A flat, round iron ring 6.40 cm in diameter has a current running through it that produces a magnetic field of 78.0 μT at its center. This ring is placed in a uniform external magnetic field of 0.360 T . What is the maximum torque the external field can exert on the ring?
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A flat, round iron ring 6.40 cm in diameter has a current running through it that produces a magnetic field of 78.0 μT at its center. This ring is placed in a uniform external magnetic field of 0.360 T .
What is the maximum torque the external field can exert on the ring?
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