A light conducting string is formed into a circular hoop with initial radius 25.0 cm. The...
A light conducting string is formed into a circular hoop with
initial radius 25.0 cm. The hoop is placed in a 2.40-T uniform
magnetic field so that its plane is perpendicular to the field, and
the string is drawn to collapse the hoop to zero area in 200 ms.
What is the average emf generated in the hoop during its collapse?
(Enter the magnitude.)
...........V
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A light conducting string is formed into a circular hoop with
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