Aspeaker draws 2 amps of current when it is connected to a 16 volt source. what is the resistance of the speaker? question 2 options: 32 ohms 32 amps 8 amps 8 ohms

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.