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A 200-turn rectangular coil having dimensions of 3.0 cm by 6.0 cm is placed in a uniform magnetic field of magnitude 0.98 T.

(a) Find the current in the coil if the maximum torque exerted on it by the magnetic field is 0.23 N · m.
A

(b) Find the magnitude of the torque on the coil when the magnetic field makes an angle of 25° with the normal to the plane of the coil.
N · m

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