Strain Gauge MCQs

Practice Strain Gauge MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Measurements & InstrumentationStrain Gauge

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

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Correct Answer: B. 0.001

Explanation: ΔR/R=GF×strain=2×500×10^-6=0.001.

Reference: Standard measurements and instrumentation: strain gauge

Question 2

Measurements & InstrumentationStrain Gauge

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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