Question

4.1.4 quiz: magnetism
question 2 of 10
what causes magnetic domains?
a. magnetic fields of atoms aligning
b. iron being placed near a magnet
c. magnetic poles of magnets attracting each other
d. electricity moving through iron

Explanation:

Magnetic domains are regions within a magnetic material where the magnetic fields of atoms are aligned. When atoms' magnetic fields align, it forms these domains. Option B (iron near a magnet) is about magnetization of iron, not the cause of domains. Option C (magnet poles attracting) is about magnet - magnet interaction. Option D (electricity through iron) relates to electromagnetism, not the fundamental cause of magnetic domains.

Answer:

A. Magnetic fields of atoms aligning