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Question1: 5+5=10 a) Define maximum power transfer theorem. Show that, maximum power will be transferred when Rth= RL 

b) Find the Norton equivalent circuit for the network in Fig. when viewed from terminals a and b.

Question2: Answer the following questions for the given circuits. 5x2=10 A dc generator, battery, and laboratory supply are connected to resistive load RL in Figure

a) For each, determine the value of RL for maximum power transfer to RL. 

b) Under maximum power conditions, what are the current level and the power to the load for each configuration? 

c) What is the efficiency of operation for each supply in part (b)? 

d) If a load of 1 k were applied to the laboratory supply, what would the power delivered to the load be? Compare your answer to the level of part (b). What is the level of efficiency? 

e) For each supply, determine the value of RL for 80% efficiency.