Thevenin’s theorem can be stated as follows: Any two terminals A and B of an active network
can be replaced by a constant voltage source having an emf E and an internal resistance r. The
value of E is equal to the open-circuit potential difference between terminals A and B, that is, V
oc
and r is the resistance of the entire network measured or calculated between A and B with the resis-
tance R between A and B disconnected and sources of emfs replaced by their internal resistances.
5.3.1 Procedure for Applying Thevenin’s Theorem
The procedure is illustrated through an example.
Consider a network as shown in ...
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