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← ScienceWhich effect results when a radio-frequency wave's peak power constraint is exceeded in a MRI machine's gradient coil?
A)Gradient coil overheating and damage✓
B)Increased signal-to-noise ratio artifacts
C)Improved tissue contrast enhancement
D)Reduced acquisition scan imaging time
💡 Explanation
Gradient coil overheating occurs because exceeding the peak power leads to excessive resistive heating; the *Joule heating* mechanism causes the coil's temperature to rise, therefore coil damage is the outcome, rather than improved imaging effects under safe operating parameters.
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