A rod of mass m and resistance R slides without friction in a horizontal plane, moving on parallel rails as shown in Figure 4. The rails are separated by a distance d. A battery that maintains a constant emf ɛ is connected between the rails, and a constant magnetic field B is directed out of the page. Assuming the rod starts from rest at timet = 0, find its velocity in terms of time t, ɛ, B, d, m, and R.

A rod of mass m and resistance R slides without friction in a horizontal plane, moving on parallel rails as shown in Figure 4. The rails are separated by a distance d. A battery that maintains a constant emf ɛ is connected between the rails, and a constant magnetic field B is directed out of the page. Assuming the rod starts from rest at timet = 0, find its velocity in terms of time t, ɛ, B, d, m, and R.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 83A

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Concept explainers

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

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A rod of mass m and resistance R slides without friction in a horizontal plane, moving on parallel rails
as shown in Figure 4. The rails are separated by a distance d. A battery that maintains a constant emf
ɛ is connected between the rails, and a constant magnetic field B is directed out of the page. Assuming
the rod starts from rest at timet = 0, find its velocity in terms of time t, ɛ, B, d, m, and R.

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