A single-turn square loop carries a current of 18 A. The loop is 15cm on a side and has a mass of 0.035 kg. Initially the loop liesflat on a horizontal tabletop. When a horizontal magnetic field isturned on, it is found that only one side of the loop experiencesan upward force. Find the minimum magnetic field, Bmin ,necessary to start tipping the loop up from the table.
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