Electrical Engineering 40 - Spring 1998 - Schwarz - Midterm 2

Electrical Engineering 40 - Spring 1998 - Schwarz - Midterm 2

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EE 40, Midterm 2, Spring 1998 EE 40, Spring 1998 Midterm 2 Professor S. Schwarz, Professor R. M. White Problem #1 (25 Points) The phasor representing the sinusoid v(t) is v = (1+2j)/1-3j). The angular frequency omega is 100 radians/sec. [8 pts.] a) Find the amplitude of the sinusoid. [8 pts.] b) Find the phase angle of the sinusoid. [9 pts.] c) Find the first time after t = 0 at which v has its maximum value. Problem #2 (25 Points) In the above circuit, V 0 = 10 V (real, C = 10^-8 F, L = 2X10^-4 H, R = 100 ohms, omega = 10^6 radians/sec. [5 pts.] a) Find the numerical value of the phasor i C . Express answer in simplest rectangular form A + jB. [10 pts.] b) Find the numerical value of the phasor i L . Express answer in simplest rectangular form A + jB. [10 pts.] c) Find the time-averaged power produced by the voltage source. (That is, find the power that comes out of the voltage source and goes into the rest of the circuit.) file:///C|/Documents%20and%20Settings/Jason%20Raft. ..0-%20Spring%201998%20-%20Schwarz%20-%20Mid%202.htm (1 of 3)1/27/2007 5:12:06 PM
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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.

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Electrical Engineering 40 - Spring 1998 - Schwarz - Midterm 2

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