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Networks Analysis and Synthesis - Engineering

Q1:

When a source is delivering maximum power to a load through a network, the ratio of power delivered to the source power

A may be 50% or less than 50%

B is 50%

C may be 50% or more than 50%

D may be 50% or more less than 50%

ANS:A - may be 50% or less than 50%

The network can be replaced by Thevenin's equivalent circuit. The load gets maximum power from the network but Thevenin's theorem does not guarantee that this will be half of maximum power.