A parallel plate capacitor transducer has plate area of 500 mm2 and air separation of 0.5 mm is used to measure displacement of an object coupled to one plate of capacitor. Find capacitance when displacement is 0.1 mm. Also find sensitivity of transducer. Assume E = 8..85 .x 10-12 F/m.

Physics for Scientists and Engineers
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Author:Raymond A. Serway, John W. Jewett
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Chapter25: Capacitance And Dielectrics
Section: Chapter Questions
Problem 5P: A variable air capacitor used in a radio tuning circuit is made of N semicircular plates, each of...
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Example 2
A parallel plate capacitor transducer has plate area of
500 mm? and air separation of 0.5 mm is used to
measure displacement of an object coupled to one plate
of capacitor. Find capacitance when displacement is 0.1
mm. Also find sensitivity of transducer.
Assume E = 8..85 .x 1-12 F/m.
Transcribed Image Text:Example 2 A parallel plate capacitor transducer has plate area of 500 mm? and air separation of 0.5 mm is used to measure displacement of an object coupled to one plate of capacitor. Find capacitance when displacement is 0.1 mm. Also find sensitivity of transducer. Assume E = 8..85 .x 1-12 F/m.
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