Calculate the average magnitude of the induced emf

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Reference no: EM1350158

Q. An emf is induced in a conducting loop of wire 1.24 m long as its shape is changed from square to circular. Calculate the average magnitude of the induced emf if the change in shape occurs in 4.03 s, and the local 0.109 T magnetic field is perpendicular to the plane of the loop.

Q. A string is wrapped around a disk of mass m = 2.3 kg and radius R = 0.12 m. Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At the instant when the center of the disk has moved a distance x = 0.12 m, a length d = 0.27 m of string has unwound off the disk.

what is krot?

Reference no: EM1350158

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