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EE302Test2 - I EE302 Introduction to Electrical and...

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Unformatted text preview: I EE302 - Introduction to Electrical and Computer Engineering Dr. Nina Telaug Exam # 2 Name: You will spend the first 15 minutes discussing this exam with your team. During this time you will not use your calculator or pen/pencil. The sole purpose of the team exercise is brainstorming. Read the entire exam first. Box all final answers or write them in the space provided. Remember to provide correct writs for all quantities. Show all your work. Extra paper is available. Be neat — I need to be able to read your work. Aim for an A+ Relax!!! © HPMFP‘PT‘ I Problem # 1 I 0 Problem # 2 0 Problem # 3 ‘ a ’1 - Problem # 4 "W I Problem # 5 L 0 Total Score U 3‘ ms "9' Mesh Current Analysis 1. Use mesh current analysis to determine the current Ia, and the power associated with the dependent source. [20 points] 15A Nodal Analysis 2. Using nodai analysis find the voltage across the dependent source. Mark the polarity of the voltage on the schematic. Calculate the power associated with this source. Is this source absorbing or delivering? [20 points] - KM _ , h firv PH)” 6 Nmflzi‘kqligfié’lj; /V V b eff“? A T C— p r_1_ — t 1 5A z—Lg ; 5+?— 4%: LI mags 16-19%} 534.222 A N009. 1L13+10¢:L+1H'Iq& g gv—l‘g'ég—ijfififl _ 1 P 1 _\33 fl“ HT ‘ r; . MTQLSEL‘uWHHmm ,ICJC)” \ CE? 11;. f0 3 —" V “M +uLb/Ikgb :16, ’13?” g ’ - {2333:an f5 “ fl . 3VI4'G'Z/él nagzwinv- HMS/1 _ m‘ ' " " “ ‘ orm 93733 233113,?m 1V‘En‘fnrqu “O Vér’lf’fljL ‘ \/ :BQDM p : +5003? Y3XB§U Superposition 3. Use the superposition principle to find (i) The voltage across the 5 (1 resistor due to the 110 V source. (ii) The current through the 5 fl resistor due to the 110 V source. (iii) The total voltage across the 5 fl resistor due to all sources. (iv) The total voltage across the 5 Q resistor when the voltage source is changed to 55V. [20 points] Note: In the case of voltages mark the polarity, in the case of currents mark the direction. ‘ (J D— . Voltae across 5 Q resistor due to 110 V w. d) .15 Current throu h 5 Q'resistor due to 110 V -[. Total voltae across 5 Q resistor Total voltage across 5 Q resistor when voltae sources chanes to 55V 4. Use the method of your choice to calculate V0 and 10 in the cimuit below. Calculate the power associated with each source and determine whether it is delivering 01' absorbing. [20 points] is g Fi— f G SAN: “ V1: ’ (QELQDZO W H 0 V: Ni :4 £20 201* _ 20C? p to wiflu OOXfiZO Gljgyj/OOW "1 100w Hamil-um ‘ umcom— Mm’nv -mw— "gisorbéjj 5. Use the method of your choice to find the voltage V0 in the following simple circuit. [20 points] 1000 0 12V o 1500 ,_\ QV‘+)©C) I HQV Hgmig 1V5. n E l;_ WTQ‘W/D T— xvofi/fl‘05t5 V \JOQOFEV ® .3317. ...
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