A single-turn circular loop has a radius of 25 cm, it is placed in a magnetic field of B = 3.5 T which is perpendicular to the plane of the loop, see the figure below. The loop is reshaped into a perfect square without stretching the length of the loop. It takes 0.43 s to reshape the loop. What is the magnetic flux through the loop before and after it is reshaped? B X X X X X X X X X X\X X х X/X X\X хххх X\X х X X X x X/Xх X X X X X X хх The initial flux, ₁ = 0.0000006 X Units mWb The final flux, f = 5 What is the magnitude of the average induced emf in the loop during the reshaping process? The induced emf, Emf = 34 x Units mWb x Units mV

A single-turn circular loop has a radius of 25 cm, it is placed in a magnetic field of B = 3.5 T which is perpendicular to the plane of the loop, see the figure below. The loop is reshaped into a perfect square without stretching the length of the loop. It takes 0.43 s to reshape the loop. What is the magnetic flux through the loop before and after it is reshaped? B X X X X X X X X X X\X X х X/X X\X хххх X\X х X X X x X/Xх X X X X X X хх The initial flux, ₁ = 0.0000006 X Units mWb The final flux, f = 5 What is the magnitude of the average induced emf in the loop during the reshaping process? The induced emf, Emf = 34 x Units mWb x Units mV

College Physics

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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

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

=
A single-turn circular loop has a radius of 25 cm, it is placed in a magnetic field of B 3.5 T which is
perpendicular to the plane of the loop, see the figure below. The loop is reshaped into a perfect square
without stretching the length of the loop. It takes 0.43 s to reshape the loop. What is the magnetic flux
through the loop before and after it is reshaped?
B
X X X X X
X X
X
X
X
X X X
x x
The final flux, Of
= 5
x
X X X X X
X
The initial flux, ¡ = 0.0000006 X Units mWb
Х Х
The induced emf, Emf = 34
X Units mWb
x X
X X
What is the magnitude of the average induced emf in the loop during the reshaping process?
X Units mV
хх
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