A metal bar with length LL, mass mm, and resistance RR is placed on frictionless metal rails that are inclined at an angle & above the horizontal. The rails have negligible resistance. A uniform magnetic field of magnitude BB is directed downward in the figure (Figure 1). The bar is released from rest and slides down the rails. Is the direction of the current induced in the bar from a to bor from b to a?
A metal bar with length LL, mass mm, and resistance RR is placed on frictionless metal rails that are inclined at an angle & above the horizontal. The rails have negligible resistance. A uniform magnetic field of magnitude BB is directed downward in the figure (Figure 1). The bar is released from rest and slides down the rails. Is the direction of the current induced in the bar from a to bor from b to a?
Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 39P: Two flat, circular coils, each with a radius R and wound with JV turns, ace mounted along the same...
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Transcribed Image Text:A metal bar with length LL, mass
mm, and resistance RR is placed on
frictionless metal rails that are
inclined at an angle & above the
horizontal. The rails have negligible
resistance. A uniform magnetic field
of magnitude BB is directed
downward in the figure (Figure 1).
The bar is released from rest and
slides down the rails.
Is the direction of the current
induced in the bar from a to bor
from b to a?
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