What is the common-mode voltage of the balanced (both voltage dividers contain two identical resistances) Wheatstone bridge in Fig. 1

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What is the common-mode voltage of the balanced (both voltage dividers contain two identical resistances) Wheatstone bridge in Fig. 1?

a)
9V=Vcc b)
1002 potentiometer
in series with a 3002 resistor
10k2,
a b
Va
+ Vp-
10k2
3502 strain gage
oV
Fig. 1. a) - A 350 2 strain gage attached to a metal slab; b) - First block of the circuit - a
Wheatstone bridge sensor where the strain gage forms one of the four resistances.
::
Transcribed Image Text:a) 9V=Vcc b) 1002 potentiometer in series with a 3002 resistor 10k2, a b Va + Vp- 10k2 3502 strain gage oV Fig. 1. a) - A 350 2 strain gage attached to a metal slab; b) - First block of the circuit - a Wheatstone bridge sensor where the strain gage forms one of the four resistances. ::
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