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test 1 study guide0001

test 1 study guide0001 - Variables including charge current...

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Variables including charge, current, voltage, resistance, conductance, energy and power. What are their units, how do these units relate back to SI units (except resistance, which is not particularly illuminating), how do they relate to one another including equations and differential nature (e.g. charge and current) Passive sign convention. How current and voltage are assigned, what the sign of the power means iv characteristics for resistors (Ohm's law), ideal sources, shorts and opens, current source in parallel with resistor, voltage source in series with a resistor. Make sure you understand what these mean (e.g. how does an open circuit relate to a current source?) Kirchoff's Laws. What is the physical basis (look at hydraulics analogy) for both, where to apply them (nodes for KCl, loops for KVl), sign convention, how to pick the minimum number of equations ("meshes" for KVl - inner window panes). Parallel and series elements. Recognition (this particular set of elements is or is not in parallel). How to combine into equivalent elements, how they perform voltage or current division (including more than two paths). Equivalent circuits. What this means, use for resistors and sources. Resistors in series/parallel give larger/smaller resistance. Table 2-34. Use of equivalent
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