Find the maximum torque the external field can exert on ring

Reference no: EM13489097

A flat, round iron ring 7.00cm in diameter has a current running through it that produces a magnetic field of 77.2?T at its center. This ring is placed in a uniform external magnetic field of 0.380T .

What is the maximum torque the external field can exert on the ring?

How should the ring be oriented relative to the field for the torque to have its maximum value?

Reference no: EM13489097

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