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← ScienceWhich outcome occurs when temperature significantly deviates from calibrated conditions for a pressure transducer?
A)Zero shift due to thermal expansion✓
B)Span error due to material yielding
C)Non-linearity from Wheatstone bridge imbalance
D)Hysteresis from increased surface friction
💡 Explanation
When temperature deviates, thermal expansion causes a zero shift because mechanical structure supporting the strain gauges expands and contracts unevenly, offsetting the baseline output voltage. Therefore, a zero shift results, rather than other errors like span, non-linearity or hysteresis which require related but distinct material properties.
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