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Which of the following parameter is measured by strain gauge?

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Which of the following parameter is measured by strain gauge?

(a) temperature

(b) displacement

(c) height

(d) pressure

I got this question during an online exam.

My question comes from Implantable Telemetry Systems in division Biomedical Telemetry of Biomedical Instrumentation

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Correct option is (d) pressure

To explain: Strain gauge is used to measure pressure. There are two types of strain gauges. Bounded strain gauge and unbounded strain gauge. Its working principle is a change in resistance. Mostly used to measure the arterial and venous blood pressure in the body.

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