A loop of wire has the shape shown in the drawing. The top
Chapter , Problem 14(choose chapter or problem)
A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r 5 0.20 m. The normal to the plane of the loop is parallel to a constant magnetic fi eld (f 5 08) of magnitude 0.75 T. What is the change DF in the magnetic fl ux that passes through the loop when, starting with the position shown in the drawing, the semicircle is rotated through half a revolution?
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