As I have read online, temporary dipoles occur due to the random fluctuations of the electron cloud. The electrons move randomly to one side of the molecule creating a negative partial charge while the nucleus is "left on its own" on the other side - creating a partial positive charge.
My question is : If there is a permanent dipole , won't that stop the electrons from moving wherever they want ? They would be fixed to a certain region, right?
The only solution I see is that the "permanent dipole" isn't really permanent. Could it be that it fluctuates as well? That would allow the electrons to move around and create temporary dipoles.