A circular coil (radius = 0.40 m) has 160 turns and is in a uniform magnetic...

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Physics

A circular coil (radius = 0.40 m) has 160 turns and is in auniform magnetic field. If the orientation of the coil is variedthrough all possible positions, the maximum torque on the coil bymagnetic forces is 0.16 Nm when the current in the coil is 4.0 mA.What is the magnitude of the magnetic field?

0.50 T

1.6 T

0.21 T

1.2 T

0.37 T

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