#EngineeringProfessorQuiz
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At high frequencies, in circuit analysis, we model a capacitor as a/an
@drcaberry Assuming an ideal capacitor, not a real one that has mounting parasitics? Because if you go high enough, that few pH of ESL is going to start becoming non negligible :)
But that's probably too much nuance for a quick poll lol.
@azonenberg Too much nuance is right! 
@drcaberry Yeah i figured.
These days I spend too much time in microwave land where you need to carefully account for the few tens of fF in parallel with a non ideal resistor.
@azonenberg Totally makes sense, out of my area!