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N.G.Tyson

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144

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Why would spacetime curvature cause gravity?

general-relativity gravity spacetime differential-geometry curvature

May 4 '15 at 16:43 Calmarius 7,268

9

votes

4

answers

22k

views

Electric field on the surface of a charged sphere

electrostatics symmetry electric-fields gauss-law singularities

Apr 23 '16 at 13:48 Anubhav Goel 1,982

5

votes

1

answer

529

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Confusion in Maxwell's derivation of Ampere's Force Law - Part II [closed]

homework-and-exercises electromagnetism maxwell-equations

Jun 1 '16 at 13:30 N.G.Tyson 688

4

votes

3

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199

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Why doesn't $\vec{E} =\frac{1}{4\pi\epsilon_0} \int\frac{\rho \hat{r}\;dxdydz}{r^2}$ blow up at $r=0$, when $\rho$ is finite?

homework-and-exercises electrostatics coordinate-systems integration singularities

Jan 11 '16 at 19:05 Qmechanic♦ 143k

3

votes

1

answer

353

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Is Gauss electric flux law valid in all coordinate systems?

electrostatics coordinate-systems gauss-law

Nov 3 at 5:01 Community♦ 1

2

votes

1

answer

273

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Confusion in Maxwell's derivation of Ampere's Force Law

electromagnetism

Jun 1 '16 at 13:35 N.G.Tyson 688

2

votes

0

answers

155

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Confusion in reaction force of Ampere's Force Law [closed]

homework-and-exercises electromagnetism forces classical-electrodynamics maxwell-equations

Jun 28 '16 at 13:36 N.G.Tyson 688

2

votes

2

answers

146

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Why is $ \nabla \cdot \vec{E} \neq 4 \pi\ k$ times the charge density?

electrostatics electric-fields charge gauss-law

Nov 21 '18 at 17:21 Emilio Pisanty 114k

2

votes

1

answer

106

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An absurd consequence of magnetic field as an axial vector

electromagnetism forces magnetic-fields vectors magnetostatics

Jul 25 '19 at 12:34 my2cts 16k

1

vote

1

answer

697

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Flow of current in open circuit

electricity electric-circuits electric-current charge classical-electrodynamics

Nov 13 '16 at 15:02 Community♦ 1

0

votes

0

answers

86

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Equivalence of two equations of force on a magnet in a magnetic field

electromagnetism forces magnetic-fields electric-circuits classical-electrodynamics

Oct 6 '16 at 14:41 Community♦ 1

0

votes

2

answers

202

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Definition of magnetic field

electromagnetism magnetic-fields definition magnetic-monopoles

Sep 14 '18 at 15:04 Community♦ 1

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