A 1.00 km cable having a cross-sectional area of 0.5 cm? is to be constructed out of equal lengths of copper and aluminium. The resistivity values of copper (Cu) and aluminium (Al) material are pcu = 1.68 x 108 2m and PAI = 2.65 x 108 Qm, respectively. Two designs could be used to make the 1.00 km cable as shown in Figure Q3(a)(i) and Figure Q3(a)(ii). +1.00 km- Cu Al A-0.5 cm2. F1.00 km- Cu ) Al (1) '0.5km 0.5km (ii) (i) Figure Q3(a) (i) First design of the cable is to solder side by side of the two parallel 1.00 km copper and aluminium cables as shown in Figure Q3(a)(i). The cross-sectional areas of copper and aluminium cables are halved of that of the constructed cable. Calculate the total resistance of the cable. (ii) Second design of the cable is to solder a 0.50 km aluminium cable at the end of a 0.50 km copper cable as shown in Figure Q3(a)(ii). Calculate the total resistance of the cable. (iii) Justify which design of the cable gives better electrical performance.

A 1.00 km cable having a cross-sectional area of 0.5 cm? is to be constructed out of equal lengths of copper and aluminium. The resistivity values of copper (Cu) and aluminium (Al) material are pcu = 1.68 x 108 2m and PAI = 2.65 x 108 Qm, respectively. Two designs could be used to make the 1.00 km cable as shown in Figure Q3(a)(i) and Figure Q3(a)(ii). +1.00 km- Cu Al A-0.5 cm2. F1.00 km- Cu ) Al (1) '0.5km 0.5km (ii) (i) Figure Q3(a) (i) First design of the cable is to solder side by side of the two parallel 1.00 km copper and aluminium cables as shown in Figure Q3(a)(i). The cross-sectional areas of copper and aluminium cables are halved of that of the constructed cable. Calculate the total resistance of the cable. (ii) Second design of the cable is to solder a 0.50 km aluminium cable at the end of a 0.50 km copper cable as shown in Figure Q3(a)(ii). Calculate the total resistance of the cable. (iii) Justify which design of the cable gives better electrical performance.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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