alleryA compass needle is in fact a small:
ABent nail
BBar magnet
CBare wire
DBrass rod
Answer & Solution
Correct answer: B. Bar magnet
1. A compass needle is deflected when brought near a bar magnet.
2. That is because the needle is itself a small bar magnet.
3. Its ends point approximately north and south.
_Source: syllabus Science, Ch 13 'Magnetic Effects of Electric Current'_
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