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Tension in a String

A piezoelectr...

Question

A piezoelectric type 50 MPa full-scale pressure sensor with built-in electronics has a sensitivity of 100 mV per MPa. If this sensor is subjected to a static pressure of 10 MPa then its output will be

A

0 m V

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B

100 m V

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C

1000 / \sqrt{2} m V

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D

1000 m V

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Solution

The correct option is A $0 m V$
A piezoelectric type transducer only responds to the dynamic inputs. For static inputs, the output of the piezoelectric sensor is zero.

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