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Understanding EM wave propagation
Sep 9, 2009
Replies
9
Views
6K
EM Field vs EM Wave: Understanding Distance & Strength Differences
Sep 9, 2009
Replies
1
Views
2K
Induced charge in conducting plate
Sep 9, 2009
Replies
2
Views
3K
Dielectric constant, metals, frequency a bit confused
Sep 8, 2009
Replies
11
Views
50K
Tuning Gemstones: Can Frequency Really Be Managed?
Sep 7, 2009
Replies
1
Views
16K
Electromagnetic standing waves measurement
Sep 7, 2009
Replies
14
Views
3K
Particle disturbance by passing EM wave reveals momentum of EM wave?
Sep 7, 2009
Replies
21
Views
5K
Thermocouple voltage compensator
Sep 7, 2009
Replies
8
Views
3K
How Close Do You Need to Be to High Voltage Power Lines to Induce Current?
Sep 7, 2009
Replies
8
Views
6K
Electromagnetic properties tables
Sep 7, 2009
Replies
1
Views
1K
How Does Increasing Current Affect Charge Flow in Circuits?
Sep 6, 2009
Replies
11
Views
3K
Can beat frequencies occur when the amplitude of the waves are different?
Sep 6, 2009
Replies
2
Views
5K
How was Coulomb's law figured out?
Sep 5, 2009
Replies
6
Views
7K
The magnetic field of a solenoid
Sep 5, 2009
Replies
1
Views
2K
How to get high voltage but NO amps
Sep 4, 2009
Replies
18
Views
17K
Stability of electrical charges
Sep 4, 2009
Replies
2
Views
1K
Does a constant electric flux produce a current?
Sep 3, 2009
Replies
5
Views
4K
Size of a Diamagnetic for Levitation
Sep 3, 2009
Replies
1
Views
2K
Electric flux related to perpendicular suf?
Sep 3, 2009
Replies
12
Views
5K
What are the materials needed to make a simple electromagnetic bell?
Sep 3, 2009
Replies
4
Views
17K
Why is the unit of flux density different from the unit of electric flux?
Sep 3, 2009
Replies
10
Views
25K
When a DC flows through a wire, does the electric field vary?
Sep 2, 2009
Replies
1
Views
1K
Why does electric charge reside on the outer surface of a conductor?
Sep 2, 2009
Replies
18
Views
11K
Why does elecricity kill? What causes a magnet to be a magnet?
Sep 2, 2009
Replies
9
Views
6K
Understanding the Charge on Alpha Particles
Sep 2, 2009
Replies
3
Views
5K
Curl of E for Charged Particle: Possibility?
Sep 1, 2009
Replies
4
Views
3K
Demagnetization of repelling poles
Sep 1, 2009
Replies
1
Views
3K
Is there current induced in a solenoid in an open circuit?
Sep 1, 2009
Replies
15
Views
14K
What is the role of the electric field in a battery?
Sep 1, 2009
Replies
5
Views
12K
Explaining F=BIl and F=Bqv for Many Charges
Aug 31, 2009
Replies
4
Views
3K
Eddy Current Pendulum: How Does it Work?
Aug 31, 2009
Replies
2
Views
5K
Working model of a permanent magnet?
Aug 31, 2009
Replies
2
Views
7K
Electric and Magnetic fields of light
Aug 30, 2009
Replies
8
Views
5K
Magnetic field detectable around axis of laser beam?
Aug 30, 2009
Replies
2
Views
2K
Would super-conducting of space itself create electromagnet fields?
Aug 30, 2009
Replies
1
Views
2K
Parallel line currents & Lorentz transformation
Aug 30, 2009
Replies
2
Views
2K
A doubt on self inductance and mutual inductance
Aug 30, 2009
Replies
3
Views
5K
Role of Capacitors in Automotive Ignition, Power Supply & Radio Tuning
Aug 29, 2009
Replies
42
Views
16K
Understanding Eddy Currents: Causes, Effects, and Mitigation
Aug 29, 2009
Replies
6
Views
2K
Modelling electromagnetic wave reflection
Aug 28, 2009
Replies
1
Views
2K
Free-fall formula, adding air resistance
Aug 28, 2009
Replies
13
Views
28K
What Does Negative Voltage Really Mean in Different Electrical Contexts?
Aug 27, 2009
Replies
32
Views
21K
Do Magnetic Fields Actually Perform Work?
Aug 27, 2009
Replies
1
Views
2K
What is the relationship between magnetism and electron movement?
Aug 27, 2009
Replies
4
Views
7K
Resistance of a trapezoidal geometry
Aug 27, 2009
Replies
7
Views
8K
How can I calculate the magnetic field of a relativistic muon?
Aug 27, 2009
Replies
6
Views
2K
Electrostatic force on a charge
Aug 27, 2009
Replies
7
Views
2K
Van der Waals equation of state and Maxwell construction
Aug 26, 2009
Replies
11
Views
13K
Magnetic repulsion Hover Boards
Aug 26, 2009
Replies
16
Views
14K
How does a battery charger work?
Aug 26, 2009
Replies
2
Views
14K
Do only electrons emit a photon when accelerated in EM field?
Aug 24, 2009
Replies
3
Views
3K
The 'why' of electromagnetic induction
Aug 24, 2009
Replies
1
Views
2K
Are the magnetic forces of 'push' and 'pull' equal?
Aug 23, 2009
Replies
2
Views
8K
A question about charged bodies/gravitation
Aug 23, 2009
Replies
15
Views
3K
What happens, when you are trying to magnetize some iron bar?
Aug 23, 2009
Replies
17
Views
11K
How to: compute Watts and Calories for for a bicycle, up a hill
Aug 23, 2009
Replies
1
Views
3K
How to measure quantity of electricity without Coulomb law?
Aug 22, 2009
Replies
4
Views
3K
Check my understanding of electrical energy please.
Aug 21, 2009
Replies
6
Views
2K
Are Neodymium Magnets Polarized and Shaped Like This?
Aug 20, 2009
Replies
11
Views
16K
Measuring Water Flow in Fire Hose: Challenges and Solutions
Aug 20, 2009
Replies
3
Views
2K
How can the spectral representation of a plane EM wave be found?
Aug 20, 2009
Replies
2
Views
2K
Why do electric rockets need to be in a vaccum?
Aug 19, 2009
Replies
1
Views
2K
Voltage, Amperage & Tasers: How Little Damage Can Be Done?
Aug 19, 2009
Replies
6
Views
30K
Coulomb's Law and Point Charges: Real World vs Theory
Aug 19, 2009
Replies
4
Views
4K
Electricity and magnetism field lines
Aug 18, 2009
Replies
2
Views
2K
What is the resultant force on a conducting plate in a magnetic field?
Aug 18, 2009
Replies
4
Views
2K
Can an Electron Absorb Higher Frequency Photons to Transition Energy States?
Aug 18, 2009
Replies
1
Views
2K
Oscillating Electric Field Lines
Aug 17, 2009
Replies
7
Views
3K
How Does Adding a Resistor Affect Capacitor Charging Time?
Aug 17, 2009
Replies
2
Views
2K
Does Wire Gauge Affect Surface Heating Efficiency in Resistance Heating?
Aug 17, 2009
Replies
1
Views
2K
Solving Electric Circuits: 9V Battery, AC/DC Voltage & More
Aug 17, 2009
Replies
21
Views
5K
Looking for specific magnetic material under pressure
Aug 16, 2009
Replies
1
Views
2K
Moving electrons: magnetic and electric fields
Aug 16, 2009
Replies
2
Views
4K
What are these physical quantites in electrodynamics?
Aug 16, 2009
Replies
2
Views
2K
Need Help Solving the Lorentz Equation for a Charged Particle?
Aug 16, 2009
Replies
1
Views
2K
How would you use a magnet to test whether or not a piece of metal was magnetic?
Aug 16, 2009
Replies
3
Views
9K
How does magnetism induce current
Aug 16, 2009
Replies
12
Views
8K
What is the physical meaning behind the energy of an electric field?
Aug 14, 2009
Replies
5
Views
2K
Explain magnets at the subatomic level to me?
Aug 14, 2009
Replies
3
Views
2K
How can I reduce cable capacitance for my Schering bridge?
Aug 14, 2009
Replies
2
Views
8K
Computing Hr and Hz from Magnetic potential
Aug 14, 2009
Replies
4
Views
3K
Does a co-accelerated charge radiate?
Aug 14, 2009
Replies
19
Views
4K
A question about permanent magnets
Aug 14, 2009
Replies
19
Views
13K
Electricity/Water Analogy Fails?
Aug 13, 2009
Replies
16
Views
7K
How does a magnetic bottle work?
Aug 12, 2009
Replies
11
Views
15K
Potential energy between two oppositely charged ions in a crystal
Aug 12, 2009
Replies
3
Views
6K
Could charges on a sphere cause it to explode?
Aug 12, 2009
Replies
6
Views
2K
So, How to Use Ampere's Law for Magnetic Fields and Current?
Aug 11, 2009
Replies
7
Views
2K
Why does everything electrical we see give its voltage?
Aug 11, 2009
Replies
48
Views
54K
Cauchy-Lorentz distribution limit
Aug 11, 2009
Replies
2
Views
5K
Is Electromagnetism Induced by Electrocution Related to Voltage?
Aug 11, 2009
Replies
8
Views
2K
Magnetic Field outside a solenoid
Aug 10, 2009
Replies
4
Views
8K
Comment: When a metal is heated, there is current (ie flow of e) flowing too
Aug 10, 2009
Replies
3
Views
3K
Force on current carrying conductor
Aug 10, 2009
Replies
2
Views
6K
Dynamics of charged particles and quantum effects
Aug 10, 2009
Replies
2
Views
2K
Amperes law and electrodynamics and Gauss's law
Aug 10, 2009
Replies
10
Views
7K
Coulomb: Understanding the Fundamental Unit of Electric Charge
Aug 9, 2009
Replies
7
Views
5K
Understanding Voltage: How Electrical Energy in EM Waves Powers Devices
Aug 9, 2009
Replies
7
Views
2K
Calculating Electromagnets for 4T Output without Superconductors
Aug 9, 2009
Replies
7
Views
7K
Dropping bar magnet through loop of wire
Aug 7, 2009
Replies
1
Views
9K
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