Ch02

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Unformatted text preview: 10 Ω R 12 Ω 60 Ω 12 Ω 12 Ω 2A 6Ω 3Ω Figure 2.101 2.38 Figure 2.98 in the circuit in Fig. 2.101, ﬁnd R . For Prob. 2.34. For Prob. 2.37. Reduce each of the circuits in Fig. 2.102 to a single resistor at terminals a -b. 5Ω 2.35 Find the equivalent resistance at terminals a -b for each of the networks in Fig. 2.99. a 8Ω b 20 Ω a a R R 30 Ω R R a (a) b 2Ω R R R b R 4Ω b 5Ω b (a) (b) 5Ω a R (c) 3Ω 10 Ω 4Ω 8Ω R a a R 3R (b) R R 2R Figure 2.102 3R 2.39 b b (d) Calculate the equivalent resistance Rab at terminals a -b for each of the circuits in Fig. 2.103. 5Ω (e) Figure 2.99 For Prob. 2.38. a For Prob. 2.35. 20 Ω 2.36 For the ladder network in Fig. 2.100, ﬁnd I and Req . 10 Ω 40 Ω b (a) I 10 V 3Ω 2Ω 6Ω 4Ω + − 10 Ω 1Ω a 80 Ω 2Ω 60 Ω 20 Ω 30 Ω b Req | v v Figure 2.100 | (b) For Prob. 2.36. e-Text Main Menu | Textbook Table of Contents | Figure 2.103 For Prob. 2.39. Problem Solving Workbook Contents 68 PART 1 2.40 DC Circuits Obtain the equivalent resistance at the terminals a -b for each of the circuits in Fig. 2.104. 2.42 Find the equivalent resistance Rab in the circuit of Fig. 2.106. a 10 Ω 30 Ω 60 Ω c b 5Ω 20 Ω 6Ω 8Ω 10 Ω d a e b (a) 5Ω 6Ω 8Ω 9Ω 15 Ω 20 Ω 4Ω 10 Ω 4Ω 5Ω 3Ω 20 Ω a f 11 Ω b Figure 2.106 For Prob. 2.42. (b) Figure 2.104 2.41 For Prob. 2.40. Section 2.7 Find Req at terminals a -b for each of the circuits in Fig. 2.105. 2.43 Wye-Delta Transformations Convert the circuits in Fig. 2.107 from Y to . 70 Ω 10 Ω a 30 Ω 10 Ω a 30 Ω b 20 Ω a b 50 Ω 10 Ω 40 Ω 60 Ω c 20 Ω c (a) b (b) Figure 2.107 (a) 30 Ω 40 Ω 20 Ω 60 Ω 2.44 8Ω For Prob. 2.43. Transform the circuits in Fig. 2.108 from to Y. a 12 Ω 6Ω 10 Ω 60 Ω a b a b 50 Ω 4Ω 12 Ω 12 Ω 30 Ω 10 Ω b 70 Ω 80 Ω c (b) | v v Figure 2.105 | For Prob. 2.41. e-Text Main Menu c (a) (b) Figure 2.108 | Textbook Table of Contents | For Prob. 2.44. Problem Solving W...
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This note was uploaded on 07/16/2012 for the course KA KA 2000 taught by Professor Bkav during the Spring '12 term at Cambridge.

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