Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter1: A Physics Toolkit
Section: Chapter Questions
Problem 2STP
Related questions
Question
The rod ab of resistance 3.50 Ω shown in the figure makes contact with U-shaped
metal rails of negligible resistance. The apparatus is in a uniform magnetic field of
1.600T, perpendicular to the plane of the figure (a) Find the magnitude of the emf
induced in the rod when it is moving toward the right with a speed 5.0 m/s. (b) In
what direction does the current flow in the rod? (c) What is the magnitude of the
current? (d) What force is needed to keep the rail moving with constant velocity?
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