Asked by rituparna

A wire of resistance 20ohm is bended to form a closed square. What is the resistance across the diagonal of the square?

Answers

Answered by Scott
each of the four sides of the square is 5 Ω

diagonally, there are two parallel paths of two 5 Ω resistances in series

each path is 10 Ω (5 + 5), and the two paths in parallel results in a net resistance of 5 Ω
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