Considering all above given information, calculate the output current when the pressure in the container is 13.75 kPa. (Note that manometer is filled with mercury with specific gravity of 13.5. Pwater= 1000 kg/m³) (25)

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Multimeter
Q2) A transducer is used to measure the air pressure
inside a closed container, and it generates an analog
signal with respect to pressure (shown in the figure).
It is known that relationship between pressure and
the output current (I) as below:
Pressure
transducer
Valve
P=C¡I+C2
Pressurized
Also, the observations during two different pressure
measurement processes are given below:
Air, P
|Ah
Rigid container
Manometer
I (mA)
Ah (mm)
Mercury
SG=13.5
4.6 mA
0 mm
8.4 mA
420 mm
Considering all above given information, calculate the output current when the pressure in the
container is 13.75 kPa. (Note that manometer is filled with mercury with specific gravity of 13.5.
Pwater= 1000 kg/m³) (25)
Transcribed Image Text:Multimeter Q2) A transducer is used to measure the air pressure inside a closed container, and it generates an analog signal with respect to pressure (shown in the figure). It is known that relationship between pressure and the output current (I) as below: Pressure transducer Valve P=C¡I+C2 Pressurized Also, the observations during two different pressure measurement processes are given below: Air, P |Ah Rigid container Manometer I (mA) Ah (mm) Mercury SG=13.5 4.6 mA 0 mm 8.4 mA 420 mm Considering all above given information, calculate the output current when the pressure in the container is 13.75 kPa. (Note that manometer is filled with mercury with specific gravity of 13.5. Pwater= 1000 kg/m³) (25)
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