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Which outcome results when a ferromagnetic read head exceeds coercivity?

A)Data corruption occurs on writable storage
B)Head temperature decreases without thermal runoff
C)Increased signal fidelity from flux reversal
D)Improved write resolution on the medium

💡 Explanation

Data corruption occurs because exceeding coercivity causes domain flipping in the head via ferromagnetic hysteresis, thus misinterpreting magnetic orientations during reads; therefore erroneous data is read, rather than proper data interpretation due to correct alignment.

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