In the figure given, R2 is a resistive sensor with R2=R20(1+ax) (x: measurand, a: constant coefficient, R20 =2k6). The internal resistance of the 3% digit auto range digital V-meter (DVM) is assumed to be infinite. The absolute error of the DVM is given as: AU = ± (0.05% of the reading + 0.04% of the range) [V] a) With a=1, what are the readings on the display of the DVM for x=0 and R1 2k 6V R2 DVM R4 4k R3 1k4: 1.4k2 1k4 x=0.25?

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In the figure given, R2 is a resistive sensor with R2=R20(1+ax) (x: measurand,
a: constant coefficient, R20 =2k6). The internal resistance of the 3% digit
auto range digital V-meter (DVM) is assumed to be infinite.
The absolute error of the DVM is given as:
AU = ± (0.05% of the reading + 0.04% of the range) [V]
a) With a=1, what are the readings on the display of the DVM for x=0 and
R1
2k
6V
R2
DVM
R4
4k
R3
1k4: 1.4k2
1k4
x=0.25?
Transcribed Image Text:In the figure given, R2 is a resistive sensor with R2=R20(1+ax) (x: measurand, a: constant coefficient, R20 =2k6). The internal resistance of the 3% digit auto range digital V-meter (DVM) is assumed to be infinite. The absolute error of the DVM is given as: AU = ± (0.05% of the reading + 0.04% of the range) [V] a) With a=1, what are the readings on the display of the DVM for x=0 and R1 2k 6V R2 DVM R4 4k R3 1k4: 1.4k2 1k4 x=0.25?
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