Question

A student uses a bar magnet to pick up a nail. He then touches the tip of the nail to some staples. Why do some of the staples stick to the nail? The nail and the bar magnet are now both permanent magnets. The nail has become a temporary magnet, while the bar magnet remains a permanent magnet. The nail has become a permanent magnet, while the bar magnet has become a temporary magnet. The nail and the bar magnet are now both temporary magnets.

the answer is the nail has become a temporary magnet

Answer 1

B, The nail becomes a temp. magnet while the bar magnet remains a permanent magnet

Step-by-step explanation:

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Answer 2

The nail has become a temporary magnet, while the bar magnet remains a permanent magnet.

Step-by-step explanation:

• When the bar magnet takes off the nail, it magnetizes the nail. The fingerprint domains are temporarily aligned in one direction and act as a magnet. The nail becomes a temporary magnet. Therefore, when the tip of the nail hits a few staples, the lead attracts the nail and sticks to it.
• so correct option is b. The nail has become a temporary magnet, while the bar magnet remains a permanent magnet.