Physics · Magnetism
You are in a room whose geographical directions are unknown to you. You are provided with 10 identical bar magnets, and exactly one pole of one magnet is labelled. What is the minimum number of additional labelled poles required to identify both poles of all 10 magnets?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Three
- 2Two
- 3One
- 4None✓
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