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.
The difference between rabbits and hares appears at the moment they are born. First of all baby-rabbits are called kittens, while baby-hares are called leverets. Rabbits are born completely helpless, naked and blind (photos a, b). Hares are born fully furred, able to see and capable of independent movement(photos c, d).