Homework 3 Problems - Circuits/Electronics for Mechanical Engineers | ECEN 3010, Assignments of Electrical and Electronics Engineering

Download Homework 3 Problems - Circuits/Electronics for Mechanical Engineers | ECEN 3010 and more Assignments Electrical and Electronics Engineering in PDF only on Docsity! ECEN 3010 Page 1 of 4 Rev. 1/31/2009 ECEN 3010 Circuits and Electronics University of Colorado at Boulder Homework #3 Staple this sheet to your submitted homework. Your Name: Lab Section (Circle One): M T W Th F Instructions and Notes • Include this sheet with your homework; circle your lab section above. • Show all work to receive full credit. • Draw a box around your final answer for each problem. • Write your name on each page submitted, and staple all pages together. • Specify units for all numeric answers. • “Book Problems” refer to end-of-chapter problems in Hambley 4th edition. • Check links on web page for answers to selected book problems. Problems (Topics are indicated in parentheses just for your information.) 1. Book Problem P 2.75 (Thevenin and Norton equivalents). 2. Book Problem P 2.76 (Thevenin and Norton equivalents). 3. Book Problem P 2.83 (Thevenin and Norton equivalents). 4. Book Problem P 3.6 (Capacitance). 5. Book Problem P 3.25 (Capacitance in series and parallel). ECEN 3010 Page 2 of 4 Rev. 1/31/2009 6. The voltage across a capacitor is given by v1(t). The plot for v1(t) is given below. Plot the current i1(t) through the capacitor using the axes provided. Clearly label the values (in amps) for your current on the vertical axis. Be sure to sketch the plot for the entire time period between 0 seconds and 6 microseconds. Note the units for time on the plot are microseconds. Capacitance is given in microfarads. The reference direction for the current and the reference polarity for the voltage are given in the diagram below. + v1(t) – i1(t) C1 = 0.5 µF i1(t) t (µs)0 0 1 2 3 4 5 6 v1(t) t (µs)0 0 1 2 3 4 5 6 – 5V 5V