Voltage in Electrical Systems
1When gou 've nished reading this subunit and viewing the video.
"Voltage in Electrical Systems. " you should be able to do the
I . Di'erentiate between AC and DC current.
The t'oliowtrre.r exereises rtwittw the main ideas and definitions presented in this
subunit. Pressure. in Fluid Systems." Complete each question.
i. fill fluid systettts can be classied as either: [Circle the cor-rem answ
The following exercises review the main ideas and definitions presented ll'l this
Subunit. "Temperature in Thelma] Elements." Complete eaeh question.
1. Heat always moves from regions of lhtgher. lower] temperature to regi
In Thermal Systems
When you've nished reading this subunit. and viewing the video.
"Temperature in Thermal Systems." you should be able to do the
1. Identify the direction of movement of heat energy