A strain gauge has gauge factor 2.0 and is subjected to strain 500 microstrain. The fractional resistance change ΔR/R is?

  • A0.00025
  • B0.001
  • C0.002
  • D0.01
Report an error
Correct Answer: B. 0.001
Explanation: ΔR/R=GF×strain=2×500×10^-6=0.001.
Reference: Standard measurements and instrumentation: strain gauge