Problem + Hard. 2.1   Source:   Problem 2.45-b , page 64,    SADIKU, Matthew N. O. , ALEXANDER, Charles K. -    Book: Fundamentals of Electric Circuits - McGraw Hill - 5th edition - 2013.

Calculate the equivalent resistance at terminals a - b of the circuit below.

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Problem + Diff. 2.2   Source:   Problem prepared by the author of the site.

Calculate the equivalent resistance that the circuit offers to the voltage source V in the circuit below.

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Problem + Diff. 2.3   Source:   Problem prepared by the author of the site.

Calculate the total or equivalent resistance between points b and c on the circuit shown in the figure below.

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