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

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Chapter1: Units, Trigonometry. And Vectors
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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
Transcribed Image Text: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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