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3. How will you identify the polarity of an unmarked magnet?
A. Using a charged glass stirring rod.
C. Using an iron filings.
B. Using an improvised compass
D. Using a gold-leaf electroscope​


Sagot :

QUESTION:

3. How will you identify the polarity of an unmarked magnet?

ANSWER:

A. Using a charged glass stirring rod.

Explanation:

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