A conducting bar of mass M slides without friction down two vertical conducting rails, which are separated by a distance L and are joined at the top through an unknown resistance. The bar maintains electrical contact with the rails at all time. There is a uniform magnetic field B directed into the page, as shown. The bar is observed to ultimately fall with a constant terminal speed of vo. a) On the figure, draw all forces acting on the bar. b) Determine the magnitude of the induced current, I, in the bar, as it falls with the terminal velocity. c) Determine the voltage induced in the bar, in terms of B, L, g, vo, and M. d) Determine the resistance R in terms of B, L, g, Vo, and M. R Binto page)

A conducting bar of mass M slides without friction down two vertical conducting rails, which are separated by a distance L and are joined at the top through an unknown resistance. The bar maintains electrical contact with the rails at all time. There is a uniform magnetic field B directed into the page, as shown. The bar is observed to ultimately fall with a constant terminal speed of vo. a) On the figure, draw all forces acting on the bar. b) Determine the magnitude of the induced current, I, in the bar, as it falls with the terminal velocity. c) Determine the voltage induced in the bar, in terms of B, L, g, vo, and M. d) Determine the resistance R in terms of B, L, g, Vo, and M. R Binto page)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 108CP: A wire ismade into a circular shape of radius R and pivoted along a central support.The two ends of...

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