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e (-) WehA sign for PHYS 204 Sp % "Maiting for rrspansrfi X-+ To see favorites here select then , and drag lo the Fawontes Bar folder Or impot from another browser. Import larriles https://www.webassign.net obstudent/Assignment Responseslest?dep-17807165 12. -121 points 0/6 Submissions Used My Notas Ask Your In the figure below a rectangular loop of wire with wldth w, helght h, and reslstance R Is dragged at constant speed v to the right through a reglon where there is a unlform magnetic field of magnltude B out of the page. The magnctic field is negligibly small outside that region. For each stage of the motion, determine the current i the lcop and the force F required to maintain the constant speed. There are tive stages. (Let the +x axis point to the right, the y axis to point up and the +7 axis to point out of the page. Use any variable or symbol stated above as necessary. In your uploaded work explain each of the five stages including a diagram for each stage showing the direction of the direcion of I, and the approximate surface charge distribulion Resistance R Ba 0outside magnet (a) Belurenler ing lhe magnelic lield region direction magnitude IF direction Select Select (b) While Lhe oup is parl way il le maneli ield reuion (lhis is lhe slage hal is shown) direction magnitude IFI Sele 12:23 PM O Type here to search

Explanation / Answer

a)Since before enetring, there is no current, no change of flux and no force

I = 0 ; F = 0

b)emf = B h v

I = B h v/R

anticlockwise direction

F = B I h

Towards the left

c)Now there will be no change of flux

I = 0 ; F = 0

d)emf = B h v

I = B h v/R

anticlockwise direction

F = B I h

Towards the left

e)Again no change of magnetic flux

I = 0 ; F = 0

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