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Sunspots are magnetic features on the Sun. In what arrangement do they always occur?

AAs isolated north magnetic poles only
BAs isolated south magnetic poles only
CIn groups of three like magnetic poles
DIn pairs of north and south magnetic poles
Answer & Solution
Correct answer: D. In pairs of north and south magnetic poles
1. Magnetic poles always occur in north and south pairs, on every scale. 2. Sunspots always occur in pairs that are north and south magnetic poles. 3. An isolated pole of either sign would be a magnetic monopole, which is never observed. 4. A group of three like poles is ruled out for the same reason, since poles come two at a time. _Source: OpenStax College Physics (CC BY 4.0), Ch 22 "Magnetism", section 22.1 Magnets_
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