A 5-turns circular loop of wire is initially oriented with a uniform magnetic field of 4 T. The loop is rotated along the horizor in the figure) for a 90° rotation in 0.2 s. After the rotation, its plane is field. The surface area of the circular loop is 0.5 m? and the resistane During the rotation, (a) what is the average voltage in the coil? (b) what is the average electric power in the coil? voltage : %3D power =

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 59P: A flip coil is a relatively simple device used to measure a magnetic field, It consists of a...
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A 5-turns circular loop of wire is initially oriented with its plane parallel to
a uniform magnetic field of 4 T. The loop is rotated along the horizontal axis (dashed line
in the figure) for a 90° rotation in 0.2 s. After the rotation, its plane is perpendicular to the
field. The surface area of the circular loop is 0.5 m2 and the resistance of the coil is 0.8 N.
During the rotation,
(a) what is the average voltage in the coil?
(b) what is the average electric power in the coil?
voltage
power
Transcribed Image Text:A 5-turns circular loop of wire is initially oriented with its plane parallel to a uniform magnetic field of 4 T. The loop is rotated along the horizontal axis (dashed line in the figure) for a 90° rotation in 0.2 s. After the rotation, its plane is perpendicular to the field. The surface area of the circular loop is 0.5 m2 and the resistance of the coil is 0.8 N. During the rotation, (a) what is the average voltage in the coil? (b) what is the average electric power in the coil? voltage power
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