Electrical Engineering 40 - Spring 1998 - Schwarz - Midterm 1

Electrical Engineering 40 - Spring 1998 - Schwarz - Midterm 1

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EE40, Midterm #2, Spring 1996 EE40 Spring 1998 Midterm #1 S. Schwarz, R. M. White Problem #1 The nonlinear circuit element NL in Fig. (a) has the I-V characteristic shown in (b). (Sign conventions for V, I are as shown.) Find Vx with respect to ground. Problem #2 Box #1 is represented by a Thevenin equivalent with VT1 = 5V, RT1 = 3000 ohms. For Box #2, VT2 = -6V, RT2 = 2000 ohms. The two boxes are connected together as shown. a) Find the voltage at node A with respect to ground. file:///C|/Documents%20and%20Settings/Jason%20Raft. ..0-%20Spring%201998%20-%20Schwarz%20-%20Mid%201.htm (1 of 3)1/27/2007 5:17:36 PM
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EE40, Midterm #2, Spring 1996 b) Find the power flow (in watts) between the boxes, in the direction from Box 1 into Box #2. Problem #3 In the above circuit Vo = 10V, R1 = 1000 ohms, R2 = 2000 ohms, rho = 5000, beta = 0.7. Find the volatge at node
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Unformatted text preview: A with respect to ground. (For ease of grading, please write equations using letter symbols, solve the equations, and then substitute numerical values as the final step.) Problem #4 In the above circuit all the op-amps are "ideal". a) Find Va (the voltage at node A with respect to ground): b) Find Vb: c) Find Vc: file:///C|/Documents%20and%20Settings/Jason%20Raft. ..0-%20Spring%201998%20-%20Schwarz%20-%20Mid%201.htm (2 of 3)1/27/2007 5:17:36 PM EE40, Midterm #2, Spring 1996 d) Find Vd: Posted by HKN (Electrical Engineering and Computer Science Honor Society) University of California at Berkeley If you have any questions about these online exams please contact mailto:examfile@hkn.eecs.berkeley.edu file:///C|/Documents%20and%20Settings/Jason%20Raft. ..0-%20Spring%201998%20-%20Schwarz%20-%20Mid%201.htm (3 of 3)1/27/2007 5:17:36 PM...
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Electrical Engineering 40 - Spring 1998 - Schwarz - Midterm 1

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