Fundamental Electrical and Electronic Principles, Third Edition

46 Fundamental Electrical and Electronic PrinciplesWorked Example 2.7QFor the circuit of Fig. 2.13 calculate (a) the current drawn from the source, (b) the p.d. across eachresistor, (c) the current through each resistor, and (d) the power dissipated by the 5 Ω resistor.R 43 Ω4 ΩR 2R 35 ΩR 56 ΩR 66 Ω8 ΩAE18 VFig. 2.13The first step in the solution is to label the diagram clearly with letters at thejunctions and identifying p.d.s and branch currents. This shown in Fig. 2.14 .R 4R 33 ΩI4 Ω 3I R 5 5I 4I 1R 1A R 2B 5 ΩC 6 ΩI 2 6 ΩI 6R 68 ΩDIV AB V BC V CDE18 VFig. 2.14(a)RAB RR 1 2R R1R BC 5 Ω24 6ohm4 6 24 . Ω1 1 1 1 1 1 1 RCDR4 R5 R6 3 6 88 4 32415S24R CD 24 1. 6 Ω15R R AB R BC R CD ohmR 2.4 5 1.6 9 ΩEI R amp 189I 2 A Ans