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Insights
Symmetry Arguments and the Infinite Wire with a Current
May 17, 2022
Replies
1
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2K
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Is This Correct Description of Magnetic Saturation?
Saturday, 9:34 PM
Replies
2
Views
57
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Temperature vs Magnetic Strength (Flux) relationship in ferromagnets
Friday, 9:14 AM
Replies
9
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276
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Feynman Lectures Question on Figure 26-2: "It appears that action is not equal to reaction"
Friday, 6:00 AM
Replies
6
Views
175
B
E. Potential Energy: Uniformly Charged Hollow Sphere and Point Charge
Jul 13, 2024
Replies
4
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120
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Confusion regarding insulator and conductors
Jul 11, 2024
Replies
1
Views
84
B
Rogowski coil tension calculation formula
Jul 9, 2024
Replies
14
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256
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Does path independence still hold if permittivity is non-uniform?
Jul 8, 2024
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4
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187
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The potential on the rim of a uniformly charged disk
Jul 4, 2024
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4
Views
144
B
Force Exerted on a Conductor by a Homogeneous Magnetic Field
Jul 4, 2024
Replies
1
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95
B
Electric Field Created by a Finite Plate
Jul 4, 2024
Replies
2
Views
125
B
What is the difference between B and H?
Jul 3, 2024
Replies
10
Views
339
B
Electric Field Created by 2 Infinite Plates
Jul 3, 2024
Replies
1
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123
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Getting a reduced voltage from a fixed secondary voltage of a transformer
Jul 1, 2024
Replies
8
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180
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Question about microwave reflections
Jun 29, 2024
Replies
3
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180
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My home capacitor experiment
Jun 29, 2024
Replies
12
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263
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Controlling the location of a spark between two parallel rods
Jun 27, 2024
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3
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206
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Does current decrease inside a wire or does it increase it's velocity?
Jun 25, 2024
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8
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233
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Form of energy momentum tensor of matter in EM fields
Jun 23, 2024
Replies
2
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176
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Direction of drift velocity vs direction of current
Jun 19, 2024
Replies
8
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293
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Are Maxwell's equations linearly dependent?
Jun 18, 2024
Replies
13
Views
603
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Help understanding Maxwell's Equations please
Jun 15, 2024
Replies
11
Views
498
B
How would a radial component of induced electric field makes flux ≠ 0
Jun 5, 2024
Replies
2
Views
275
B
What is electromotive force? What's its relationship to Voltage?
Jun 2, 2024
Replies
3
Views
261
B
Dimensional Spin Inspection
May 21, 2024
Replies
2
Views
298
I
Equality of Gravitational and Electrostatic force
May 21, 2024
Replies
10
Views
346
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How is Potential Difference Created across a Resistor?
May 20, 2024
Replies
21
Views
2K
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Did Feynman make a mistake in the drawing of moving charges?
May 17, 2024
Replies
6
Views
377
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Confused about electromotive forces
May 16, 2024
Replies
10
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413
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Video: 'How electricity actually works'
May 15, 2024
Replies
28
Views
672
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Preventing Corona Discharge from Wimshurst Machine
May 14, 2024
Replies
6
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283
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Is the Poynting Vector Field the Only Factor in Energy Flow in Circuits?
May 13, 2024
Replies
16
Views
1K
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Initial current in an RLC circuit
May 11, 2024
Replies
22
Views
475
A
NMR flip angle - angle of nutation
May 10, 2024
Replies
2
Views
282
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Does displacement current create a magnetic field? And Lorentz force?
May 10, 2024
Replies
10
Views
440
B
The voltage between two points
May 7, 2024
Replies
11
Views
502
B
Antenna induction, oscillating circuit generating EM Waves
May 7, 2024
Replies
6
Views
507
A
Saha Equation In Plasma for Muons
Apr 30, 2024
Replies
0
Views
305
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What happens to a photon's energy when it is refracted?
Apr 23, 2024
Replies
13
Views
584
Electron Spin and current-induced magnetic fields
Apr 22, 2024
Replies
18
Views
3K
I
Speed of magnetic flux propagation?
Apr 19, 2024
Replies
3
Views
399
B
Possible movement of this magnet?
Apr 13, 2024
Replies
2
Views
370
I
Question about Activating Solenoids that are facing each other
Apr 11, 2024
Replies
1
Views
336
I
How to calculate the ring resonator radii via Laplace?
Apr 10, 2024
Replies
0
Views
340
I
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
Views
440
I
Getting the sign right with the work-energy theorem
Apr 2, 2024
Replies
2
Views
420
I
How Do Eddy Current Dampers Work in Space Applications?
Apr 1, 2024
Replies
4
Views
638
A
An electrolytic capacitor keeps charging by itself
Mar 27, 2024
Replies
14
Views
784
I
Force between opposing magnets
Mar 26, 2024
Replies
7
Views
592
I
Does Diamagnetism Occur Even in a Constant Magnetic Field?
Mar 25, 2024
Replies
7
Views
919
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Qv x B force in electron's proper frame
Mar 24, 2024
Replies
6
Views
493
Diamagnetism & levitation of pyrolytic graphite explanation
Mar 23, 2024
Replies
9
Views
3K
I
Can Electromagnetic Levitation Make an Entire Apparatus Go Skyward?
Mar 23, 2024
Replies
3
Views
420
I
Can a permeable but non-magnetic rotor be used in an electric motor?
Mar 22, 2024
Replies
18
Views
583
I
Effect of Fringe Fields for a Bending (Dipole) Magnet on Field Integral?
Mar 22, 2024
Replies
0
Views
411
I
Why Do Some Theorists Claim Cosmic Inflation Dilutes Magnetic Monopoles?
Mar 19, 2024
Replies
5
Views
587
I
"Strange contradiction" that Maxwell found and resolved
Mar 18, 2024
Replies
7
Views
551
I
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
693
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Resonant cavity with non-resonant dielectric
Mar 8, 2024
Replies
10
Views
811
I
Physical approximation to inverse square law using magnet(s)
Mar 5, 2024
Replies
12
Views
672
I
How large is the volume of a photon interacting with matter?
Mar 4, 2024
Replies
15
Views
820
I
Maxwell's equations in the presence of matter -- Derivation
Feb 25, 2024
Replies
1
Views
658
A
Finding potential of a dipole outside of a sphere
Feb 25, 2024
Replies
2
Views
608
I
Charging Capacitor with one terminal grounded
Feb 22, 2024
Replies
16
Views
990
B
Magnetic field produced by an electric current
Feb 22, 2024
Replies
5
Views
611
I
Work done by electric field of an irregularly shaped conductor
Feb 16, 2024
Replies
3
Views
830
B
How can scalars like voltage, impedance, etc. be added like vectors?
Feb 14, 2024
Replies
17
Views
902
I
Mutual inductance in a transformer
Feb 6, 2024
Replies
16
Views
2K
I
How to use geometrical symmetries -- general advice? (Vector potential)
Feb 6, 2024
Replies
2
Views
562
I
Reason for Opposite Signs for Terms in Faraday's Law and Ampere's Law
Feb 6, 2024
Replies
15
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1K
I
Quadrupole moment tensor calculation for ellipsoid
Feb 2, 2024
Replies
3
Views
674
I
Mutual inductance of bifilar winding, vs transmission line parameter
Jan 31, 2024
Replies
4
Views
593
I
Where is the lost energy in this example?
Jan 30, 2024
Replies
10
Views
892
Inducing EMF Through a Coil: Understanding Flux
Jan 29, 2024
6
Replies
191
Views
16K
I
Work to move a point charge from infinity to the centre of a charge distribution
Jan 26, 2024
Replies
4
Views
715
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
662
I
Do the plates of the capacitor exert a force on each other?
Jan 23, 2024
Replies
21
Views
983
B
Understanding magnetic flux change during the falling of magnet
Jan 20, 2024
Replies
1
Views
636
B
Changing magnetic polarity of an electromagnet
Jan 20, 2024
Replies
10
Views
1K
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
631
B
LC resonance with high Q factor, Inductor with non magnetic core
Jan 15, 2024
Replies
4
Views
715
B
Inductive Reactance of Solenoid with Solid Metal Core With respect to frquency
Jan 14, 2024
Replies
5
Views
784
I
Question about Field Strength of Solenoid Positioned Near a Magnet
Jan 14, 2024
Replies
9
Views
762
I
Resistance and specific resistance relationships
Jan 11, 2024
Replies
16
Views
1K
B
What's the difference between these two curves for AC Generator?
Jan 10, 2024
Replies
11
Views
770
A
Ponderomotive force and conservation of momentum
Jan 10, 2024
Replies
1
Views
593
I
Capacitor connected to voltage source, vary plate separation
Jan 9, 2024
Replies
9
Views
842
I
Structural difference between soft and hard ferromagnets
Jan 8, 2024
Replies
4
Views
884
I
Do electric currents depend on the frame of reference?
Jan 7, 2024
Replies
5
Views
728
I
Simple electromagnetic wave including delay
Jan 7, 2024
Replies
2
Views
642
B
Current-carrying coil and solenoid
Jan 6, 2024
Replies
3
Views
709
I
Generating Divergence Equation In Cylindrical Coordinates
Jan 5, 2024
Replies
3
Views
816
I
Is this solenoid / permanent magnet configuration possible?
Jan 2, 2024
Replies
5
Views
691
B
Can I use this method to charge a metal sphere?
Dec 26, 2023
Replies
9
Views
801
I
Alternating current in a perfect conductor
Dec 26, 2023
Replies
11
Views
1K
I
What causes the unexpected annihilation point in the Magic-Tee configuration?
Dec 19, 2023
Replies
15
Views
957
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