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Unformatted text preview: EE40, Midterm #2, Spring 1996 EE40 Spring 1996 Midterm #2 A.M. Flynn, R.T. Howe, R.M. White Problem #1 (a) What is the phasor current corresponding to the actual current i(t) = 2 cos(10 4 t - 60 ) mA (write answer in both polar and rectangular forms) (b) What is the actual voltage v(t) corresponding to the phasor voltage V = (-5 - j5) volts? The angular frequency is equal to w. (c) A single circuit element (R, L, or C) is found to have the impedance -j333 ohms when measured at 1.0 MHx (10 6 Hz). What type of circuit element is it and what is its value? (d) Determine the impedance Z in , at angular frequency w, looking into terminals AA' of the circuit shown below. Your answer should depend only on R, L, w, and B. Show your work. (e) The ratio V out /V in for a circuit is found to be , where A = 100, R 2 = 2x10 3 ohms, C 1 = 4x10- 9 F. Draw the Bode plot for this circuit; label all significant values on the plot....
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This note was uploaded on 05/17/2009 for the course EE 40 taught by Professor Chang-hasnain during the Spring '07 term at Berkeley.
- Spring '07
- Electrical Engineering