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Which effect occurs within a MRI machine when its strong gradient magnetic fields switch rapidly?

A)Eddy current induction in conductors
B)Paramagnetic spin alignment saturates quickly
C)Ferrofluid overheating becomes uncontrolled
D)Radiofrequency pulse amplitude decreases exponentially

💡 Explanation

Eddy currents are induced because Faraday's law causes circulating currents within any conductive material exposed to a changing magnetic field. Therefore, conductive parts heat up, rather than parameter saturation or RF power dropping because the issue is electromagnetic induction.

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