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A single-turn square loop carries a current of 19 AA . The loop is 15 cmcm...

A single-turn square loop carries a current of 19 AA . The loop is 15 cmcm on a side and has a mass of 3.8×10−2 kgkg . Initially the loop lies flat on a horizontal tabletop. When a horizontal magnetic field is turned on, it is found that only one side of the loop experiences an upward force.

Find the minimum magnetic field, Bmin, necessary to start tipping the loop up from the table.

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Solution : magnetic Force, Fm- i lB=198 0.15B Fm= 2.85BN weight of the loop will cause CW porque 8 Fm Causy CCN forque,a Sor

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