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QUESTION
A thin, horizontal copper rod is 1.59397 m long and has a mass of 34.2472 g. The acceleration of gravity is 9.8 m/s2 .
A thin, horizontal copper rod is 1.59397 m long and has a mass of 34.2472 g.The acceleration of gravity is 9.8 m/s2 .What is the minimum current in the rod that will cause it to float in a horizontal mag- netic field of 1.70972 T?
