Network Theorem (D.C. Circuits) The applicability of these theorems in different types of d.c. networks (with independent sources as well as with controlled sources). A thorough understanding of each theorem is important because analyzing electrical and electronic circuits needs these theorems very much. Thevenin's theorem This theorem is possibly the most extensively used network theorem. It is applicable where it is desired to determine the current through or voltage across any one element in a network without going through the rigorous method of solving a set of network equations. Statement of Thevenin's Theorem:- Any two terminal bilateral linear d.c. the circuit can be replaced by an equivalent circuit consisting of a voltage source and a series resistor. Thevenin's Theorem Equivalent Resistance and Voltage Equivalent Circuit Norton's theorem Norton theorem is converse of Thevenin's theorem. It consists of an equivalent voltage source as done in Thevenin...
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