Question: A thin copper rod that 1 s 1 0 m long and has a mass of 0 . 0 5 0 kg is in a

A thin copper rod that 1s 10 m long and has a mass of 0.050 kg is in a magnetic field of 0.10 T What minimum current in the rod is needed 1n order for the magnetic force to cancel the weight of the rod?

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