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edugen Wiley plus.com Wiley PLUS question I Chegg.com Return to Blackboard Wiley PLUS Cutnel Physics, 10e Help I System Announcements Assig Assignment Open Assignment PRINTER VERSION BACK NEXT ASSIGNMENT RESOURCES Chapter 22, Problem 12 Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.47 T When viewed edge-on, the first surface is tilted at an angle of 12 from the horizontal, and a net magnetic flux of 7.7 x 104 wb passes through it. The same net magnetic flux passes through the second surface (a) Determine the area of the first surface. (b) Find the smallest possible value of the area of the second surface 04 Chapter 22 Proble Chapter 22 Problem o4 a) Number Units (b) Number Units SHOW HINT Chapter 22 Problem 21 Chapter 22, Problem 33 Chapter 22, Probl Chapter 22 Probl Chapter 22 Problem 41 Chapter 22 Probl By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor, Question Attempts: Unlimited SAVE FOR LATER suBMIT ANSW Earn Maximum Points available only if you Stu answer this question correctly in four Objective attempts or less Copyright 2000-2017 by John Wiley & Sons, Inc. o elated companies. All rights reserved License Agreement Privacy Policy l 2000-2012 2ohn Wiley Sons Inc. All Rights Reserved. A Division o lohn Wiley & Sons inca Version 4.22.2.9Explanation / Answer
(A) magnetic flux = B.A = B A cos(theta)
theta = 90 - 12 = 78 deg
7.7 x 10^-4 = (0.47) (A) cos78
A = 7.88 x 10^-3 m^3
(B) for minimum area, cos(theta) will be maximum.
{ cos(theta)}_max = 1
flux = B A
7.7 x 10^-4 = 0.47 A
A = 1.64 x 10^-3 m^2
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