AA B (outward) (a) Force on eléctron (b) FIGURE 21-11 (a) A conducting rod is moved to the right on a U-shaped conductor in a uniform magnetic field B that points out of the page. The induced current is clockwise. (b) Upward force on an electron in the metal rod (moving to the right) due to B pointing out of the page; hence electrons can collect at the top of the rod, leaving + charge at the bottom.
AA B (outward) (a) Force on eléctron (b) FIGURE 21-11 (a) A conducting rod is moved to the right on a U-shaped conductor in a uniform magnetic field B that points out of the page. The induced current is clockwise. (b) Upward force on an electron in the metal rod (moving to the right) due to B pointing out of the page; hence electrons can collect at the top of the rod, leaving + charge at the bottom.
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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Question
(II) In Fig. 21–11, the moving rod has a resistance of 0.25Ω
and moves on rails 20.0 cm apart. The stationary
conductor has negligible resistance. When a force of 0.350 N
is applied to the rod, it moves to the right at a constant
speed of 1.50 m/s What is the magnetic field?
Transcribed Image Text:AA
B (outward)
(a)
Force on
eléctron
(b)
FIGURE 21-11 (a) A conducting
rod is moved to the right on a
U-shaped conductor in a uniform
magnetic field B that points out of
the page. The induced current is
clockwise. (b) Upward force on an
electron in the metal rod (moving to
the right) due to B pointing out of
the page; hence electrons can collect
at the top of the rod, leaving
+ charge at the bottom.
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