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2 November, 00:51

A metal wire of resistance R is cut into two pieces of equal length. The two pieces are connected together side by side. What is the resistance of the two connected wires?

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  1. 2 November, 01:09
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    Answer: 2R

    Explanation: Since they have been divided into equal halves of equal length, each has a resistance of R and can be treated as a single resistor.

    If connected in series to each other, the equivalent resistance of both wires will be R + R = 2R
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