QI: Point charges QI = laC and Q2- 2nC are at a distance apart. Which of the following statements are incomect? (a) The force on Ql is repulsive. (b) The force on Q2 is the same in magnitude as that on QI. (e) As the distance between them decreases, the force on Ql increases lincarly. (d) The force on Q2 is along the line joining them. (e) A point charge Q3 - -3aC located at the midpoint between QI and Q2 experiences no net force.
QI: Point charges QI = laC and Q2- 2nC are at a distance apart. Which of the following statements are incomect? (a) The force on Ql is repulsive. (b) The force on Q2 is the same in magnitude as that on QI. (e) As the distance between them decreases, the force on Ql increases lincarly. (d) The force on Q2 is along the line joining them. (e) A point charge Q3 - -3aC located at the midpoint between QI and Q2 experiences no net force.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:Q1:
Point charges Q1 - lnC and Q2 - 2nC are at a distance apart. Which of the following
statements are incorrect?
(a) The force on Ql is repulsive.
(b) The force on Q2 is the same in magnitude as that on Q1.
(c) As the distance between them decreases, the force on Ql increases linearly.
(d) The force on Q2 is along the line joining them.
(e) A point charge Q3 = -3aC located at the midpoint between Ql and Q2 experiences
no net force.
Q2:
Plane z= 10 m carries charge 20nCim?. The electric field intensity at the origin is
(a) 10n a, Vim
(b) 18m a V/m
(c) 72n a. Vim
(d) 360m a, Vim
Q3:
Acharge Q is uniformly distributed throughout a sphere of radius a. Taking the potential
at infinity as zero, the potential at rb<a is
-), a
dr
(b)
4me
dr
6) -L
(<)
dr
(a) -), am
dr
4me
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