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An electronic system, with closed loop current flow, and relative electrical potentials present across electrical components.

3 votes

Is equivalent resistance always lower if we add a resistor to a passive electronic circuit?

Convert to the equivalent two-port representation with 4 nodes A,B,C,D and 6 resistors, one resistor between each node. Note the resistor directly between A and B is not important to this question. So …
Retarded Potential's user avatar