help plz !! The rectangular loop of wire shown below has a total mass of 4.2 g a

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help plz !!

The rectangular loop of wire shown below has a total mass of 4.2 g and can pivot (without friction) about the: axis A currant of 8.2 A is passing through the loop m the direction shown. Due to an external magnetic field pointing along the ( + or - )y axis, the loop swings (o the equilibrium position shown where gravitational torque is exactly balanced by magnetic torque Draw a front view of the situation, looking in the -z direction. Include the weight force (acting at the center of mass of the loop), the position vector r from the origin to the point of application of the weight force, and the magnetic dipole vector mu Find the magnitude and direction ( + y or - y) of the external magnetic field Express the magnetic dipole moment (at the equilibrium position) in unit vector notation Use the matrix method of solving the cross product to calculate the magnitude of the new magnetic torque on the loop if the external magnetic field suddenly changes to B = - (3SmT)f + (35mT)j

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