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Two cylindrical bars, each with diameter of 2.50 cm, are welded together end to end. One of the original bars is copper and is 0.360 m long. The...

7. Two cylindrical bars, each with diameter of 2.50 cm, are welded together end to end. One of the original bars is copper and is 0.360 m long. The other bar is iron and is 0.180 m long. What is the resistance between the ends of the welded bar at 20°C? in omega

Two cylindrical bars, each with diameter of 2.50 cm, are welded together end to end. One of the original barsis copper and is 0.360 m long. The other bar is iron and is 0.180 m long. What is the...
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