This potential difference is called built-in potential. After joining p-type and n-type semiconductors, electrons from the n region near the pân interface tend to diffuse into the p region. As electrons diffuse, they leave positively charged ions (donors) in the n region.
Many people think that a baby rabbits is called a bunny, but this is actually just an affectionate nickname for rabbits, and not the correct English name for rabbit babies. So if baby rabbits are not called bunnies, then what are baby rabbits called? The correct term for a baby rabbit is kitten, often shortened to kit.
Report Abuse. A female rat or mouse is called a doe. A male is called a buck. Babies are called kittens or pups (I prefer to call them pups). When they are newborns and don't have any hair yet they are called pinkies. A group of babies is called a litter. Source(s): I've had pet rats for years.