If an applied compressive force changes the strain gage to 88.89 2, what is the output voltage?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Quarter-bridge strain gauge circuit
R2
+ Vout –
strain gauge
E
R4
The Wheatstone bridge shown has the following values:
E = 15 V
R1 = 100 2
R2 = 100 2
R3 = 100 2
R4 = 100 2 (strain gage)
If an applied compressive force changes the strain gage to 88.89 2, what is the output voltage?
No label, no unit, just the number.
Transcribed Image Text:Quarter-bridge strain gauge circuit R2 + Vout – strain gauge E R4 The Wheatstone bridge shown has the following values: E = 15 V R1 = 100 2 R2 = 100 2 R3 = 100 2 R4 = 100 2 (strain gage) If an applied compressive force changes the strain gage to 88.89 2, what is the output voltage? No label, no unit, just the number.
Quarter-bridge strain gauge circuit
...
R1
R2
+ Vout –
strain gauge
E
R4
The Wheatstone bridge shown has the following values:
R2 = 65 2
R3 = 40 N
R4 = 100 2 (strain gage)
What must be the value of R1 to start with a balanced condition?
No label, no unit, just the number.
Transcribed Image Text:Quarter-bridge strain gauge circuit ... R1 R2 + Vout – strain gauge E R4 The Wheatstone bridge shown has the following values: R2 = 65 2 R3 = 40 N R4 = 100 2 (strain gage) What must be the value of R1 to start with a balanced condition? No label, no unit, just the number.
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