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.
A baby hedgehog is called a hoglet. This name has been in use since the early 1990s. They are sometimes called hedgehoglets. Before the 1990s, hedgehog babies were referred to as pups, urchins, kits or piglets. The term urchin is also popular today. Here are some facts about European hoglets and hedgehog families.