 # Charge q 1 = 1.00 nC is at x 1 = 0 and charge q 2 = 3.00 nC is at x 2 = 2.00 m. At what point between the two charges is the electric field equal to zero? ### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300 ### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

#### Solutions

Chapter
Section
Chapter 15, Problem 21P
Textbook Problem

## Charge q1 = 1.00 nC is at x1 = 0 and charge q2 = 3.00 nC is at x2 = 2.00 m. At what point between the two charges is the electric field equal to zero?

Expert Solution
To determine
The point at which electric field is zero.

### Explanation of Solution

Given info: The charges q1=1.00nC and q2=3.00nC are placed at x1=0 and x2=2.00m

Let x be the distance of the point from q1

Formula to calculate the electric field due to q1 is,

E1=keq1x2

Formula to calculate the electric field due to q2 is,

E2=keq2(x2x)2

At the point where the electric field is zero,

E1=E2

Therefore,

keq1x2=keq2

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