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Measurements & InstrumentationStrain Gauge

For a 120 ohm strain gauge with gauge factor 2 and strain 500 microstrain, the resistance change is?

  • A0.012 ohm
  • B0.12 ohm
  • C1.2 ohm
  • D12 ohm
Report an error
Correct Answer: B. 0.12 ohm
Explanation: ΔR=R×GF×strain=120×2×500×10^-6=0.12 ohm.
Reference: Standard measurements and instrumentation: strain gauge
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