As shown in the figure, two frictionless conducting rails (#1 and #2) are attached to a 20.0° incline such that the inside edges are 80.0 cm apart. A copper bar with a mass of 0.242 kg slides (without friction) at a constant speed down the conducting rails. Sliding bar a What is the direction of the current in the sliding bar? Ofrom rail #1 to rail #2 from rail #2 to rail #1 Conducting rails #1 #2 If there is a vertical magnetic field of 0.0476 T in magnitude in the region of the incline, determine the magnitude of the current I that flows through the sliding copper bar. I = A

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter12: Sources Of Magnetic Fields
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As shown in the figure, two frictionless conducting rails (#1 and #2) are attached to a 20.0° incline such that the inside edges are
80.0 cm apart. A copper bar with a mass of 0.242 kg slides (without friction) at a constant speed down the conducting rails.
Sliding bar
Conducting rails
What is the direction of the current in the sliding bar?
O from rail #1 to rail #2
from rail #2 to rail #1
#1
#2
If there is a vertical magnetic field of 0.0476 T in magnitude in the region of the incline, determine the magnitude of the current I
that flows through the sliding copper bar.
I =
A
Transcribed Image Text:As shown in the figure, two frictionless conducting rails (#1 and #2) are attached to a 20.0° incline such that the inside edges are 80.0 cm apart. A copper bar with a mass of 0.242 kg slides (without friction) at a constant speed down the conducting rails. Sliding bar Conducting rails What is the direction of the current in the sliding bar? O from rail #1 to rail #2 from rail #2 to rail #1 #1 #2 If there is a vertical magnetic field of 0.0476 T in magnitude in the region of the incline, determine the magnitude of the current I that flows through the sliding copper bar. I = A
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