A straight rod moves along parallel con- ducting rails, as shown. The rails are con- nected at the left side through a resistor so that the rod and rails form a closed rectangu- lar loop. A uniform field perpendicular to the movement of the rod exists throughout the region. Assume the rod remains in contact with the rails as it moves. The rod experiences no friction or air drag. The rails and rod have negligible resistance. 3.7 T 3.7 T At what speed should the rod be moving to produce the downward current in the resistor? Answer in units of m/s. 0.39 A – 8 7.6 g 1.6 m

A straight rod moves along parallel con- ducting rails, as shown. The rails are con- nected at the left side through a resistor so that the rod and rails form a closed rectangu- lar loop. A uniform field perpendicular to the movement of the rod exists throughout the region. Assume the rod remains in contact with the rails as it moves. The rod experiences no friction or air drag. The rails and rod have negligible resistance. 3.7 T 3.7 T At what speed should the rod be moving to produce the downward current in the resistor? Answer in units of m/s. 0.39 A – 8 7.6 g 1.6 m

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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