(II) In Fig. 21–11, the moving rod has a resistance of 0.25Ωand moves on rails 20.0 cm apart. The stationaryconductor has negligible resistance. When a force of 0.350 Nis applied to the rod, it moves to the right at a constantspeed of 1.50 m/s What is the magnetic field? AAB (outward)(a)Force oneléctron(b)FIGURE 21-11 (a) A conductingrod is moved to the right on aU-shaped conductor in a uniformmagnetic field B that points out ofthe page. The induced current isclockwise. (b) Upward force on anelectron in the metal rod (moving tothe right) due to B pointing out ofthe page; hence electrons can collectat the top of the rod, leaving+ charge at the bottom.

Step 1: Given: The resistance of rod is R=0.25 Ω. The distance moved is L=20 cm. The force applied…

Answered: AA B (outward) (a) Force on eléctron…

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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(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?

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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