Question 1

A strain gauge has a nominal resistance of 350 \Omega with a gauge factor of GF=1.8 and senses axial strain. The gauge is mounted on a 1.0 cm^2 aluminum rod (Modulus = 70 GPa). Output voltage is measured as E_o = 1.0 mV and the circuit is supplied at E_i = 5.00V. Solve: Assuming the bridge is balanced at no load, calculate the applied load, assuming uniaxial tension. Enter the load in N. You can assume that the gauge is arranged such that a uniaxial load will produce a positive change in voltage.

Question 2

Answer:

The applied load = 3111 N

Step-by-step explanation:

See the attached files for the calculation

$A strain gauge has a nominal resistance of 350 \Omega with a gauge factor of GF=1.8 and-example-1$

$A strain gauge has a nominal resistance of 350 \Omega with a gauge factor of GF=1.8 and-example-2$

$A strain gauge has a nominal resistance of 350 \Omega with a gauge factor of GF=1.8 and-example-3$

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