Which of the following represent(s) the advantage(s) of the system approach over the r-model approach?

[A].	Thevenin's theorem can be used.
[B].	The effect of changing the load can be determined by a simple equation.
[C].	There is no need to go back to the ac equivalent model and analyze the entire network.
[D].	All of the above

Answer: Option D

Explanation:

No answer description available for this question.