Thursday, June 2, 2016

Day 19 (No Lab)

We started the day by understanding what a phase angle is in a cosine function.

Then we did an example of adding together cosine functions graphically by graphing them as phasor vectors.

We repeated this exercise by adding cosine functions by converting them between polar form and transforming it into a real and jimaginary parts.

We continued to do examples that involved using different techniques based on what was best for the problem.


We then did the derivation for the current across an inductor when it is ac current.

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