The north pole of a strong magnet is dragged down an iron nail from the top to the point 50 times. What will most likely happen when the nail is brought near a pile of small paper clips?
Answer
A
The nail will not pick up any paper clips because its domains have been aligned.
B
The nail will not pick up any paper clips because its domains are not aligned.
C
The nail will pick up some paper clips because its domains are not aligned.
D
The nail will pick up some paper clips because its domains have been aligned.