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When I Try To Stop the Students From Keeping on Winging It

Student "edition" found at {csi dot journalspace dot com}.

Maybe I shouldn't have started this blog now, not with everything that's been going on.

I was talking about the Introduction to Electricity and Magnetism lecture class for the fourth day of the tenth week of classes, which somehow got an extended review session before the exam proper in my Differential Equations class a period before.

I warned them that I will not be answering any questions during the exam, especially about things as simple as units or symbols, conversions or the numeric equivalent of the prefixes.

Since they knew that I always gave the equations, I was assuming that it was up to them to find out when to use what formula from the given. It was getting so that they were trying to use the process of elimination on what equation to use instead of knowing which one to use beforehand from practice and study.

They also had to be clear about the difference between potential and potential energy.

I don’t know if it has to reach the point where I have to list down for them beforehand the things that I expect them to study and know before going to the test.

Deiv, in particular, thought that the exam was just on resistors in series and parallel, when in fact he was there when I announced to my lab class that the coverage included the rest of the chapter on potential after the last exam.

There were still some questions though that fell between the cracks of being inappropriate and had to be given answers (at least in my very full of loopholes “book”), such as whether they had to redraw the circuit after computing for each equivalent resistance.

As usual I gave them the same questions as their problem set due the week after.

In my Mathematical Methods One class in the next school day, I finished up on partial fractions with factors or denominators of degree two that are not factorable.

We stalled at one example when, after determining the factors, we realized that the degree of the numerator of the original fraction was the same as the degree of the denominator. So we actually had to perform division first then use partial fractions on the remainder. I had to write that as a specific rule in case those who weren’t copying down or had poor memory of the lecture forgot.

The expression for session 698 cannot be simplified further after this point. Class dismissed.


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