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Symmetry Arguments and the Infinite Wire with a Current
May 17, 2022
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1
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3K
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Numerical calculations of a railgun yielded disappointing results
Yesterday, 6:04 PM
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126
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Parallel plate capacitor, charge imbalance VS charge redistribution
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1
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84
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Why does my toaster hum?
Jan 8, 2025
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584
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An intuitive explanation of multipole expansion
Jan 7, 2025
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218
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Coil that conducts direct current
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154
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EM wave decomposition to axis components in the Rayleigh-Jeans cube
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271
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Building a Faraday cage with a conductive cloth and magnets
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10
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238
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Experiment issues (electromagnetism)
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42
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562
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Measure the Capacitance of a condenser
Dec 15, 2024
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1
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139
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Appropriate coordinates for a given electric field
Nov 24, 2024
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4
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424
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Electric field inside & outside of a spherical shell
Nov 24, 2024
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7
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427
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Is Newton's third law getting violated here?
Nov 19, 2024
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14
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367
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Numerical solution of the Poisson equation
Nov 18, 2024
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3
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200
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Outside of two oppositely charged infinite planes
Oct 27, 2024
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8
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402
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What is the significance of dipole moments in physics?
Oct 23, 2024
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1
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285
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Why is there induced current in a DC motor?
Oct 19, 2024
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2
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304
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Why is the net acceleration of an electron in a conductor zero?
Oct 4, 2024
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13
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523
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How induction works within a coil (nuances of it)
Sep 30, 2024
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6
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684
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Origin of Hertzian dipole radiation
Sep 27, 2024
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21
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692
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High voltage batteries and charge distribution
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1
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428
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Why does the phase of the reflected wave from a denser medium change?
Sep 19, 2024
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8
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558
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When is Ampere's Law applicable in different scenarios?
Sep 14, 2024
Replies
3
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500
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Would an BLDC motor with rotor winded like a mirrored stator rotate?
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1
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386
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Magnetic field as result of length contraction
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20
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3K
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Resistance Force on Gas in Magnetohydrodynamic Generator
Aug 29, 2024
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2
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501
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Does path independence still hold if permittivity is non-uniform?
Aug 29, 2024
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18
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1K
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Some Questions about Electric Current/Capacitors to help my understanding
Aug 19, 2024
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7
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942
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Electric arc length in relation to voltage
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14
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2K
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Electrical characteristics of a solenoid coil
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10
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533
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Video: 'How electricity actually works'
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1K
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Do electromagnetic fields have momentum?
Aug 18, 2024
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15
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772
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15
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845
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Charging a small metal ball from a charged hollow sphere
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4
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526
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Potential difference between a battery's terminal and Earth ground
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2
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58
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2K
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Energy transfer during gas discharge
Aug 12, 2024
Replies
4
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565
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Is This Correct Description of Magnetic Saturation?
Aug 10, 2024
Replies
14
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861
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Rogowski coil tension calculation formula
Jul 28, 2024
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17
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1K
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Conditions for applying Gauss' Law
Jul 26, 2024
Replies
1
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604
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Why Can Tzz in Maxwell's Stress Tensor Be Non-Zero in Electrostatics?
Jul 25, 2024
Replies
2
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542
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Temperature vs Magnetic Strength (Flux) relationship in ferromagnets
Jul 19, 2024
Replies
9
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861
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Feynman Lectures Question on Figure 26-2: "It appears that action is not equal to reaction"
Jul 19, 2024
Replies
6
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677
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E. Potential Energy: Uniformly Charged Hollow Sphere and Point Charge
Jul 13, 2024
Replies
4
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653
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Confusion regarding insulator and conductors
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1
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541
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The potential on the rim of a uniformly charged disk
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Replies
4
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641
B
Force Exerted on a Conductor by a Homogeneous Magnetic Field
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Replies
1
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624
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Electric Field Created by a Finite Plate
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2
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660
B
What is the difference between B and H?
Jul 3, 2024
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10
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1K
B
Electric Field Created by 2 Infinite Plates
Jul 3, 2024
Replies
1
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687
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Getting a reduced voltage from a fixed secondary voltage of a transformer
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Replies
8
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750
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Question about microwave reflections
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651
B
Will My DIY Capacitor Light Up a 6VAC Bulb in Series?
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Replies
12
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879
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Controlling the location of a spark between two parallel rods
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3
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687
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Does current decrease inside a wire or does it increase it's velocity?
Jun 25, 2024
Replies
8
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826
A
Form of energy momentum tensor of matter in EM fields
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Replies
2
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702
B
Direction of drift velocity vs direction of current
Jun 19, 2024
Replies
8
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909
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Are Maxwell's equations linearly dependent?
Jun 18, 2024
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13
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1K
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Help understanding Maxwell's Equations please
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11
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1K
B
How would a radial component of induced electric field makes flux ≠ 0
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736
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What is electromotive force? What's its relationship to Voltage?
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688
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Dimensional Spin Inspection
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2
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732
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Equality of Gravitational and Electrostatic force
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10
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857
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How is Potential Difference Created across a Resistor?
May 20, 2024
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21
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3K
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Did Feynman make a mistake in the drawing of moving charges?
May 17, 2024
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6
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830
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Confused about electromotive forces
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10
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996
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Is the Poynting Vector Field the Only Factor in Energy Flow in Circuits?
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2K
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Initial current in an RLC circuit
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22
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1K
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NMR flip angle - angle of nutation
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778
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Does displacement current create a magnetic field? And Lorentz force?
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981
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The voltage between two points
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11
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1K
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Antenna induction, oscillating circuit generating EM Waves
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Saha Equation In Plasma for Muons
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773
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What happens to a photon's energy when it is refracted?
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13
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1K
Electron Spin and current-induced magnetic fields
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4K
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Speed of magnetic flux propagation?
Apr 19, 2024
Replies
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997
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Possible movement of this magnet?
Apr 13, 2024
Replies
2
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844
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Question about Activating Solenoids that are facing each other
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Replies
1
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955
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How to calculate the ring resonator radii via Laplace?
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773
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Iron core barely boosting field strength
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Problem with one of the premises in electrostatic pressure theory
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897
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Getting the sign right with the work-energy theorem
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839
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How Do Eddy Current Dampers Work in Space Applications?
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1K
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An electrolytic capacitor keeps charging by itself
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14
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1K
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Force between opposing magnets
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Does Diamagnetism Occur Even in a Constant Magnetic Field?
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Qv x B force in electron's proper frame
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6
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1K
Diamagnetism & levitation of pyrolytic graphite explanation
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Can Electromagnetic Levitation Make an Entire Apparatus Go Skyward?
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Can a permeable but non-magnetic rotor be used in an electric motor?
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1K
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Effect of Fringe Fields for a Bending (Dipole) Magnet on Field Integral?
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0
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959
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Why Do Some Theorists Claim Cosmic Inflation Dilutes Magnetic Monopoles?
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Replies
5
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1K
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"Strange contradiction" that Maxwell found and resolved
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Replies
7
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1K
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An electrolytic capacitor charges by itself?
Mar 13, 2024
Replies
3
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2K
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How Does a Magnetic Repulsion Machine Work?
Mar 9, 2024
Replies
5
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1K
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Resonant cavity with non-resonant dielectric
Mar 8, 2024
Replies
10
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1K
I
Physical approximation to inverse square law using magnet(s)
Mar 5, 2024
Replies
12
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1K
I
How large is the volume of a photon interacting with matter?
Mar 4, 2024
Replies
15
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1K
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Maxwell's equations in the presence of matter -- Derivation
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Replies
1
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1K
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Finding potential of a dipole outside of a sphere
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Replies
2
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1K
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Charging Capacitor with one terminal grounded
Feb 22, 2024
Replies
16
Views
2K
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