The figure below displays a circular loop of nickel wire in a uniform magnetic field pointing into the page. The radius of the loop is 11.0 cm and the magnitude of the field is 0.140 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.190 s to do so. What is the magnitude of the average induced emf in the loop (in mV) during this time? x x X X x my x x x xx x A x x x x R x B x x x x x x x

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter32: Faraday’s Law Of Induction
Section: Chapter Questions
Problem 61PQ
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The figure below displays a circular loop of nickel wire in a uniform magnetic field pointing into the page. The radius of the loop is
11.0 cm and the magnitude of the field is 0.140 T. You grab points A and B and pull them in opposite directions, stretching the
loop until its area is nearly zero, taking a time of 0.190 s to do so. What is the magnitude of the average induced emf in the loop
(in mV) during this time?
x
X
X
X
x
mV
X
x
x
x
x
x
A
Ax
x
x
x
90x
B
x
x
x
x
X
x
x
X
x
Transcribed Image Text:The figure below displays a circular loop of nickel wire in a uniform magnetic field pointing into the page. The radius of the loop is 11.0 cm and the magnitude of the field is 0.140 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.190 s to do so. What is the magnitude of the average induced emf in the loop (in mV) during this time? x X X X x mV X x x x x x A Ax x x x 90x B x x x x X x x X x
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