A single element strain gauge bridge has two fixed resistances ___

A single element strain gauge bridge has two fixed resistances R1 and R1 of 120 Ω each and a variable resistance which gives full deflection at 120 Ω for zero strain and 120.6 Ω for straine e.

If gauge factor is 2, strain e is

A. 0.0025
B. 0.0035
C. 0.005
D. 0.0075

Show Answer

Answer: A

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