Question

When the south pole of a magnet approaches this iron nail from the left, what happens to its domains?

A. All the arrows align to point left.
B. All the arrows align to point right.
C. All the arrows align to point up.
D. All the arrows align to point down.

Answer 1

Answer:

Option B.

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Answer 2

Option C is correct.

C. All the arrows align to point up.

• The magnetic force is in the same direction as the magnetic lines pulling from the north pole to the south pole.
• The number of magnetic domains, which are regions of matter where a single magnetic moment varies in amplitude and direction, is determined by the total energy loss of the system.
• They show that as the south pole of the magnet approaches the nail, the different magnetic domains increasingly attract each other. The North Pole is usually an arrowhead.
• Due to their attraction to the South Pole of the magnet, many arrows begin to point upwards. In summary, using the characteristics of the poles of the magnet, we can correctly determine that all the arrows align to point up when south pole of a magnet approaches this iron nail from the left .

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