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A variable resistor R is connected across the terminals a, b in the circuit in (Figure 1). The variable resistor is adjustedItem 3 A variable resistor R, is connected across the terminals a, b in the circuit in (Figure 1). The variable resistor is a

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0.2 i se 2km ry w mtma 26 so-13K 32K e 350u 7 &R=13k & 2 350V 12 L b Using maximum power the area For maximum Power Transfer,0.2 se M &ak 350 10 KCL at nad Ali 350-VA = VA - O + VA - VB + 0.2 si 175 -0.5 VA = VA - O. SVB + 0.2 si VB = 1 volt se z 350175 -0.5 VA = VA-O.5VB + 35-0. VA 140= 1.4VA -O. SVB 190 = 1.4VA -0.5 VA = 140+0.5 1.4 VA= 100.35 volt) KCL at nod B II = -0.10.200 2K km 2 13ko uth [VB = uth] KCL at node All 350 - VAZ VA-O + VA VB + 0.2 si 2. 175 -0.5VA - VA -0.5V8 + 0.2 (350,VA) 1PRO = Vih YRO = 1212 4 (13.40)* PROZ 271.5 watt ) 50% power transfer acc. to maximum Power tross for. % deliver a 50%

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