10.46 The variable resistor in the circuit shown in Fig. P10.46 is adjusted until the average...

  
 
 

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10.46 The variable resistor in the circuit shown in Fig. P10.46 is adjusted until the average power it absorbs is maximum. 1. a) Find R. 2. b) Find the maximum average power. 3. c) Find the resistor in Appendix H that would have the most average power delivered to it. 3Ω + 112.5/0° V(rms) 4Ω 732 Ω Μ -18 Ω -j17.24 0 Resistors 10 100 120 15 150 180 22 220 270 33 330 390 470 47 (5% 1.0 k 1.2 k 1.5 k 1.8 k 2.2 k 2.7k 3.3 k 3.9 k 4.7 k tolerance) [22] 10 k 12 k 15 k 18 k 22 k 27 k 33 k 39 k 47 k 100 k 1.0 M 120 k 150 k 180 k 220 k 2.2 M 270 k 330 k 3.3 M 390 k 470 k 1.5 M 4.7 M 33 330 390 47 470 560 680 Capacitors 68 3.3 k 3.9 k 4.7 k 5.6k 6.8k 33k 39 k 47 k 56 k 68 k 330 k 3.3 M 390 k 470 k 4.7 M 560 k 680 k 6.8 M 10.46 The variable resistor in the circuit shown in Fig. P10.46 is adjusted until the average power it absorbs is maximum. 1. a) Find R. 2. b) Find the maximum average power. 3. c) Find the resistor in Appendix H that would have the most average power delivered to it. 3Ω + 112.5/0° V(rms) 4Ω 732 Ω Μ -18 Ω -j17.24 0 Resistors 10 100 120 15 150 180 22 220 270 33 330 390 470 47 (5% 1.0 k 1.2 k 1.5 k 1.8 k 2.2 k 2.7k 3.3 k 3.9 k 4.7 k tolerance) [22] 10 k 12 k 15 k 18 k 22 k 27 k 33 k 39 k 47 k 100 k 1.0 M 120 k 150 k 180 k 220 k 2.2 M 270 k 330 k 3.3 M 390 k 470 k 1.5 M 4.7 M 33 330 390 47 470 560 680 Capacitors 68 3.3 k 3.9 k 4.7 k 5.6k 6.8k 33k 39 k 47 k 56 k 68 k 330 k 3.3 M 390 k 470 k 4.7 M 560 k 680 k 6.8 M