How the circuit and equivalent circuit of a Transformer are derived? Does two port network help us in this regard to find the circuit and equivalent circuit of the transformer?
Secondly I need to know that what conditions should be fulfilled by two circuits so that they are considered to be equivalent. Of course there should be some set of rules to be fulfilled to declare the two circuits equivalent.
Secondly
... the circuits would be equivalent, if both circuits fulfill the set rules \$\endgroup\$