Experiment #5: Thevenin's Equivalent of DC Networks and Maximum Power Transfer Theorem Experiment #5 - Prelab Thevenin Equivalent of DC Circuits 5.1. For the circuit in Figure 5.2, find the equivalent Thevenin's voltage (V) and Thevenin's equivalent resistance (R) across terminals a and b. (Hint: You are expected to write Vn in terms of R1, R2, R3 and Vrsi. Also write Rra in terms of R1, R2 and R3.) R₁ I al V₁R₁=R4 Vpsi Figure 5.2 - Circuit for finding Thevenin's equivalent resistance and current 5.2. For the circuit in Figure 5.3, find the equivalent Thevenin's voltage (Vn) and Thevenin's equivalent resistance (RT) across terminals a and b. (Hint: You are expected to write Vr in terms of R1, R2, R3. R4, Vest and VPS2. Also write Rm in terms of R1, R2, R3 and R4.) R Figure 5.3- Circuit for finding Thevenin's equivalent resistance and current 5.3 Prove that, for a network consisting of a DC voltage source Va in series with an internal resistance. Rinternal and a load resistance Road, the maximum power can be transferred to Road when Rinterna=Rload.