Resistance between the ends of the welded bar

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Two cylindrical bars, each with diameter of 2.40 cm, are welded together end-to-end. One of the original bars is copper and is 0.350 m long. The other bar is gold and is 0.135 m long. What is the resistance between the ends of the welded bar at 20 oC ?

Reference no: EM13561749

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