Q320
A capacitance transducer uses two quartz diaphragms of area 750 mm2 separated by a distance 3.5 mm. The capacitance is 370 pF. When a pressure of 900 kN/m2 is applied, the deflection is 0.6 mm. The capacitance at this pressure would be:
A.
619 pF
B.
447 pF
AnswerC.
325 pF
D.
275 pF
Answer: Option B
Solution
Answer: Option B
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