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Electromagnetism
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Is Biot-Savart Law valid for time-varying currents unlike Ampere's law?
March 17th, 2020
magnetostatics
electromagnetism
Will molten iron stick to a magnet?
May 10th, 2020
electromagnetism
thermodynamics
The signature of the metric and the definition of the electromagnetic tensor
June 6th, 2021
electromagnetism
special-relativity
metric-tensor
tensor-calculus
conventions
Physical meaning of Maxwell's equations and origin of EM waves
August 1st, 2022
electromagnetism
electromagnetic-radiation
maxwell-equations
Why are most ferromagnets metals while antiferromagnets are insulators?
August 1st, 2022
electromagnetism
condensed-matter
solid-state-physics
What is the experimental evidence that light is an electromagnetic wave?
August 13th, 2022
electromagnetism
electromagnetic-radiation
maxwell-equations
Derivation of the speed of light using the integral forms of Maxwell's Equations
December 17th, 2020
homework-and-exercises
electromagnetism
speed-of-light
maxwell-equations
What is the physical meaning of Wilson loops?
August 1st, 2022
electromagnetism
gauge-theory
wilson-loop
Relativistic resistance transformation
June 7th, 2020
electromagnetism
special-relativity
electrical-resistance
The equivalent electric field of a magnetic field
June 12th, 2020
special-relativity
electromagnetism
Trouble with the Lorentz law of force: Incompatibility with special relativity and momentum conservation?
August 1st, 2022
special-relativity
momentum
conservation-laws
classical-electrodynamics
electromagnetism
Coulomb's Law: why is $k = \dfrac{1}{4\pi\epsilon_0}$
August 1st, 2022
electromagnetism
unit-conversion
coulombs-law
Why does Griffiths's book say that there can be no surface current since this would require an infinite electric field for an incident wave?
October 14th, 2020
boundary-conditions
conductors
electromagnetism
electric-current
classical-electrodynamics
Why does an accelerated charge radiate away energy?
September 6th, 2020
quantum-mechanics
electromagnetism
electromagnetic-radiation
acceleration
charge
How do electromagnetic waves carry energy?
July 8th, 2020
electromagnetism
energy
electromagnetic-radiation
photons
frequency
Decomposition of a vectorial field in free-curl and free-divergence fields
December 22nd, 2020
electromagnetism
gauge-theory
vector-fields
How would I go about detecting monopoles?
August 1st, 2022
electromagnetism
soft-question
measurements
magnetic-monopoles
Understanding the diagrams of electromagnetic waves
August 18th, 2022
electromagnetism
electromagnetic-radiation
Mechanism by which electric and magnetic fields interrelate
August 1st, 2022
electromagnetism
relativity
electric-fields
magnetic-fields
Why is the speed of light in a medium smaller than its value in vacuum?
January 27th, 2021
electromagnetism
optics
electromagnetic-radiation
speed-of-light
refraction
Why are magnetic field lines perpendicular to the surface of a ferromagnetic material?
September 26th, 2020
electromagnetism
magnetic-fields
Why is the electric field created by a battery non-conservative?
January 2nd, 2020
electromagnetism
electric-circuits
batteries
electrochemistry
conservative-field
Will two magnets lose magnetism if they stick to each other for infinitely long time?
March 12th, 2020
electromagnetism
electrostatics
How do 2 magnets spin by themselves if positioned precisely?
October 7th, 2022
electromagnetism
magnetic-fields
Why are $\mu_0$ and $\epsilon_0$, which appear in electrostatics and magnetostatics, related to the speed of light which appears in electrodynamics?
July 26th, 2020
electricity
speed-of-light
physical-constants
electromagnetism
Why does electrical current start to flow?
March 4th, 2020
electric-circuits
electric-current
electrical-resistance
conductors
electromagnetism
Exterior (covariant) derivatives and electromagnetism
August 1st, 2022
electromagnetism
general-relativity
differential-geometry
curvature
maxwell-equations
How is bound charge and free charge possible?
January 16th, 2021
electromagnetism
charge
classical-electrodynamics
dielectric
Do permanent magnets emit virtual photons?
August 17th, 2020
electromagnetism
virtual-particles
Why don't black holes form from forces other than gravity?
August 1st, 2022
electromagnetism
forces
black-holes
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