How would you solve this problem? I used the equation emf = change in flux/change in time but am for some reason not getting the actual answer (1.2 T) A conducting loop has an area of 0.065 m² and is positioned such that a uniform magneticfield is perpendicular to the plane of the loop. When the magnitude of the magnetic fielddecreases to 0.30 T in 0.087 s, the average induced emf in the loop is 1.2 V. What is theinitial value of the magnetic field?(a) 0.42 T(e) 1.9 T(b) 0.75 TCTL(c) 0.87 T(d) 1.2 T

Answered: A conducting loop has an area of 0.065…

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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How would you solve this problem? I used the equation

emf = change in flux/change in time but am for some reason not getting the actual answer (1.2 T)

A conducting loop has an area of 0.065 m² and is positioned such that a uniform magnetic
field is perpendicular to the plane of the loop. When the magnitude of the magnetic field
decreases to 0.30 T in 0.087 s, the average induced emf in the loop is 1.2 V. What is the
initial value of the magnetic field?
(a) 0.42 T
(e) 1.9 T
(b) 0.75 T
CTL
(c) 0.87 T
(d) 1.2 T

Expert Solution

Step 1

$A r e a (A) = 0.065 m^{2} f i n a l m a g n e t i c f i e l d (B_{f}) = 0.30 T i n i t i a l m a g n e t i c f i e l d = B_{i} t i m e (t) = 0.087 s i n d u c e d e m f (E) = 1.2 v o l t s$

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