Which of the following statements is incorrect ?
(A) Superposition theorem is useful for Linear and Non-linear circuit analysis when several sources are present in the circuit.
(B) Thevenin’s equivalent network consists of one voltage source in series with an impedance.
(C) Norton’s equivalent network consists of one current source in parallel with an independence.
(D) When both the load and source impedances are purely resistive, maximum power transfer is achieved under the condition : Load Resistance = Source Resistance