A strain measurement device is constructed using a Wheatstone bride operating in the null method. The sensor is in position 1. V₁ = 10.000+0.0005 V. Note how precise this is! R₁ = resistance of the sensor with no strain. R₁' = resistance of the sensor when strained. SR = change in resistance of the sensor due to strain. R2 = 120.00 ± 0.005 2. Again, very precise! R3 = resistance of the variable resistor, which is varied to balance the bridge. R44.7 ks. Its exact value is not required. Vs B 1. R₁ R₂ iG A A D m Make a MATLAB code to complete the following questions. TURN IN YOUR CODE. DO NOT round any of the answers for the questions below until 7(e). I will ignore sig figs until 7(e). Do not round your answers in order to produce an accurate final calculation. Vc = voltage at the point C = voltage across resistor 4. GF = 2.1, is the gain factor of the strain gauge. Assume there is no uncertainty in this value (AGF = 0). € = strain, which should be presented in ue. e.g. If € = 5x105, write this as € = 50 μe. R3 Derive an expression for R₁ (which will also be valid for R₁') when the bridge is balanced. The expression should be given in terms of R2, R3 and R4. R4 C
A strain measurement device is constructed using a Wheatstone bride operating in the null method. The sensor is in position 1. V₁ = 10.000+0.0005 V. Note how precise this is! R₁ = resistance of the sensor with no strain. R₁' = resistance of the sensor when strained. SR = change in resistance of the sensor due to strain. R2 = 120.00 ± 0.005 2. Again, very precise! R3 = resistance of the variable resistor, which is varied to balance the bridge. R44.7 ks. Its exact value is not required. Vs B 1. R₁ R₂ iG A A D m Make a MATLAB code to complete the following questions. TURN IN YOUR CODE. DO NOT round any of the answers for the questions below until 7(e). I will ignore sig figs until 7(e). Do not round your answers in order to produce an accurate final calculation. Vc = voltage at the point C = voltage across resistor 4. GF = 2.1, is the gain factor of the strain gauge. Assume there is no uncertainty in this value (AGF = 0). € = strain, which should be presented in ue. e.g. If € = 5x105, write this as € = 50 μe. R3 Derive an expression for R₁ (which will also be valid for R₁') when the bridge is balanced. The expression should be given in terms of R2, R3 and R4. R4 C
Introductory Circuit Analysis (13th Edition)
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Publisher:Robert L. Boylestad
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Question
![A strain measurement device is constructed using a Wheatstone bride operating in the null
method.
The sensor is in position 1.
Vs = 10.000+ 0.0005 V. Note how precise this is!
R1 = resistance of the sensor with no strain.
R₁' = resistance of the sensor when strained.
8R = change in resistance of the sensor due to
strain.
R2 = 120.00 +0.005 2. Again, very precise! R3 =
resistance of the variable resistor, which is varied
to balance the bridge.
R44.7 kn. Its exact value is not required.
Vs
B
R₁
1.
R₂
m
İG
A
I will ignore sig figs until 7(e).
Do not round your answers in order to produce an accurate final calculation.
A
D
m
Make a MATLAB code to complete the following questions. TURN IN YOUR CODE.
DO NOT round any of the answers for the questions below until 7(e).
Vc = voltage at the point C = voltage across resistor 4.
GF = 2.1, is the gain factor of the strain gauge. Assume there is no uncertainty in this value
(AGF = 0).
€ = strain, which should be presented in µe. e.g. If € = 5×105, write this as € = 50 μe.
R3
Derive an expression for R₁ (which will also be valid for R₁') when the bridge is
balanced. The expression should be given in terms of R2, R3 and R4.
R4
C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa487fd1f-659d-4c4f-ad85-f8cf24cc282d%2Faed43caf-e30d-47ec-a751-8cc26d35cdf2%2Foe5viqi_processed.png&w=3840&q=75)
Transcribed Image Text:A strain measurement device is constructed using a Wheatstone bride operating in the null
method.
The sensor is in position 1.
Vs = 10.000+ 0.0005 V. Note how precise this is!
R1 = resistance of the sensor with no strain.
R₁' = resistance of the sensor when strained.
8R = change in resistance of the sensor due to
strain.
R2 = 120.00 +0.005 2. Again, very precise! R3 =
resistance of the variable resistor, which is varied
to balance the bridge.
R44.7 kn. Its exact value is not required.
Vs
B
R₁
1.
R₂
m
İG
A
I will ignore sig figs until 7(e).
Do not round your answers in order to produce an accurate final calculation.
A
D
m
Make a MATLAB code to complete the following questions. TURN IN YOUR CODE.
DO NOT round any of the answers for the questions below until 7(e).
Vc = voltage at the point C = voltage across resistor 4.
GF = 2.1, is the gain factor of the strain gauge. Assume there is no uncertainty in this value
(AGF = 0).
€ = strain, which should be presented in µe. e.g. If € = 5×105, write this as € = 50 μe.
R3
Derive an expression for R₁ (which will also be valid for R₁') when the bridge is
balanced. The expression should be given in terms of R2, R3 and R4.
R4
C
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