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A flat, 118‑turn, current‑carrying loop is immersed in a uniform magnetic field. The area of the...

A flat, 118‑turn, current‑carrying loop is immersed in a uniform magnetic field. The area of the loop is 8.09 cm2 and the angle between its magnetic dipole moment and the field is 50.9∘. Find the strength of the magnetic field that causes a torque of 2.39×10−5 N⋅m to act on the loop when a current of 3.81 mA flows in it.

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