Numerical- Gauge factor for given strain & variation in resistance

Q.  During a test, the strain gauge with resistance of 200 ohm undergoes a change of 0.120 ohm and the strain of the gauge is 1.2 X10-4. Then the gauge factor will be
- Published on 05 Nov 15

a. 4
b. 5
c. 4.5
d. 6

ANSWER: 5

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