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Insights
Symmetry Arguments and the Infinite Wire with a Current
May 17, 2022
Replies
1
Views
2K
B
How would a radial component of induced electric field makes flux ≠ 0
Wednesday, 2:12 PM
Replies
2
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63
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Help understanding Maxwell's Equations please
Sunday, 5:28 PM
Replies
10
Views
268
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What is electromotive force? What's its relationship to Voltage?
Sunday, 10:56 AM
Replies
3
Views
107
B
Dimensional Spin Inspection
May 21, 2024
Replies
2
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163
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Equality of Gravitational and Electrostatic force
May 21, 2024
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10
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187
I
How is Potential Difference Created across a Resistor?
May 20, 2024
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21
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2K
I
Did Feynman make a mistake in the drawing of moving charges?
May 17, 2024
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6
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227
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Are Maxwell's equations linearly dependent?
May 17, 2024
Replies
3
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247
I
Confused about electromotive forces
May 16, 2024
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10
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252
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Video: 'How electricity actually works'
May 15, 2024
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28
Views
504
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Preventing Corona Discharge from Wimshurst Machine
May 14, 2024
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6
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153
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Is the Poynting Vector Field the Only Factor in Energy Flow in Circuits?
May 13, 2024
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16
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1K
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Initial current in an RLC circuit
May 11, 2024
Replies
22
Views
265
A
NMR flip angle - angle of nutation
May 10, 2024
Replies
2
Views
143
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Does displacement current create a magnetic field? And Lorentz force?
May 10, 2024
Replies
10
Views
269
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The voltage between two points
May 7, 2024
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11
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357
B
Antenna induction, oscillating circuit generating EM Waves
May 7, 2024
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6
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337
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Saha Equation In Plasma for Muons
Apr 30, 2024
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0
Views
187
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What happens to a photon's energy when it is refracted?
Apr 23, 2024
Replies
13
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433
Electron Spin and current-induced magnetic fields
Apr 22, 2024
Replies
18
Views
3K
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Speed of magnetic flux propagation?
Apr 19, 2024
Replies
3
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261
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Possible movement of this magnet?
Apr 13, 2024
Replies
2
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240
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Question about Activating Solenoids that are facing each other
Apr 11, 2024
Replies
1
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214
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How to calculate the ring resonator radii via Laplace?
Apr 10, 2024
Replies
0
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213
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Iron core barely boosting field strength
Apr 5, 2024
2
Replies
43
Views
2K
I
Problem with one of the premises in electrostatic pressure theory
Apr 3, 2024
Replies
1
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300
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Getting the sign right with the work-energy theorem
Apr 2, 2024
Replies
2
Views
297
I
How Do Eddy Current Dampers Work in Space Applications?
Apr 1, 2024
Replies
4
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473
A
An electrolytic capacitor keeps charging by itself
Mar 27, 2024
Replies
14
Views
629
I
Force between opposing magnets
Mar 26, 2024
Replies
7
Views
456
I
Does Diamagnetism Occur Even in a Constant Magnetic Field?
Mar 25, 2024
Replies
7
Views
754
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Qv x B force in electron's proper frame
Mar 24, 2024
Replies
6
Views
353
Diamagnetism & levitation of pyrolytic graphite explanation
Mar 23, 2024
Replies
9
Views
3K
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Can Electromagnetic Levitation Make an Entire Apparatus Go Skyward?
Mar 23, 2024
Replies
3
Views
293
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Can a permeable but non-magnetic rotor be used in an electric motor?
Mar 22, 2024
Replies
18
Views
454
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Effect of Fringe Fields for a Bending (Dipole) Magnet on Field Integral?
Mar 22, 2024
Replies
0
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265
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Why Do Some Theorists Claim Cosmic Inflation Dilutes Magnetic Monopoles?
Mar 19, 2024
Replies
5
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448
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"Strange contradiction" that Maxwell found and resolved
Mar 18, 2024
Replies
7
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403
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An electrolytic capacitor charges by itself?
Mar 13, 2024
Replies
3
Views
2K
I
How Does a Magnetic Repulsion Machine Work?
Mar 9, 2024
Replies
5
Views
493
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Resonant cavity with non-resonant dielectric
Mar 8, 2024
Replies
10
Views
648
I
Physical approximation to inverse square law using magnet(s)
Mar 5, 2024
Replies
12
Views
545
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How large is the volume of a photon interacting with matter?
Mar 4, 2024
Replies
15
Views
676
I
Maxwell's equations in the presence of matter -- Derivation
Feb 25, 2024
Replies
1
Views
528
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Finding potential of a dipole outside of a sphere
Feb 25, 2024
Replies
2
Views
485
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Charging Capacitor with one terminal grounded
Feb 22, 2024
Replies
16
Views
784
B
Magnetic field produced by an electric current
Feb 22, 2024
Replies
5
Views
456
I
Work done by electric field of an irregularly shaped conductor
Feb 16, 2024
Replies
3
Views
663
B
How can scalars like voltage, impedance, etc. be added like vectors?
Feb 14, 2024
Replies
17
Views
725
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Mutual inductance in a transformer
Feb 6, 2024
Replies
16
Views
1K
I
How to use geometrical symmetries -- general advice? (Vector potential)
Feb 6, 2024
Replies
2
Views
424
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Reason for Opposite Signs for Terms in Faraday's Law and Ampere's Law
Feb 6, 2024
Replies
15
Views
906
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Quadrupole moment tensor calculation for ellipsoid
Feb 2, 2024
Replies
3
Views
506
I
Mutual inductance of bifilar winding, vs transmission line parameter
Jan 31, 2024
Replies
4
Views
447
I
Where is the lost energy in this example?
Jan 30, 2024
Replies
10
Views
752
Inducing EMF Through a Coil: Understanding Flux
Jan 29, 2024
6
Replies
191
Views
15K
I
Work to move a point charge from infinity to the centre of a charge distribution
Jan 26, 2024
Replies
4
Views
573
I
Conservation of charge in the Universe
Jan 25, 2024
Replies
24
Views
2K
I
How do we know that both plates of a capacitor have the same charge?
Jan 24, 2024
Replies
8
Views
1K
B
Single phase induction motor Torque under increased frequency and Same Current
Jan 23, 2024
Replies
2
Views
537
I
Do the plates of the capacitor exert a force on each other?
Jan 23, 2024
Replies
21
Views
801
B
Understanding magnetic flux change during the falling of magnet
Jan 20, 2024
Replies
1
Views
495
B
Changing magnetic polarity of an electromagnet
Jan 20, 2024
Replies
10
Views
780
I
Understanding dissipation of energy in a resistor through the Drude model
Jan 20, 2024
Replies
1
Views
1K
I
Question about the current through a strong insulator
Jan 16, 2024
Replies
2
Views
516
B
LC resonance with high Q factor, Inductor with non magnetic core
Jan 15, 2024
Replies
4
Views
568
B
Inductive Reactance of Solenoid with Solid Metal Core With respect to frquency
Jan 14, 2024
Replies
5
Views
629
I
Question about Field Strength of Solenoid Positioned Near a Magnet
Jan 14, 2024
Replies
9
Views
608
I
Resistance and specific resistance relationships
Jan 11, 2024
Replies
16
Views
838
B
What's the difference between these two curves for AC Generator?
Jan 10, 2024
Replies
11
Views
649
A
Ponderomotive force and conservation of momentum
Jan 10, 2024
Replies
1
Views
473
I
Capacitor connected to voltage source, vary plate separation
Jan 9, 2024
Replies
9
Views
668
I
Structural difference between soft and hard ferromagnets
Jan 8, 2024
Replies
4
Views
744
I
Do electric currents depend on the frame of reference?
Jan 7, 2024
Replies
5
Views
575
I
Simple electromagnetic wave including delay
Jan 7, 2024
Replies
2
Views
518
B
Current-carrying coil and solenoid
Jan 6, 2024
Replies
3
Views
580
I
Generating Divergence Equation In Cylindrical Coordinates
Jan 5, 2024
Replies
3
Views
646
I
Is this solenoid / permanent magnet configuration possible?
Jan 2, 2024
Replies
5
Views
572
B
Can I use this method to charge a metal sphere?
Dec 26, 2023
Replies
9
Views
667
I
Alternating current in a perfect conductor
Dec 26, 2023
Replies
11
Views
923
I
What causes the unexpected annihilation point in the Magic-Tee configuration?
Dec 19, 2023
Replies
15
Views
832
I
Problems in classical electrodynamics: Only for point-like particles?
Dec 17, 2023
Replies
1
Views
573
I
Electrical breakdown in air in the presence of a single charge
Dec 16, 2023
Replies
3
Views
681
A
Visualising visible light Fluorescence
Dec 13, 2023
Replies
6
Views
681
I
Light intensity required to shine a light through an opaque object
Dec 12, 2023
Replies
22
Views
2K
B
Definition of ground potential in infinite sheet charge distributions
Dec 10, 2023
Replies
11
Views
1K
A
Proving an equation in a book about Periodic Structures
Dec 7, 2023
Replies
6
Views
1K
B
Symmetry regarding induced potentials?
Dec 7, 2023
Replies
4
Views
672
I
What is the ideal fluid and setup for observing Magnetohydrodynamics?
Dec 6, 2023
Replies
1
Views
667
B
Electromagnetic radiation interacting with a magnetic field
Dec 2, 2023
Replies
24
Views
1K
I
Permanent Magnetic Dipole in an electromagnetic field
Nov 29, 2023
Replies
2
Views
732
B
Is the Direction of Magnetic Fields Truly Conventional?
Nov 29, 2023
Replies
6
Views
788
A
Magnetization and magnet poles
Nov 23, 2023
Replies
10
Views
910
I
How to Measure the Energy of an Electromagnetic Wave?
Nov 23, 2023
Replies
4
Views
1K
I
Magnetic field as result of length contraction
Nov 18, 2023
Replies
17
Views
2K
I
Which law defines the AC inducing voltage in the inductor?
Nov 18, 2023
Replies
25
Views
1K
I
Current through U-wire (rail gun): Violation of (naive) conservation of momentum?
Nov 15, 2023
2
Replies
61
Views
3K
A
Identifying Magnet Grade for FEMM Simulation: Neodymium Cylinder Magnets
Nov 14, 2023
Replies
5
Views
963
A
Electric field of infinite sheet with time dependent charge
Nov 12, 2023
Replies
22
Views
1K
I
What causes skin effect in AC currents?
Nov 9, 2023
Replies
2
Views
816
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