A circular coil of radius 0.140 m contains a single turn and is located in a constant magnetic field of magnitude 0.290 T. The magnetic field has the same direction as the normal to the plane of the coil. The radius increases to 0.300 m in a time of 0.0880 s. (a) Determine the magnitude of the emf induced in the coil. (b) The coil has a resistance of 0.660 0. Find the magnitude of the induced current. (a) Number i Units (b) Number Units

A circular coil of radius 0.140 m contains a single turn and is located in a constant magnetic field of magnitude 0.290 T. The magnetic field has the same direction as the normal to the plane of the coil. The radius increases to 0.300 m in a time of 0.0880 s. (a) Determine the magnitude of the emf induced in the coil. (b) The coil has a resistance of 0.660 0. Find the magnitude of the induced current. (a) Number i Units (b) Number Units

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 24P: A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of...

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A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of magnitude 0.50 T so that the face of the coil and the magnetic field are perpendicular. Find the magnitude of the emf induced in the coil if the magnetic field is reduced to zero uniformly in (a) 0.10 s, (b) 1.0 s, and (c) 60 s.
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