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Which consequence emerges when pulsed electromagnetic interference disables spin alignment within a ferromagnetic data tape?

A)Data loss via magnetic erasure
B)Tape head demagnetization
C)Increased motor torque required
D)Thermal runaway in write circuitry

💡 Explanation

Data loss occurs because the *exchange interaction* maintains spin alignment for data storage; because this interaction is disrupted, the magnetic domains randomize, therefore erasing data rather than permanently damaging recording heads, as the pulse's primary effect is magnetic disorder.

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