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Measurements & InstrumentationStrain Measurement

The gauge factor of a resistive strain gauge is defined as?

  • AFractional change in resistance divided by strain
  • BStrain divided by resistance
  • CResistance multiplied by strain
  • DVoltage divided by current
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Correct Answer: A. Fractional change in resistance divided by strain
Explanation: Gauge factor GF=(ΔR/R)/ε, where ε is mechanical strain.
Reference: Standard measurements and instrumentation: strain measurement
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