetisation?
Feb 23, 2012
Replies
1
Views
2K
Why Does EMF Cancel Out When a Magnet Moves Constantly Inside a Solenoid?
Feb 23, 2012
Replies
1
Views
2K
How can we see visible light since electric and magnetic fields are invisible?
Feb 23, 2012
Replies
20
Views
7K
Electrohydroconvection Engine?
Feb 22, 2012
Replies
1
Views
2K
Self inductance of a very thin conductor, is infinity?
Feb 22, 2012
Replies
3
Views
4K
Basic conductor and current related question
Feb 22, 2012
Replies
1
Views
2K
Same frequency different wavelength?
Feb 22, 2012
Replies
1
Views
11K
Compass and the direction of a magnetic field
Feb 21, 2012
Replies
6
Views
18K
Displacement current vs eddy current
Feb 21, 2012
Replies
5
Views
6K
Non ohmic graph and distance vs time graph
Feb 21, 2012
Replies
3
Views
4K
Questions regarding basic electricity and unit conversion
Feb 21, 2012
Replies
2
Views
2K
Confusion on Concept of Electric Potentials/Potential Energy
Feb 20, 2012
Replies
1
Views
3K
Original Maxwell equations versus todays version
Feb 20, 2012
Replies
8
Views
8K
What exactly determines the energy of a wave? the intensity? or the frequency?
Feb 20, 2012
Replies
1
Views
11K
How can I find electrostatic interaction force
Feb 20, 2012
Replies
1
Views
2K
E. field due to a hollow spherical conductor containing a point charge (NOT centred)
Feb 20, 2012
Replies
1
Views
5K
Building an electromagnet hover-coaster
Feb 20, 2012
Replies
3
Views
2K
Use of magnets to create power?
Feb 19, 2012
Replies
8
Views
4K
What happens to an electron in the electric field
Feb 19, 2012
Replies
7
Views
7K
Electric Field for infinite sheet of uniform charge per unit area
Feb 19, 2012
Replies
10
Views
43K
Electric Field of extended mass
Feb 19, 2012
Replies
8
Views
2K
Creating Electricity through Mechanical Rotation: The Electrical Generator
Feb 19, 2012
Replies
4
Views
3K
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