Question

Problem 3.61 - Enhanced - with Hints and Feedback 11 of 13 Roviow I Constan Consider the circuit shown in (Figure 1). Suppose that R2 - 142 Part A Simplify the circuit in (Figure 1) by using a Y-to-A transformation involving resistors RR and Rs as shown in (Figure 2). Determine the resistances of the equivalent A Express your answers in ohms to three significant figures separated by commas. ► View Available Hint(s) Figure 1 of 3 ΟΙ ΑΣφ 11 vec ? 12 R- "RRS 200 R Submit R 100 60 Part B Complete previous part(s) R3300 R; RS is Part b. 90 w Simplify the initial circuit shown in Figure 1) by using a 4-to-Y transformation involving resistors RR and Rs as shown in (Figure 3). Determine the resistances of the equivalent Y Express your answers in ohms to three significant figures separated by commas. Pearson

Answer 1

Part A Ra Ra R = 142 Rb m Rp 602 Rc Ro R5 182 Figil 14860 120-672 RR Raž R5 a = [R2 + R37 R6 = [Rq + Rst 36.22 18] = 36 Re: [R3+ By + 19 = [co+18+ 643)] 155:1643.2 - [4 +60 +(14* Rqt R5 t ( R 2 ks [14+18+(14300] Part B 60.2 16.672 M Prihating the Rz RA RqR3 R + Rzf R Rz R5 Rzf Rotha (38x60 30760718 / GOXIS 60+30+18 lor RA R5 क ) = 30.52 ho 182 30X18 - 52 Ra RG Rc 30+60118 Fig.2 Rat Rs the