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Decompose the E field into conservative and non-conservative parts
Dec 17, 2022
2
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64
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4K
PPMT, Magnetic Flux Switch, electro-permanent magnet generator
Dec 12, 2022
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8
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3K
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Questions about a Conductor in an Electric Field
Dec 11, 2022
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13
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2K
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Deriving expression for resistance in terms of current density
Dec 9, 2022
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7
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2K
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Formula for force between two sheets of aluminum foil under voltage
Dec 9, 2022
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10
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2K
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Do volume integrals involve bounding surfaces?
Dec 7, 2022
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14
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2K
Electric field within a battery
Dec 6, 2022
2
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51
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8K
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Faraday's Law Equation: Derivative vs Delta
Dec 4, 2022
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2
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2K
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Induced electric fields and induced magnetic fields confusion
Dec 2, 2022
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9
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3K
The electric field inside and outside of a dielectric
Dec 1, 2022
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6
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5K
U(1) invariance of classical electromagnetism
Dec 1, 2022
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29
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10K
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Exploring the Electric Field of a Moving Charged Spherical Shell
Nov 30, 2022
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14
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2K
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Is there some electrical charge that is neither positive nor negative?
Nov 29, 2022
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11
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2K
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Understanding Lewin's Circuit Paradox: Explained Simply and Clearly
Nov 29, 2022
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24
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2K
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Uniform charge distribution in a conductor
Nov 28, 2022
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5
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2K
Why is the electric field within a conducting sphere 0?
Nov 28, 2022
Replies
11
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11K
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Magnetic fields attracting two disc-shaped magnets
Nov 28, 2022
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11
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2K
Rotating a spherical conductor in an Electric field
Nov 22, 2022
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20
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3K
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How does a rotating magnet create levitation?
Nov 21, 2022
Replies
1
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1K
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Static Point Charge Should Have Zero Effect
Nov 14, 2022
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18
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2K
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Why is the electric field in y direction in a TE guided wave?
Nov 4, 2022
Replies
5
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1K
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How do I visualize the magnetic field?
Nov 3, 2022
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1
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2K
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How Does a Vibrating Sample Magnetometer Calculate Magnetic Moment?
Oct 25, 2022
Replies
2
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1K
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Where is this term coming from?
Oct 25, 2022
Replies
5
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1K
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Dielectric constant, dispersion and response of the medium
Oct 24, 2022
Replies
1
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1K
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Can the A and φ potentials be fixed in a region of space?
Oct 21, 2022
Replies
14
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1K
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A and ϕ inside a Faraday cage?
Oct 21, 2022
Replies
2
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1K
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Method of images and spherical coordinates
Oct 20, 2022
Replies
4
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2K
B
Does a Faraday Cage trap EMF inside and increase exposure?
Oct 20, 2022
Replies
5
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2K
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Faraday cage made of a real conductor
Oct 20, 2022
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3
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1K
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Can I send an electromagnetic wave to a specific point?
Oct 20, 2022
Replies
3
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2K
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Where do discontinuities in the electromagnetic field occur?
Oct 19, 2022
Replies
2
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1K
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Are EM signals also analytical backwards in time?
Oct 15, 2022
Replies
6
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1K
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Homopolar generator question: Magnetic “wake”
Oct 14, 2022
Replies
7
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3K
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Can Current Density Static Create an Effective Electromagnetic Shield?
Oct 13, 2022
Replies
3
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1K
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A question about current density in finite element analysis
Oct 7, 2022
Replies
2
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2K
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Relationship between magnetic potential and current density in Maxwell
Oct 5, 2022
Replies
2
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2K
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Some questions about how electrical transformers work
Sep 28, 2022
Replies
9
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2K
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Biological examples of a Biot-Savart law in magnetostatics?
Sep 27, 2022
Replies
5
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1K
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Phase Difference of Current & Voltage: Capacitors, Inductors & Complex Numbers
Sep 26, 2022
Replies
8
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2K
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Puzzled about Section 3.12 of Jackson's E&M book
Sep 25, 2022
Replies
18
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2K
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Question about the motion of a charged particle
Sep 21, 2022
Replies
14
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2K
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Tangential electric force at a surface
Sep 21, 2022
Replies
3
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2K
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Question regarding Laplace's Equation for regions with charges
Sep 21, 2022
Replies
11
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1K
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Approximating integrals of Bessel functions
Sep 21, 2022
Replies
2
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1K
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Is electromotive force always equal to potential difference?
Sep 19, 2022
Replies
9
Views
2K
A
Power consumed by electron gun
Sep 12, 2022
Replies
26
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3K
I
Defining the Forces from Magnetic Fields and Electric Fields
Sep 1, 2022
Replies
4
Views
1K
I
How do I find the Direction of an induced electric field?
Aug 29, 2022
Replies
10
Views
2K
I
Is there traction force between moving electrons & copper wire?
Aug 28, 2022
Replies
6
Views
1K
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Can visible light cause fluorescence in colorful objects?
Aug 27, 2022
Replies
13
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2K
I
How Does the Maxwell-Faraday Law Apply to Stealth Magnets and EMF Induction?
Aug 25, 2022
Replies
27
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2K
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Why can't objects be seen if the wavelength is too long?
Aug 22, 2022
Replies
20
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3K
B
Calculating Force on an Iron Object with Magnetic Field
Aug 19, 2022
Replies
21
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4K
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Faraday induction in constant B field, with non-conduction wires
Aug 19, 2022
Replies
2
Views
1K
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Inductor questions (generate a voltage opposing the source voltage?)
Aug 3, 2022
2
Replies
59
Views
4K
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Magnetic field strength of a stack of magnets
Aug 2, 2022
Replies
7
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4K
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Can current flow in an open circuit?
Jul 30, 2022
Replies
4
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3K
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Electric Field & Interplay between Coordinate Systems | DJ Griffiths
Jul 27, 2022
Replies
8
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2K
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Two molecules with different polarizability in an EM field
Jul 26, 2022
Replies
4
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1K
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How an induced electric dipole vibrates with EM field
Jul 26, 2022
Replies
10
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2K
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Rayleigh scattering -- What is the true reason for the color of the sky?
Jul 25, 2022
2
Replies
57
Views
5K
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A smaller cross-sectional area increases the resistance of a conductor?
Jul 23, 2022
Replies
7
Views
2K
I
Electric field of a moving charge that's abruptly stopped
Jul 21, 2022
Replies
2
Views
2K
I
Helmholtz's theorem and charge density
Jul 19, 2022
Replies
2
Views
1K
Insights
A Physics Misconception with Gauss’ Law
Jul 19, 2022
Replies
5
Views
4K
What Is the Coulomb Gauge in Electromagnetic Theory?
Jul 18, 2022
Replies
3
Views
25K
Ultra high magnetic fields using carbon nanotubes
Jul 15, 2022
Replies
1
Views
11K
B
Switch-to-lightbulb wire delay
Jul 11, 2022
Replies
5
Views
2K
I
What makes a plasma collisionless?
Jul 7, 2022
Replies
1
Views
1K
The difference between diamagnetism and paramagnetism?
Jul 6, 2022
Replies
2
Views
11K
B
Are magnetic fields generated through radio frequencies?
Jul 3, 2022
Replies
16
Views
2K
I
Can an insulator reflect radiowaves?
Jun 16, 2022
Replies
17
Views
2K
Who defined the positive direction of the magnetic field?
Jun 13, 2022
Replies
35
Views
29K
I
On the derivation of Child-Langmuir law
Jun 10, 2022
Replies
6
Views
3K
I
How could electric susceptibilbility depend on position?
Jun 7, 2022
Replies
3
Views
1K
I
How to emit 3.2 micrometer wavelength
Jun 4, 2022
Replies
12
Views
2K
I
Antenna inductance calculation (RFID applications, inductive coupling)
Jun 1, 2022
Replies
6
Views
2K
I
Exploring Newton's Third Law in an Imaginary Magnetic Field
May 31, 2022
Replies
4
Views
2K
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Dipole moment of a cylinder of uniform polarization
May 30, 2022
Replies
10
Views
2K
I
When does the second uniqueness theorem apply?
May 27, 2022
Replies
12
Views
1K
I
Derivation of the magnetic flux in coaxial cable
May 23, 2022
Replies
26
Views
3K
I
How does a ferromagnet increase the inductance of an inductor?
May 21, 2022
Replies
3
Views
2K
I
Derivation of induced voltage in loop
May 20, 2022
Replies
32
Views
3K
I
A question about the Second Uniqueness Theorem in electrostatics
May 19, 2022
Replies
11
Views
1K
I
Molten metal flow due to high currents
May 18, 2022
Replies
10
Views
1K
I
The second uniqueness theorem in electrostatics
May 18, 2022
Replies
5
Views
2K
I
Retarded potential of a moving point charge
May 18, 2022
Replies
10
Views
2K
I
Electric motor with increased load
May 16, 2022
Replies
2
Views
1K
I
Coulomb's law for steady currents
May 16, 2022
Replies
10
Views
1K
I
Does electron beam in empty space generate magnetic fields?
May 14, 2022
Replies
7
Views
2K
A
Maxwell equation. Commuting time and spatial derivatives.
May 14, 2022
Replies
1
Views
973
A
Calculation of EM fields induced by an antenna in the near field
May 9, 2022
Replies
11
Views
2K
I
Calculating Total Electric Charge with a Capacitor and Battery
May 7, 2022
Replies
42
Views
4K
B
How does the propagation of light work? How much time does it take?
May 6, 2022
Replies
6
Views
1K
I
Calculation of electric flux on trapezoidal surface
May 5, 2022
Replies
11
Views
2K
I
Average Magnetic Field Between 2 Conducting Rods
May 3, 2022
Replies
1
Views
1K
I
Force exerted by an iron core electromagnet on a ferrofluid
May 2, 2022
Replies
2
Views
2K
A
Variation of Energy for Dielectrics (Zangwill's Electrodynamics)
Apr 30, 2022
Replies
3
Views
1K
I
Electric field is zero in the center of a spherical conductor
Apr 28, 2022
Replies
44
Views
4K
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