Direct-Current Circuits12118.32(a) ()( )63100 20.010F2.0010s2.00 msRCτ−−== Ω×= ×=(b) ( )64max20.010F9.00 V1.8010C180 CQCµε==×=(c) maxmaxmax111 111teQeQeτττ4CQQ=−=18.33( )max5.010F30 V1.510C== ×=×(, and )( )661.010 5.010F5−==×Ω ×=10 s2t.0 s Thus, at ( )( )42max11.510C1tee−=×−41.310C−=×18.34The charge on the capacitor at time tis ( )max1te−, where ( )QC V=∆and QmaxC=. Thus, ( )1tVe−∆=−or ( )1teV−=−∆We are given that, 12 V=, and at t1.0 s=, 10 VV∆=Therefore, 1.0e−s10121121210
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This note was uploaded on 12/09/2011 for the course PHYS 2020 taught by Professor Staff during the Fall '10 term at FIU.