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Robertazzi-271-Final-summer09

# Robertazzi-271-Final-summer09 - Your name Final ESE 271...

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Unformatted text preview: Your name: Final ESE 271 Summer 2009 Robertazzi Answer all questions. Each question is worth 9 points. Total is 45 pts. W FILE A 1. (a) Simplify into polar form. Show all steps for full credit. I /’~ /a [0 L 30" (b) Compute the phasor impedance of a capacitor of 2 F with an angular frequency w of 4 radians/sec. Show all steps for full“ Your name: 2. Find ﬁrst the open circuit voltage, then the impedance and then the short circuit current. The ﬁnal answer for short circuit current should be in cosine form. Draw and label the Thevenin circuit. .LH Hi /0 f2) [97) ——ll tr Your name: 3. Using mesh analysis and phasors, ﬁnd the two mesh currents. Show all detailed calculations. You can leave the expression for mesh current 1 as a ratio of complex (Cartesian format, that is a+jb format) numbers. PILE B Your name: 4. Write two nodal equations in s (not phasors). Simplify but be careful with the algebra. Write an expression for V1 as a ratio of two determinants but do not calculate determinant values. VL VI 44H) 6 (7417/ Your name: 5. Write as a partial fraction expansion and calculate the constants, showing all detailed work. What is v(t)? V/g: 5+/ .__.____________________. JAM 3) fa/MJJ/ /"‘ﬂQ/e?4rg / C79 07 : J'J/ 5 (J +3) ~ 37: ¢ «4L f»%3 A“ JV/J)/ : f'fl/ J70 J-fg . :% J39 J:.—— > H ...
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