Asked by Sarah

You are given five identical resistors each of resistance r. How can you arrange all these resistors (in series, in parallel, or both) in order to have an equivalent resistance of 7r/2, 7r/3 or 2r

Answers

Answered by Henry
r/2 + 3r = r/2 + 6r/2 = 7r/2 = 2 in parallel and 3 in series.

r/3 + 2r = r/3 + 6r/3 = 7r/3 = 3 in parallel and 2 in series.

Answered by Henry
r/2 + r/2 + r = 2r = 2 in parallel + 2 in parallel + 1 in series.
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