Problem 3: A q1 = -10.0 nC point charge and a q2 = +20.0 nC point charge are 15 cm apart on the x-axis. 1. What is the electric potential at the point on the x-axis where the electric field is zero? 2. What is the electric field at the point on the x-axis, between the charges, where the electric potential is zero? a) In the figure below, where could a point with E = 0 be located (to the left, to the right, or between the charges)? If the distance between this point and q₁ is r, what should its distance from 92 be? (use 1921/1911 = 2 and the fact that electric field strength is proportional to q/r²) Mark the point E = 0 in the figure and compute its coordinate. 8₁=-10nC 82=20nC x=O x=L= 15 cm b) Compute the electric potential at the point E = 0 as a sum of potentials created in that point by charges q₁ and 92. c) In the figure below, mark the point between the charges where the electric potential is zero (V = 0). If you just use q2\/|q1|= 2 and the fact that electric potential is proportional to q/r, the calculation should be very simple. &=-10nC 82=20nC XEO 3 x=L= IS cm
Problem 3: A q1 = -10.0 nC point charge and a q2 = +20.0 nC point charge are 15 cm apart on the x-axis. 1. What is the electric potential at the point on the x-axis where the electric field is zero? 2. What is the electric field at the point on the x-axis, between the charges, where the electric potential is zero? a) In the figure below, where could a point with E = 0 be located (to the left, to the right, or between the charges)? If the distance between this point and q₁ is r, what should its distance from 92 be? (use 1921/1911 = 2 and the fact that electric field strength is proportional to q/r²) Mark the point E = 0 in the figure and compute its coordinate. 8₁=-10nC 82=20nC x=O x=L= 15 cm b) Compute the electric potential at the point E = 0 as a sum of potentials created in that point by charges q₁ and 92. c) In the figure below, mark the point between the charges where the electric potential is zero (V = 0). If you just use q2\/|q1|= 2 and the fact that electric potential is proportional to q/r, the calculation should be very simple. &=-10nC 82=20nC XEO 3 x=L= IS cm
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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I got this problem wrong as well, I don't know what I keep getting the wrong answer. Can you help me with PAart A,B And C and can you label them so I can know which one is which. thank you
Transcribed Image Text:Problem 3: A q1 = -10.0 nC point charge and a q2 = +20.0 nC point charge are 15 cm apart on the x-axis.
1. What is the electric potential at the point on the x-axis where the electric field is zero?
2. What is the electric field at the point on the x-axis, between the charges, where the electric potential
is zero?
a) In the figure below, where could a point with E = 0 be located (to the left, to the right, or between
the charges)? If the distance between this point and q₁ is r, what should its distance from 92 be? (use
1921/1911 = 2 and the fact that electric field strength is proportional to q/r²) Mark the point E = 0 in the
figure and compute its coordinate.
8₁=-10nC 82=20nC
x=O
x=L= 15 cm
b) Compute the electric potential at the point E = 0 as a sum of potentials created in that point by
charges q₁ and 92.
c) In the figure below, mark the point between the charges where the electric potential is zero (V = 0).
If you just use q2\/|q1|= 2 and the fact that electric potential is proportional to q/r, the calculation should
be very simple.
&=-10nC 82=20nC
XEO
3
x=L= IS cm
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