Magnetism15119.22The magnitude of the torque is sinNBIAτθ=, where is the angle between the field and the perpendicular to the plane of the loop. The circumference of the loop is 22.00rmπ=, so the radius is 1.00 m=rand the area is 1mAr==. Thus, ()( )32310.800 T17.010Amsin90.04.3310N m−−=×°=×1⋅19.23The area is ( )( )20.200 m0.150 m0.094 2 mAabππ=90.0. Since the field is parallel to the plane of the loop, =°and the magnitude of the torque is 42sin8 2.0010T6.00 A0.094 2 msin90.0NBIA49.0510N m−−=°=×⋅The torque is directed to make the left-hand side of the loop move toward you and the right-hand side move away.
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