All Questions
5
questions
2
votes
2
answers
378
views
Dielectric and dipole
When a molecule of a dielectric material is placed in an electric field, the molecule acquires an electric dipole moment. Why?
- 41
2
votes
0
answers
57
views
Do neutral atoms have an electric field? [duplicate]
The charge of an atom is the sum of its nuclear charges (protons and electrons). If a atom is neutral, does it mean it does not have an net electric field?
I thought about this a lot, here is some of ...
- 139
8
votes
3
answers
4k
views
Electric field due to a hydrogen atom
Electric field due to two opposite charges
According to the answers in the previous questions,
if you separate the two charges from each other, they will produce a non-zero electric field ...
- 122
8
votes
4
answers
2k
views
Why does an atom in an oscillating electric field behave like an electric dipole?
How can I understand that an atom subjected to an oscillating electric field (e.g., $\vec{E}=\hat{i} E_0\cos\omega t$) behaves like an oscillating electric dipole? What is the underlying picture that ...
- 11.8k
14
votes
3
answers
7k
views
Is there an electric field around neutral atoms?
Even if the atom is neutral (equal numbers of protons and electrons), the electrons and nucleus form an electrical dipole, so there is still an electric field around them, even though the total charge ...
- 165