A rectangular loop of wire is pulled out of magnetic field B, at a steady velocity v,and in a direction perpendicular to a field.x xC x xixx xx x x x x x4nX xX x Xx xxX X x x X XX XG xx x x x F xFigure 5B?i?v²Shows that the machine must do work at steady rate of P=-as the loop is exitingthe field as shown above.Identify it is easier to pull the loop out of field if the electrical resistance of the wirewere increased? Justify your answer. Compare the changes of induces current (if any)in the loop when the loop is entering the magnetic field and when it is leaving thesame field. By moving its plane parallel to uniform magnetic field, predict what willoccur the loop of wire.Snap a picture of a device in your area which applies the concept of magnetism incurrent carrying conductor.Based on the chosen device, explain the principles and mechanism behind theoperation.X XX X

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B²1?v? as the loop is exiting Shows that the machine must do work at steady rate of PD R

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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

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Concept explainers

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

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A rectangular loop of wire is pulled out of magnetic field B, at a steady velocity v,
and in a direction perpendicular to a field.
x xC x xix
x xx x x x x x4
nX xX x X
x x
xX X x x X X
X XG xx x x x F x
Figure 5
B?i?v²
Shows that the machine must do work at steady rate of P=-
as the loop is exiting
the field as shown above.
Identify it is easier to pull the loop out of field if the electrical resistance of the wire
were increased? Justify your answer. Compare the changes of induces current (if any)
in the loop when the loop is entering the magnetic field and when it is leaving the
same field. By moving its plane parallel to uniform magnetic field, predict what will
occur the loop of wire.
Snap a picture of a device in your area which applies the concept of magnetism in
current carrying conductor.
Based on the chosen device, explain the principles and mechanism behind the
operation.
X XX X

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