An iron nail is attracted to one end of a bar magnet.
Which statement explains why the iron nail is attracted to the magnet?
The bar magnet is a permanent magnet, and an opposite pole has been induced at the top of the nail.
The bar magnet is a permanent magnet, and the same pole has been induced at the top of the nail.
The bar magnet is a temporary magnet, and an opposite pole has been induced at the top of the nail.
The bar magnet is a temporary magnet, and the same pole has been induced at the top of the nail.