The polarity of an unmarked horse shoe magnet can be determined by using—
2015
The polarity of an unmarked horse shoe magnet can be determined by using—
- A.
A charged glass rod
- B.
A magnetic compass
- C.
An electroscope
- D.
None of these
- E.
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Correct answer: B
An unmarked horseshoe magnet's polarity can be identified using a magnetic compass, because the compass needle aligns with the magnetic field and indicates north-south direction.