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Physics 16 Online
OpenStudy (anonymous):

i have 2 identical bars one is iron other is magnet i can use only by hand....how can i find which one is magnet?

OpenStudy (anonymous):

Take turns to touch the center of the bars with the end of the other bar. For example: |dw:1406552701217:dw| The bar that is the magnet does not attract at the centre as magnets are only magnetic at their poles.

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