ehaves differently from the piece of of the suspended magnet which moves away from the bar. soft iron, for when the magnet was removed from the latter With the magnetometer we may, therefore, determine the the iron filings dropped from its end, but in the case of the name of the pole of a magnet by… … say, it remains magnetized only while in contact with the magnet. On the other hand, the needle is permanently mag- netized by induction; that is, it remains magnetized after the magnet has been removed from it. This difference in the after effects of induction on soft iron and steel is best that…
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