A strain gauge forms one arm of the bridg shown in the figure below and has a nomino resistance without any load as R$ = 300. Othe bridge resistances are R₁ = R₂ = R3 = 300 N. The maximum permissible current through the strai gauge is 20 mA. During certain measuremen when the bridge is excited by maximun permissible voltage and the strain gauge resistance is increased by 1% over the nomino value, the output voltage V₁ in mV is Rs www R3 V. + M R₁ R₂

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Q.solve the below question correctly.

A strain gauge forms one arm of the bridge
shown in the figure below and has a nominal
resistance without any load as R$ = 300. Other
bridge resistances are R₁ = R₂ = R3 300. The
maximum permissible current through the strain
gauge is 20 mA. During certain measurement
when the bridge is excited by maximum
permissible voltage and the strain gauge
resistance is increased by 1% over the nominal
value, the output voltage V, in mV is
V₁
Rs
R3
V
+
www
=
R₁
R₂
Transcribed Image Text:A strain gauge forms one arm of the bridge shown in the figure below and has a nominal resistance without any load as R$ = 300. Other bridge resistances are R₁ = R₂ = R3 300. The maximum permissible current through the strain gauge is 20 mA. During certain measurement when the bridge is excited by maximum permissible voltage and the strain gauge resistance is increased by 1% over the nominal value, the output voltage V, in mV is V₁ Rs R3 V + www = R₁ R₂
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