A uniform magnetic field of magnitude B = 0.170 T pointing out of the page exists in a region where there is a wire wrapped N times around in a circle of radius r = 1.70 cm and then connected back onto itself. The wire assembly is moved completely out of the field (by the person in the figure, but we know people aren't that small-so it must be a Gremlin) during a time interval At = 34.0 ms. The average induced emf has a magnitude ɛ = 22.7 mV. a. Find the number of wraps N in the wire loop. b. Is the induced current in the wire loop clockwise or counterclockwise? Explain!

A uniform magnetic field of magnitude B = 0.170 T pointing out of the page exists in a region where there is a wire wrapped N times around in a circle of radius r = 1.70 cm and then connected back onto itself. The wire assembly is moved completely out of the field (by the person in the figure, but we know people aren't that small-so it must be a Gremlin) during a time interval At = 34.0 ms. The average induced emf has a magnitude ɛ = 22.7 mV. a. Find the number of wraps N in the wire loop. b. Is the induced current in the wire loop clockwise or counterclockwise? Explain!

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

. A uniform magnetic field of magnitude B = 0.170 T pointing out of the page exists in a
region where there is a wire wrapped N times around in a circle of radius r = 1.70 cm and
then connected back onto itself. The wire assembly is moved completely out of the field
(by the person in the figure, but we know people aren't that small-so it must be a Gremlin)
during a time interval At = 34.0 ms. The average induced emf has a magnitude e = 22.7 mV.
B
a. Find the number of wraps N in the wire loop.
b. Is the induced current in the wire loop clockwise or counterclockwise? Explain!

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