A strain gauge with GF=2.97 and RA = 5002 is used in the bridge in Figure Q1. The bridge resistors are R1 = R2 = 5002 and the dummy gauge has Rp = 5002. If a strain of 1200 µm/m is applied, find the bridge offset voltage given that V, = 15V. If a new strain gauge with GF = 2.16 is used to replace the existing one, how much strain is needed to produce the same offset voltage? R1 R2 RD RA 는

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A strain gauge with GF=2.97 and Ra = 5002 is used in the bridge in Figure Q1. The bridge
resistors are R1 = R2 = 5002 and the dummy gauge has Rp = 5002. If a strain of 1200 um/m
is applied, find the bridge offset voltage given that V, = 15V. If a new strain gauge with GF =
2.16 is used to replace the existing one, how much strain is needed to produce the same offset
voltage?
R1
R2
Vs
Rp
RA
Transcribed Image Text:A strain gauge with GF=2.97 and Ra = 5002 is used in the bridge in Figure Q1. The bridge resistors are R1 = R2 = 5002 and the dummy gauge has Rp = 5002. If a strain of 1200 um/m is applied, find the bridge offset voltage given that V, = 15V. If a new strain gauge with GF = 2.16 is used to replace the existing one, how much strain is needed to produce the same offset voltage? R1 R2 Vs Rp RA
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