Which of the following equations represents the voltage-pressure relationship in a piezoelectric transducer?
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A.
V = gPt
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B.
V = P/gt
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C.
V = g/Pt
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D.
V = gP/t
Correct Answer:
A. V = gPt
Explanation:
The equation representing the relationship between output voltage (V), the piezoelectric voltage constant (g), applied pressure (P), and the thickness of the crystal (t) is V = gPt. In this relationship, the voltage generated is directly proportional to the voltage constant of the material, the amount of mechanical pressure exerted, and the distance between the electrodes (thickness). This formula is fundamental for calculating the electrical response of a piezoelectric transducer when it is subjected to mechanical stress.
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