Figure 12
8. figure 13 shows a circuit that consists of three
identical resistors. the total voltage (vt) is 12 v.
(a) what is the voltage of each resistor?
(b) the current in the third resistor (r3) is
500 ma. determine the current in the first
resistor (r1).
(c) what is the combined (total) resistance of
the three resistors?

Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.

An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet

Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false