Problem in Fig 2-18 and its solution:
Passive Sign Convention, I think.
The Attempt at a Solution
Let's say i is counter-clockwise. Then, it's going from - to + of v_b. Why is there not an additional negative sign in computing p_b, and why is there one in computing p_a (where i being counter-clockwise means the current is negative, despite the image having the current be clockwise)? (I'm trying to follow the work as done in the pdf I linked to.)
Any input would be GREATLY appreciated!
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