Question
A conducting rod of mass m and resistance R, slides with no friction on an horizontal rail of width l and negligible resistance. At t=0, the rod passes O with a velocity v0. The rail is closed from one side only, so that the rod actually forms a closed circuit. A constant magnetic field B is present everywhere, perpendicular to the plane of the rail. v0, m , l, R and B are given?

following variables Vo., Rand b ale kilo TO Which of the following statements is true? Select one: The rod will continue to move at vo. The rod will stop at x = ! The rod will stop at Х--4,, , but only if the magnetic field is directed out of the screen, not if it is directed into the screen. -The rod will stop at x = 4 The rod will continue to move at u = uo mR
Which statement is true ?
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