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4-9 An RC circuit of the form o Figare 413) has V-100V, R-100 kL, and C- 100 Devermine the time constent bWriic expressions for ) and velt), and sloich the functions & Usinghe exponenial function on your calculator,evaluate 80andvr)for each ofthe following values ofeQ%2t, St, Dr. 4-11 An RL circuit of the form od Figure L-10H. a Determine the time contant h Wrile expressions fo i0 and and skeich the fusctions e Using the exposential funetion on your calculutox,evaleate and l)forach 15 a) has v,"D00 v, R-1kMand ofthe followine vales of?0,T. 2.3t, lor 4-13 The 0.05-Feapacitor in the circuit of Figuare P4-13 is inicially chargnd to&Vinthe direction showa. At - 0 a20V souroe is connected as shown. Determine ex- pressions form)and e(r) for 1>Q,and siketch the hations. NTIAL RIAL AND ORDER ?OUTS?261 FIGURE PN-13 FIGURE P-14 Steady we conditions exist inthe circuit of Agure P4-15 isor is connoctod across the capaciborat-Q. Desermine an expoession for for 0,nd sketch the function 4-15 , 0'. The 54. FIGURE P4-15

Answer 1