PracticeExam2

A9vbatteryisusedtochargeasupercapacitorcswhichwillbeus

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Unformatted text preview: Irms= Page 3 of 11 Prof D Barker ENME 350 Electronics and Instrumentation I Fall 2011 Problem 2 [25 pts]. A 9V battery is used to charge a supercapacitor Cs which will be used to power a remote‐controlled airplane. Assume the supercapacitor is fully discharged before connected to the battery Vc(t<0) = 0 and the switch closes at t=0. A. (6pts) What is the supercapacitor voltage (Vc) a long time after the switch closes at t=0? Vc (t→∞) = B. (13pts) How long will it take the supercapacitor voltage (Vc)...
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This test prep was uploaded on 03/21/2014 for the course ENME 350 taught by Professor Barker during the Spring '11 term at Maryland.

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