(II) A conducting rod rests on two long frictionless
Chapter , Problem 33(choose chapter or problem)
(II) A conducting rod rests on two long frictionless parallelrails in a magnetic field B (_L to the rails and rod) as inFig. 29-44. (a) I f the rails are horizontal and the rod is givenan in itia l push, w ill the rod travel at constant speed eventhough a magnetic field is present? (b ) Suppose at t = 0,when the rod has speed v = v0 , the two rails areconnected electrically by a wire from point a to point b.Assuming the rod has resistance R and the rails havenegligible resistance, determine the speed of the rod as afunction of time. Discuss your answer.
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