QA.10: In a certain region of space, the electric field is zero. From this fact, what can you conclude about the electric potential in this region? (a) It is zero. (b) It is positive. (c) It does not vary with position. (d) It is negative. (e) None QA.11: Rank the potential energies of the four systems of charge particles shown in Figure 3 from largest to smallest. -Q Q 2Q Q Y 2r -Q 2r -2Q

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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(d) The force can be directed at any direction.
(e) None
QA.10: In a certain region of space, the electric field is
zero. From this fact, what can you conclude about the electric
potential in this region?
(a) It is zero.
(b) It is positive.
(c) It does not vary with position.
(d) It is negative.
(e) None
QA.11: Rank the potential energies of the four systems of
charge particles shown in Figure 3 from largest to smallest.
-Q
Q
Q
2r
20
Figure 3: Question A.11
(a) d > c, d > a, a > b
(b) c> a, a = b, b> a
(c) b> a, ad, d > c
(d) a > b, b> d, d > c
(e) a > b, bd, d > c
2r
-20
M. Rabiu, Page 6 of 23
QA.12: A proton is released from rest at the origin in a uni-
form electric field in the positive x-direction with magnitude
850 N/C. What is the change in the electric potential energy
Transcribed Image Text:(d) The force can be directed at any direction. (e) None QA.10: In a certain region of space, the electric field is zero. From this fact, what can you conclude about the electric potential in this region? (a) It is zero. (b) It is positive. (c) It does not vary with position. (d) It is negative. (e) None QA.11: Rank the potential energies of the four systems of charge particles shown in Figure 3 from largest to smallest. -Q Q Q 2r 20 Figure 3: Question A.11 (a) d > c, d > a, a > b (b) c> a, a = b, b> a (c) b> a, ad, d > c (d) a > b, b> d, d > c (e) a > b, bd, d > c 2r -20 M. Rabiu, Page 6 of 23 QA.12: A proton is released from rest at the origin in a uni- form electric field in the positive x-direction with magnitude 850 N/C. What is the change in the electric potential energy
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