In the figure below, a metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal on one end. A magnetic field of magnitude B = .5 T points out of the page. L B a) If the rails are separated by L = 25 cm and the speed of the rod is 50 cm/s, what emf is generated? b)If the rod has resistance 20 Ohm and connector has negligible resistance, what is the current in the rod? A c) At what rate the energy is being transferred to thermal energy? d)What external force is needed to maintain the constant velocity?

In the figure below, a metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal on one end. A magnetic field of magnitude B = .5 T points out of the page. L B a) If the rails are separated by L = 25 cm and the speed of the rod is 50 cm/s, what emf is generated? b)If the rod has resistance 20 Ohm and connector has negligible resistance, what is the current in the rod? A c) At what rate the energy is being transferred to thermal energy? d)What external force is needed to maintain the constant velocity?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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