ENGR210 Lecture14

# ENGR210 Lecture14 - Name SOLUTION S cwnu e—mail CASE...

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Unformatted text preview: Name: SOLUTION S cwnu e—mail: CASE WESTERN RESERVE UNIVERSITY Case School of Engineering Department of Electrical Engineering and Computer Science ENGR 210. Introduction to Circuits and Instruments (4) Quiz No. 4 9/26/08 Problem 1 (10 points) / ,_ . ~ ~ - . ‘ SQPQFno&L ‘ x + V0 (a) (1 point) How many nodes are there in the above circuit. # Nodes: 5 (b) (6 points) Using the Node Voltage Method write the equations for V1, V2 and V3 in standard form. PLEASE WRITE ALL COEFFICIENTS IN DECIMAL — NO FRACTIONS! V1 + V2 + V3 = V1 + V2 + V3 = V1 + V2 + V3 : (c ) (3 points) Determine V1 V2 and V3. VHLL‘s sourced; :—q§;ah0'n 4—6 _%VL‘V3 :0 Q) V3: L0 It): “9L 9N, Name : W110 N S CWRU e-mail: Problem 2 (10 points) 12V 4V 2kg (a) (1 point) How many meshes are there in the above circuit. # Meshes: Z (b) (6 points) Using the Mesh Current Method write the equations for I1 and I2 in standard form. PLEASE WRITE ALL COEFFICIENTS IN DECIMAL - NO FRACTIONS! I1 + I2 = I1 + I2 = (c) (2 points) Determine I1 and I2. I1: 4.6(0 m A I2: ~ 3. 3.3 m A . (d) What is the power associated with the 4V source? P4V Smm: +2000 :12,- I'Z-i—ZoooJZ‘ +ZoooIL=O ---7.000 1.2—- 10003:, — 4 - 100011: 0 Name : 501-0“ OM 5 cwnu e-mail: CASE WESTERN RESERVE UNIVERSITY Case School of Engineering Department of Electrical Engineering and Computer Science ENGR 210. Introduction to Circuits and Instruments (4) Quiz No. 4 9/26/08 Problem 1 (10 points) / '_ __ __ 5UW¢DM ‘ K / "x l 10kg i V] + V S nod“) (a) (1 point) How many nodes are there in the above circuit. # Nodes: 5 (b) (6 points) Using the Node Voltage Method write the equations for V1, V2 and V3 in standard form. PLEASE WRITE ALL COEFFICIENTS IN DECIMAL - NO FRACTIONS! _____‘_‘_‘__V1+__'11____V2+___l__V3=__O_____ '1 V1 + l V2+ v3: '1. v1+ ' V2+ ‘ 9 V3: 0 (c) (3 points) Determine V1, V2 and V3. V1: " 5 . 45 (”‘VI VI -0 I V2: V3 0 .1 (OEV' V2=_+_éii+_ _. " X “' :- 2 M. rota l0\’~ X roe v3: 1‘ '1 0C1 V1_V\ : '1 + VL—V3 " 32:9” 2: O IOK 2K W \$-V| V‘ ~ (D‘V! _ Vz~v3 =0 IOL IOL ion ion co—v _ v _ c+v_v +V3= I V! V l 2" -—\/l —\)2 +V3 = O 1" I’ \Z “-9 --\)\ +VL = ‘2. V2*V3- 5V3 ’ V7. 40%: w wave-mam: Name : Problem 2 (10 points) + 21:9 V0 (a) (1 point) How many meshes are there in the above Circuit. # Meshes: 2 (b) (6 points) Using the Mesh Current Method write the equations for I1 and I2 in standard form. PLEASE WRITE ALL COEFFICIENTS IN DECIMAL — NO FRACTIONS! £53200 I1+ 2.000 I2: I2. “1000 |1+ “4000 I2: 4 (c) (2 points) Determine l1 and I2. I1: ﬂblomA I2: - 3. 33 MA . (d) What is the power associated with the 4V source? P4V source= " ‘3' 32 mW + ZoooI, — [24-10001‘4— 2000 751:0 —2.o<oo IZ—zooo I — 4— 2000 I2, =0 4V 4000; —I- 7.000 :2: I2. -——-(' 4‘)"— —2.oooIl —4ooo I; 1 4— 6...,— I2 1‘ -:. 4.(o(omA . .1 «YA. = + 4 ‘3I33mA IZ=—3>.33mA I’ + < X > ~ \3,33miq (garter a-I-I'na ) W (3000)“:000) = 1000 m 1’ b 060 H _;, _ \$OURO= WAMSFoKmﬁ‘noMs f :1 Vivi-WW ;_,1__7f3r&3¥fx¢é_lom.m.,nﬂwork4;m%_\$pmmms Eor_mro.,2uegn.r;_‘ .j .5. 1 i ...
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