A strain gauge with 120 resistance for no strain has a gauge factor, . It is use

Question

A strain gauge with 120  resistance for no strain has a gauge factor,  .  It is used in the bridge circuit shown below.

a) What is the gauge resistance for a strain of   ?

b) What is the bridge output for this strain?

c) Derive an equation for the bridge output in terms of strain.

d) Develop a

A strain gauge with 120 resistance for no strain has a gauge factor, . It is used in the bridge circuit shown below. What is the gauge resistance for a strain of ? What is the bridge output for this strain? Derive an equation for the bridge output in terms of strain. Develop a "straight line" sensor model using the equation from part c about the operating strain of and include the Scale Factor and Bias. Note: this is not truly a linear system The strain gauge is fixed to a shaft of 5 cm. In length. Construct a block diagram for the "perturbed" sensor model about the operating strain of that defines the relationship ; i.e. with as the input and as the output. What is the output voltage, , for in input perturbation, , of 0.001cm?

Explanation / Answer

please give the gauge factor for solving ! and the strain in the first " a "part of the question !

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