A flexible, circular conducting loop of radius R = 0.15 m lies in a uniform magnetic field B = 0.25 T. The loop is pulled on opposite sides by equal forces and stretched until its enclosed area A is essentially zero m², as suggested in the drawings. It takes At = 0.30 s to close the loop. X X X X X X X X X X X X X X X initial situation X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X final situation 13. Determine the magnitude of the EMF induced in the loop. A) 1.2 x 10-1 V B) 1.8 x 10-2² V C) 1.8 x 102 V D) 5.9 x 10-² V E) 5.9 × 102 V X X X

A flexible, circular conducting loop of radius R = 0.15 m lies in a uniform magnetic field B = 0.25 T. The loop is pulled on opposite sides by equal forces and stretched until its enclosed area A is essentially zero m², as suggested in the drawings. It takes At = 0.30 s to close the loop. X X X X X X X X X X X X X X X initial situation X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X final situation 13. Determine the magnitude of the EMF induced in the loop. A) 1.2 x 10-1 V B) 1.8 x 10-2² V C) 1.8 x 102 V D) 5.9 x 10-² V E) 5.9 × 102 V X X X

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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Concept explainers

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

Question

A flexible, circular conducting loop of radius R = 0.15 m lies in a uniform magnetic field
B = 0.25 T. The loop is pulled on opposite sides by equal forces and stretched until its
enclosed area A is essentially zero m², as suggested in the drawings. It takes
At = 0.30 s to close the loop.
X
X
X
X
X
X
X X
X
X
X
X
X X
X
initial situation
X
X
X
X
X
X X X X
X
X
X X
X X X
X X
X
X X X
X X
13. Determine the magnitude of the EMF induced in the loop.
A) 1.2 x 10-¹ V
B) 1.8 x 10-2 V
C) 1.8 × 10² V
D) 5.9 x 10-2 V
E) 5.9 × 10² V
X
X
final situation
X
X X X
X X X

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