Question: In a ballast circuit, the resistance of ballast and the strain gauge are 100 Ω each. The input voltage is 10 V. the gauge factor of the strain gauge is 2 and strain of 10<sup>-6</sup> is applied, the output voltage of ballast circuit is :
Answer:
MCQ: In a ballast circuit, the resistance of ballast and the strain gauge are 100 Ω each. The input voltage is 10 V. the gauge factor of the strain gauge is 2 and strain of 10<sup>-6</sup> is applied, the output voltage of ballast circuit is :
Correct Answer:
A. 0.25 µV
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Related Questions
- 1. When measuring strain, ballast circuits use a capacitor to act as high pass filter. This is done when
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- 4. The output of a strain gauge bridge using two active strain gauges used in poisson’s configuration is_____ Where v = poission’s ratio, G<sub>f</sub> = gauge factor, ԑ= strain , e<sub>i</sub> = excitation voltage of bridge.
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- 8. Pirani gauge is useful for measurement of pressure
- 9. In ionization type of vacuum gauges, the pressure is P is______ Where I<sub>G</sub>= grid current, I<sub>P</sub>= plate current and I<sub>K</sub>= cathode current.
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