When you match a sensor output to a controller input you should
A) have the opposite for the input that you used for the output.
B) have a current sourcing at both the input and output.
C) have a current sinking at both the input and output.
D) not worry about the type it does not make any difference.
A
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A piston-cylinder device initially contains 100 kg of liquid water at T = 353.15 K and P = 0.1 MPa. The device is isobarically heated, expanding against an external pressure of 0.1 MPa, until exactly 12 % of the water has vaporized, with the rest remaining in the liquid phase. How much heat was added?
A. 2. MJ B. 35.5 MJ C. 7.7 MJ D. 37.5 MJ E. Insufficient information to solve
All of the following are true about Pueblo Revolt in 1680, EXCEPT
A. Pueblo Indians rebelled when Spanish missionaries sought to suppress native religious customs. B. Pueblo Indians destroyed every Catholic church in the province of New Mexico. C. the revolt by Pueblo Indians was successfully halted by the Spanish. D. Pueblo Indians built a ceremonial religious chamber - kiva - on the ruins of the Spanish plaza. E. Spanish priests and settlers were killed in the conflict.
Find V? in the network shown in Fig. 13.78.
 figure 1.png)
In a simple circuit, a 4.7 k? resistor is placed across a 15-V source. Current through the resistor is
A) 15.9 mA B) 31.9 mA C) 3.19 mA D) 1.59 mA