Learning Goal: To understand how the charges within a conductor respond to an externally applied electric field. To illustrate the behavior of charge inside conductors, consider a long conducting rod that is suspended by insulating strings (see the figure). Assume that the rod is initially electrically neutral, and that it remains so for this discussion. The rod is positioned along the x axis, and an external electric field that points in the positive x direction (to the right) can be applied to the rod and the surrounding region. The atoms in the rod are composed of positive nuclei (indicated by plus signs) and negative electrons (indicated by minus signs). Before application of the electric field, these atoms were distributed evenly throughout the rod. (Eigure 1) What is the force felt by the electrons and the nuclei in the rod when the external field described in the problem introduction is applied? (Ignore internal fields in the rod for the moment.) ▸ View Available Hint(s) O Both electrons and nuclei experience a force to the right. O The nuclei experience a force to the right and the electrons experience a force to the left. O The electrons experience a force to the left but the nuclei experience no force. O The electrons experience no force but the nuclei experience a force to the right. Submit Part B What is the motion of the negative electrons and positive atomic nuclei caused by the external field? ▸ View Available Hint(s) O Both electrons and nuclei move to the right O The nuclei move to the right and the electrons move to the left through equal distances. O The electrons move to the left and the nuclei are almost stationary. O The electrons are almost stationary and the nuclei move to the right.
Learning Goal: To understand how the charges within a conductor respond to an externally applied electric field. To illustrate the behavior of charge inside conductors, consider a long conducting rod that is suspended by insulating strings (see the figure). Assume that the rod is initially electrically neutral, and that it remains so for this discussion. The rod is positioned along the x axis, and an external electric field that points in the positive x direction (to the right) can be applied to the rod and the surrounding region. The atoms in the rod are composed of positive nuclei (indicated by plus signs) and negative electrons (indicated by minus signs). Before application of the electric field, these atoms were distributed evenly throughout the rod. (Eigure 1) What is the force felt by the electrons and the nuclei in the rod when the external field described in the problem introduction is applied? (Ignore internal fields in the rod for the moment.) ▸ View Available Hint(s) O Both electrons and nuclei experience a force to the right. O The nuclei experience a force to the right and the electrons experience a force to the left. O The electrons experience a force to the left but the nuclei experience no force. O The electrons experience no force but the nuclei experience a force to the right. Submit Part B What is the motion of the negative electrons and positive atomic nuclei caused by the external field? ▸ View Available Hint(s) O Both electrons and nuclei move to the right O The nuclei move to the right and the electrons move to the left through equal distances. O The electrons move to the left and the nuclei are almost stationary. O The electrons are almost stationary and the nuclei move to the right.
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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Transcribed Image Text:Item 8
Learning Goal:
To understand how the charges within a conductor respond to an externally
applied electric field.
To illustrate the behavior of charge inside conductors, consider a long
conducting rod that is suspended by insulating strings (see the figure).
Assume that the rod is initially electrically neutral, and that it remains so for
this discussion. The rod is positioned along the x axis, and an external
electric field that points in the positive x direction (to the right) can be
applied to the rod and the surrounding region. The atoms in the rod are
composed of positive nuclei (indicated by plus signs) and negative electrons
(indicated by minus signs). Before application of the electric field, these
ator were distributed evenly throughout the rod. (Figure 1)
Figure
A
+
+
+
+x
+
E
+
+
+
+ -
+
+
+1+
B
1 of 1
Part A
Both electrons and nuclei experience a force to the right.
The nuclei experience a force to the right and the electrons experience a force to the left.
The electrons experience a force to the left but the nuclei experience no force.
The electrons experience no force but the nuclei experience a force to the right.
What is the force felt by the electrons and the nuclei in the rod when the external field described in the problem introduction is applied? (Ignore internal fields in the rod for the moment.)
► View Available Hint(s)
Submit
Part B
What is the motion of the negative electrons and positive atomic nuclei caused by the external field?
► View Available Hint(s)
Both electrons and nuclei move to the right.
The nuclei move to the right and the electrons move to the left through equal distances.
The electrons move to the left and the nuclei are almost stationary.
O The electrons are almost stationary and the nuclei move to the right.
Submit
Part C Complete previous part(s)
Part D Complete previous part(s)
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Expert Solution
Introduction:
In this case, it is given that, the electric filed is towards the right. In the rod, the positive charges are nuclei and the negative charges are electrons.
It is required to identify form the given options:
the direction of forces felt by the electrons and the nuclei when the external electric field is applied.
the motion of the negative electrons and positive atomic nuclei caused by the external field.
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