prelim2_soln_2010 - Y our Name: 50 t (/\ ( lpt) P relim 2 E...

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Your Name: 50 t (/\ (lpt) Prelim 2 ECE 2100, Spring 2010, Professor Molnar The exam will last 2.5 hours, you are permitted 1 single-sided 8.5"x 11" crib sheet to be turned in for 5pts. You may also use a calculator. Scrap paper is provided and should be attached: show your work for partial credit. However, answers should be written in the space provided: if we have to go looking for your answer, you will lose 1 point off that answer! If you get stuck on any given part, move on, and come back later. 1) Bonus (5pts) for those of you who made it to the last lecture before Spring break: What story did Professor Molnar tell to illustrate the idea of a resonance "ringing up" under sinusoidal drive, and who was there that didn't seem too happy about it? (2 sentences) 2) (5pts) Your friend from 10kO Harvard claims that this circuit has a gain of + 1O. Is he ri~n V .In Circle one: \@ Why or why not? (1 sentence) T ~ e oto'-QlMr fs ~OU kecA u.. f i V\ ~OC71't;Je f-eeJbacfC(,'1 - (;\J \ \ \ 001- CNO 1 k. a. S Q V\ a II>V?{,'I-(ev: 3) A coaxial cable, if loaded by a son resistor, can be modeled as transferring its
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prelim2_soln_2010 - Y our Name: 50 t (/\ ( lpt) P relim 2 E...

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