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A 50 cm × 85 cm rectangular loop of wire is located in a region of...

A 50 cm × 85 cm rectangular loop of wire is located in a region of uniform magnetic field with a magnitude of B​0​​=3.32 Telsa, and oriented perpendicular to the wire loop. The wire is reshaped into a circular loop of radius r = 43 cm. What is the change in the magnitude of the the magnetic flux through the loop as a result of this change in shape?

2. A 60 cm×60 cm square loop of wire is placed in a uniform 5.0 T magnetic field that points in the vertical direction. The wire loop is initially placed so that the plane of the loop is at an angle of 17.8∘​​ relative to the horizontal. What is the magnitude of the change in the magnetic flux through the loop as it is rotated from 17.8∘​​ to 63.3∘.

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