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For the full bridge made of linear strain gauges with gage factor 2 as shown in the diagram, \( R_1 = R_2 = R_3 = R_4 = 100 \, \Omega \) at 0°C and strain is 0. The temperature coefficient of resistance of the strain gauges used is 0.005 per °C. All strain gauges are made of the same material and exposed to the same temperature. While measuring a strain of 0.01 at a temperature of 50°C, the output \( V_o \) in millivolt is \(\underline{\hspace{1cm}}\) (rounded off to two decimal places). 
 

  • GATE IN - 2021
  • GATE IN
  • Sensors and Industrial Instrumentation
  • Strain gauges and rosettes
A strain gage having nominal resistance of 1000 \( \Omega \) has a gage factor of 2.5. If the strain applied to the gage is 100 \( \mu \)m/m, its resistance in ohm will change to \(\underline{\hspace{2cm}}\) (rounded off to two decimal places).
  • GATE IN - 2021
  • GATE IN
  • Sensors and Industrial Instrumentation
  • Strain gauges and rosettes