5. Two point charges are arranged along the x axis as shown in the figure. At which of the following values of x is the electric potential equal to zero? Note: At infinity, the electric potential is zero. +2.0 μC -5.0 μC X

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter16: Electrical Energy And Capacitance
Section: Chapter Questions
Problem 12P: The two charges in Figure P16.12 are separated by d = 2.00 cm. Find the electric potential at (a)...
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5. Two point charges are arranged along the x axis as shown in the figure. At which of the following
values of x is the electric potential equal to zero? Note: At infinity, the electric potential is zero.
+2.0 με
-5.0 μC
|
0
I
1.0 m
Transcribed Image Text:5. Two point charges are arranged along the x axis as shown in the figure. At which of the following values of x is the electric potential equal to zero? Note: At infinity, the electric potential is zero. +2.0 με -5.0 μC | 0 I 1.0 m
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let us take a point at x m from -5 μC chargeand (1+x) m from +2 μCthuspotential at this point will bek(+2 μC)x+1+k-5 μCx=02 x+1=5x       2x=5x+5x=-53m      =-1.67 mits coming out to be negative so its not possible as distance cannot be negative

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