Electromagnetism Forum

Post thread
  • Sticky
Insights Symmetry Arguments and the Infinite Wire with a Current
Replies
1
Views
2K
  • Redirect
Non-Uniform Magnetic Field Calculations
Replies
–
Views
–
B What happens to a photon's energy when it is refracted?
Replies
13
Views
246
Electron Spin and current-induced magnetic fields
Replies
18
Views
3K
B Antenna induction, oscillating circuit generating EM Waves
Replies
1
Views
66
I Speed of magnetic flux propagation?
Replies
3
Views
123
B The voltage between two points
Replies
10
Views
163
B Possible movement of this magnet?
Replies
2
Views
108
I Question about Activating Solenoids that are facing each other
Replies
1
Views
100
I How to calculate the ring resonator radii via Laplace?
Replies
0
Views
85
I Iron core barely boosting field strength
2
Replies
43
Views
1K
I Problem with one of the premises in electrostatic pressure theory
Replies
1
Views
157
I Getting the sign right with the work-energy theorem
Replies
2
Views
166
I How Do Eddy Current Dampers Work in Space Applications?
Replies
4
Views
285
A An electrolytic capacitor keeps charging by itself
Replies
14
Views
476
I Force between opposing magnets
Replies
7
Views
340
I Does Diamagnetism Occur Even in a Constant Magnetic Field?
Replies
7
Views
546
I qv x B force in electron's proper frame
Replies
6
Views
218
Diamagnetism & levitation of pyrolytic graphite explanation
Replies
9
Views
2K
I Can Electromagnetic Levitation Make an Entire Apparatus Go Skyward?
Replies
3
Views
173
I Can a permeable but non-magnetic rotor be used in an electric motor?
Replies
18
Views
338
I Effect of Fringe Fields for a Bending (Dipole) Magnet on Field Integral?
Replies
0
Views
135
I Why Do Some Theorists Claim Cosmic Inflation Dilutes Magnetic Monopoles?
Replies
5
Views
286
I "Strange contradiction" that Maxwell found and resolved
Replies
7
Views
263
I An electrolytic capacitor charges by itself?
Replies
3
Views
1K
I How Does a Magnetic Repulsion Machine Work?
Replies
5
Views
336
I Resonant cavity with non-resonant dielectric
Replies
10
Views
474
I Physical approximation to inverse square law using magnet(s)
Replies
12
Views
401
I How large is the volume of a photon interacting with matter?
Replies
15
Views
535
I Maxwell's equations in the presence of matter -- Derivation
Replies
1
Views
385
A Finding potential of a dipole outside of a sphere
Replies
2
Views
318
I Charging Capacitor with one terminal grounded
Replies
16
Views
590
B Magnetic field produced by an electric current
Replies
5
Views
324
I Work done by electric field of an irregularly shaped conductor
Replies
3
Views
499
B How can scalars like voltage, impedance, etc. be added like vectors?
Replies
17
Views
523
I Mutual inductance in a transformer
Replies
16
Views
1K
I How to use geometrical symmetries -- general advice? (Vector potential)
Replies
2
Views
303
I Reason for Opposite Signs for Terms in Faraday's Law and Ampere's Law
Replies
15
Views
747
I Quadrupole moment tensor calculation for ellipsoid
Replies
3
Views
350
I Mutual inductance of bifilar winding, vs transmission line parameter
Replies
4
Views
306
I Where is the lost energy in this example?
Replies
10
Views
623
Inducing EMF Through a Coil: Understanding Flux
6
Replies
191
Views
14K
I Work to move a point charge from infinity to the centre of a charge distribution
Replies
4
Views
443
I Conservation of charge in the Universe
Replies
24
Views
2K
I How do we know that both plates of a capacitor have the same charge?
Replies
8
Views
1K
B Single phase induction motor Torque under increased frequency and Same Current
Replies
2
Views
422
I Do the plates of the capacitor exert a force on each other?
Replies
21
Views
645
B Understanding magnetic flux change during the falling of magnet
Replies
1
Views
366
B Changing magnetic polarity of an electromagnet
Replies
10
Views
544
I Understanding dissipation of energy in a resistor through the Drude model
Replies
1
Views
971
I Question about the current through a strong insulator
Replies
2
Views
410
B LC resonance with high Q factor, Inductor with non magnetic core
Replies
4
Views
428
B Inductive Reactance of Solenoid with Solid Metal Core With respect to frquency
Replies
5
Views
492
I Question about Field Strength of Solenoid Positioned Near a Magnet
Replies
9
Views
467
I Resistance and specific resistance relationships
Replies
16
Views
670
B What's the difference between these two curves for AC Generator?
Replies
11
Views
540
A Ponderomotive force and conservation of momentum
Replies
1
Views
364
I Capacitor connected to voltage source, vary plate separation
Replies
9
Views
507
I Structural difference between soft and hard ferromagnets
Replies
4
Views
612
I Do electric currents depend on the frame of reference?
Replies
5
Views
427
I Simple electromagnetic wave including delay
Replies
2
Views
399
B Current-carrying coil and solenoid
Replies
3
Views
433
I Generating Divergence Equation In Cylindrical Coordinates
Replies
3
Views
515
I Is this solenoid / permanent magnet configuration possible?
Replies
5
Views
457
B Can I use this method to charge a metal sphere?
Replies
9
Views
556
I Alternating current in a perfect conductor
Replies
11
Views
769
I What causes the unexpected annihilation point in the Magic-Tee configuration?
Replies
15
Views
696
I Problems in classical electrodynamics: Only for point-like particles?
Replies
1
Views
454
I Electrical breakdown in air in the presence of a single charge
Replies
3
Views
548
A Visualising visible light Fluorescence
Replies
6
Views
570
I Light intensity required to shine a light through an opaque object
Replies
22
Views
1K
B Definition of ground potential in infinite sheet charge distributions
Replies
11
Views
864
A Proving an equation in a book about Periodic Structures
Replies
6
Views
951
B Symmetry regarding induced potentials?
Replies
4
Views
542
I What is the ideal fluid and setup for observing Magnetohydrodynamics?
Replies
1
Views
522
B Electromagnetic radiation interacting with a magnetic field
Replies
24
Views
1K
I Permanent Magnetic Dipole in an electromagnetic field
Replies
2
Views
592
B Is the Direction of Magnetic Fields Truly Conventional?
Replies
6
Views
645
A Magnetization and magnet poles
Replies
10
Views
746
I How to Measure the Energy of an Electromagnetic Wave?
Replies
4
Views
928
I Magnetic field as result of length contraction
Replies
17
Views
1K
I Which law defines the AC inducing voltage in the inductor?
Replies
25
Views
1K
I Current through U-wire (rail gun): Violation of (naive) conservation of momentum?
2
Replies
61
Views
2K
A Identifying Magnet Grade for FEMM Simulation: Neodymium Cylinder Magnets
Replies
5
Views
807
A Electric field of infinite sheet with time dependent charge
Replies
22
Views
878
I What causes skin effect in AC currents?
Replies
2
Views
677
B Measuring electric field vs magnetic field
Replies
8
Views
871
I Does B=0 at points out of the plane containing and normal to a point current I?
Replies
8
Views
681
I Geometry of Magnetic field lines as they approach a magnet pole?
Replies
28
Views
1K
I When to properly use "voltage"
Replies
25
Views
1K
I Railgun: Significant magnetic field where projectile is?
Replies
8
Views
757
B Why can only the electric field (E) be measured?
Replies
23
Views
1K
I Circular loop in uniform magnetic field
Replies
11
Views
777
I Is the magnetic field from this current rotationally symmetric?
Replies
12
Views
791
A General solution to Laplacian in cylindrical coordinates
Replies
13
Views
859
I Do you think emissivity of air makes sense?
Replies
16
Views
2K
I Electricity and Magnetism: Verifying the Inverse Square Law
Replies
3
Views
783
I Can the Last Maxwell's Equation Explain Polarization of a Wire's Insulator?
Replies
3
Views
807
B Understanding the Relationship Between i*cos and sin in Circuit Analysis
2
Replies
39
Views
2K
I Inductance Measurement: Error Due To Series Resistance
Replies
6
Views
771
I Ampere's Law For Static Magnetic Field
Replies
5
Views
982

Hot Threads

Recent Insights

Back
Top