3. 3. a) 3. b) 3. c) Ø 8 As shown in the figure below, a conductor bar starts from rest and slides vertically down along a conductor track while maintaining good contact. The uniform magnetic field is 0.207 in the whole space. The width of the track is 0.50m. The mass of the bar is 0.10kg. The resistance of the track is negligible, but the resistance of the bar is 3.002. For all calculations below, ignore air resistance and friction. Calculate the induced current in the bar when the bar reaches a constant falling speed under the combined influence of its gravity and the magnetic force. Calculate the constant speed at which the bar can fall under the combined influence of its gravity and the magnetic force. Describe the energy conversion in the process, and show that your results from parts (a) and (b) agree with the conservation of energy. Ø Ø 8

3. 3. a) 3. b) 3. c) Ø 8 As shown in the figure below, a conductor bar starts from rest and slides vertically down along a conductor track while maintaining good contact. The uniform magnetic field is 0.207 in the whole space. The width of the track is 0.50m. The mass of the bar is 0.10kg. The resistance of the track is negligible, but the resistance of the bar is 3.002. For all calculations below, ignore air resistance and friction. Calculate the induced current in the bar when the bar reaches a constant falling speed under the combined influence of its gravity and the magnetic force. Calculate the constant speed at which the bar can fall under the combined influence of its gravity and the magnetic force. Describe the energy conversion in the process, and show that your results from parts (a) and (b) agree with the conservation of energy. Ø Ø 8

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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Concept explainers

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

Question

3.
3. a)
3. b)
3. c)
8
Ø Ø
Ø
8
Ø
As shown in the figure below, a conductor bar starts from rest and slides vertically down along a
conductor track while maintaining good contact. The uniform magnetic field is 0.207 in the
whole space. The width of the track is 0.50m. The mass of the bar is 0.10kg. The resistance of
the track is negligible, but the resistance of the bar is 3.02. For all calculations below, ignore air
resistance and friction.
Calculate the induced current in the bar when the bar reaches a constant falling speed under the
combined influence of its gravity and the magnetic force.
Calculate the constant speed at which the bar can fall under the combined influence of its gravity
and the magnetic force.
Describe the energy conversion in the process, and show that your results from parts (a) and (b)
agree with the conservation of energy.
Ø
Ø
Ø
Ø

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