What is Strain gauge?

Q.  Strain gauge is a
- Published on 14 Sep 15

a. Active device and converts mechanical displacement into a change of resistance
b. Passive device and converts electrical displacement into a change of resistance
c. Passive device and converts mechanical displacement into a change of resistance
d. Active device and converts electrical displacement into a change of resistance

ANSWER: Passive device and converts mechanical displacement into a change of resistance

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