69. A load resistor is connected across the open terminals of the circuit shown in Fig. 5.107, and its value was chosen carefully to ensure maximum power trans- fer from the rest of the circuit. (a) What is the value of the resistor? (b) If the power absorbed by the load resistor is three times as large as required, modify the circuit so that it performs as desired, without losing the maximum power transfer condition already enjoyed. 1.2 A Fors 0.8 A FIGURE 5.107 1.8 Ω www 5.4 Ω Ι Σ 3Ω 5Ω 110 COIA 0.1 A

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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OUT 189
69. A load resistor is connected across the open terminals of the circuit shown in
Fig. 5.107, and its value was chosen carefully to ensure maximum power trans-
fer from the rest of the circuit. (a) What is the value of the resistor? (b) If the
power
absorbed by the load resistor is three times as large as required, modify
the circuit so that it performs as desired, without losing the maximum power
transfer condition already enjoyed.
1.2 A
20
0.8 A
FIGURE 5.107
Yo
www
Gint
r
1.8 Ω
www
5.4 Ω
3 Ω
w
5Ω
D
0.1 A
is unknown what
Transcribed Image Text:OUT 189 69. A load resistor is connected across the open terminals of the circuit shown in Fig. 5.107, and its value was chosen carefully to ensure maximum power trans- fer from the rest of the circuit. (a) What is the value of the resistor? (b) If the power absorbed by the load resistor is three times as large as required, modify the circuit so that it performs as desired, without losing the maximum power transfer condition already enjoyed. 1.2 A 20 0.8 A FIGURE 5.107 Yo www Gint r 1.8 Ω www 5.4 Ω 3 Ω w 5Ω D 0.1 A is unknown what
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