Measurements and Instrumentation - Engineering

Q1:

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

ANS:A - 0.0025

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