Today I worked on the lab tutorial in which you practice using a tool that lets you build and test circuits. It's a point-and-click interface in which you drag and drop things like voltage sources and resistors. The cool thing is that the system tests the circuit and displays the values of resistance. I don't really know much about circuits, but I was able to build the one based on the copy that the system provided. Currently, my conception of a circuit is that it is a device that supplies electrical current to a simple or complex machine, but I may be very wrong about that. I found the total resistance and the current flowing from the positive to negative.
The next few problems in the lab tutorial seem harder, and I will likely take a while to answer them. I have noticed that there is a lot of help in the discussion forums, if I can find the right answer to my question. I have gotten better at using the labels to find answers. (Although sometimes someone posts something weird, such as a question about why the Apple store is down. The moderators shut that one down pretty quick.)
On a side note, I recently received the badge of "Teacher" because I answered someone's question about the function of the check button. This seems more like a "Teaching Assistant" function, but I find myself pleased to have received this acknowledgement. Also, it is nice to help someone else who is working on the course.
While I'm doing this, I keep asking myself what I'm learning, and so far I think I'm learning more about how to operate the interface. Of course, this is very important.
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