Clarification on electric quadrupole moment definition
8766
Traceless multipole moments vs non-traceless moments
52248
Why does the direction of a dipole moment go from negative to positive charge?
50920
Is there an electric field around neutral atoms?
90250
Two explanations of non-zero atomic radius
118598
Question about Coulomb's law
29857
Why is this not a violation of parity invarance for EM
142247
Difference between electric field $\mathbf E$ and electric displacement field $\mathbf D$
81980
Sign of Work and potential energy in electrostatics
54548
Expectation value for $\frac{1}{r}$ in the $|nlm\rangle$ state of hydrogen
138883
How to get the fourth component of EOM in a relativistic formulation of a charged particle in an electromagnetic field?
99194
Scale invariance symmetry as a simple argument in an electrostatics problem
18456
What is the physical significance of the off-diagonal moment of inertia matrix elements?
127297
Covalent bonds are EM (electrostatic/electronegativity) or not?
82746
Confusion regarding the direction of an electric field
121961
The magnetic moment of a particle (and a neutrino)
158635
How to understand moments for a random variable?
25262
Why can we apply the $E=hf$ equation for electrons?