Chemical Engineering - Process Control and Instrumentation - Discussion
Discussion Forum : Process Control and Instrumentation - Section 2 (Q.No. 20)
20.
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.
Discussion:
2 comments Page 1 of 1.
Lokesh Bonagiri said:
5 years ago
Resistance is directly proportional to length/area.
(1)
Abhijeet v deshmukh said:
1 decade ago
In case of strain gauge if length of conductor increases then its resistance increases & diameter decreases.
The strain gauge works on principle R=resistivity*length/area.
The strain gauge works on principle R=resistivity*length/area.
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