A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.20 m and a mass of 0.080 kg. A uniform magnetic field of magnitude 0.070 T is directed from the ceiling to the floor. When a current of I = 42 A exists in the wire, the wire swings upward and, at equilibrium, makes an angle o with respect to the vertical, as the drawing shows. (a) Draw the free-body diagram showing the forces that act on the wire. Account for each of the strings separately. (b) Find the angle p. (c) Find

A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.20 m and a mass of 0.080 kg. A uniform magnetic field of magnitude 0.070 T is directed from the ceiling to the floor. When a current of I = 42 A exists in the wire, the wire swings upward and, at equilibrium, makes an angle o with respect to the vertical, as the drawing shows. (a) Draw the free-body diagram showing the forces that act on the wire. Account for each of the strings separately. (b) Find the angle p. (c) Find

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 12.2CYU: Check Your Understanding The wire loop forms a full circle of radius R and current I. What is the...

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