200% Highlight From Scanner Link File Attachment Rotate Left Strikeout Blank Bookmark Image Annotation Typewriter Note From FDF Retate Right U underline Fle From Clipboard Audio & Video Sign New Comment Create Protect Links Insert 278 Chapter 7 First-Order Circuits Practice Problem 7.10 15 V 202 1=0 www F 60 ww 47.5 V Find v(t) for > 0 in the circuit of Fig. 7.44. Assume the switch has been open for a long time and is closed at = 0. Calculate v(t) at t = 0.5. Answer: (9.375+ 5.625e 2) V for all > 0, 7.63 V. Figure 7.44 For Practice Prob. 7.10. Example 7.11 In Fig. 7.45, the switch has been closed for a long time and is opened at 10. Find i and v for all time. 1182 (302/995) 44449 200%