A circular, extensible and flexible conductive strip of radius r(t) has a constant resistance R. The circle is in a uniform magnetic field outward from the plane of the page given by B = Bok. Under the influence of the external force uniformly distributed over the circumference of the circle, the circle expands with constant velocity, starting from radius ro to a larger radius r. The radius changes with time as r = r + vot. Find the electromotive force () induced in the circle for B₁ = 2.0 (T) and Vo = 3.0 (n=3) A) 6r B) 3r C) 12r D) 9r E) 36r B r(t)

A circular, extensible and flexible conductive strip of radius r(t) has a constant resistance R. The circle is in a uniform magnetic field outward from the plane of the page given by B = Bok. Under the influence of the external force uniformly distributed over the circumference of the circle, the circle expands with constant velocity, starting from radius ro to a larger radius r. The radius changes with time as r = r + vot. Find the electromotive force () induced in the circle for B₁ = 2.0 (T) and Vo = 3.0 (n=3) A) 6r B) 3r C) 12r D) 9r E) 36r B r(t)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 72AP: A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is...

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