Read the following statements regarding a piezoelectric transducer and select which is/are correct.
A. The use of piezoelectric transducer element is confined primarily to dynamic measurement.
B. Piezoelectric material, used in an underwater detection system, is known as sonar.
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A.
Only B
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B.
Only A
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C.
Neither A nor B
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D.
Both A and B
Correct Answer:
D. Both A and B
Explanation:
Both statements are correct. Piezoelectric transducers are primarily limited to dynamic measurements because the electrical charge generated by mechanical stress leaks away over time through the internal resistance of the sensor and the connected electronics, making them unsuitable for static or constant pressure. Additionally, piezoelectric materials are fundamental components in sonar systems, where they function as both transmitters to create underwater sound waves and receivers to detect the returning echoes.
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