Fundamental Electrical and Electronic Principles, Third Edition

D.C. Circuits 47(b) The circuit has been reduced to its series equivalent as shown in Fig. 2.15 .Using this equivalent circuit it is now a simple matter to calculate the p.d.across each section of the circuit.V AB IR AB volt 2 2.4V AB 4.8 V Ans(this p.d. is common to both R 1 and R 2 )V BC IR BC volt 2 5V BC 10 V AnsV CD IR CD volt 2 1.6V CD = 3.2 V Ans(this p.d. is common to R 4 , R 5 and R 6 )A2.4 Ω 5 Ω 1.6 ΩB CDIV AB V BC V CDE18 VFig. 2.15(c)I 1 V ABR1 48 .4I 1 1.2 A AnsorI 1 I 2 V AB 48 . or I 2 R26I 2 0.8 A AnsI 3 I 2 A AnsI 4 V CD 32 . orR43R26R1 RI 2 102I 1 1.2 A AnsR1R R 4I0 21 2 1I 2 0.8 A Ans1 1 1 1 R R R RCD4 5 61 1 1I 4 1.067 A Ans 3 6 8I 5 V CDR5I 5 0.533 A Ans 132 . 8 4 36248so I 4 215I 6 V CD 32 . R68I 4 1.067 A AnsI 6 0.4 A Ans4I 5 215I 5 0.533 A AnsI 6 315 2I 6 0.4 A Ans524