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Chapter 25: Q. 34 (page 710)

Two point charges qa and qb are located on the x-axis at x = a and x = b. FIGURE EX25.34 is a graph of V, the electric potential.

a. What are the signs of qa and qb?

b. What is the ratio qa/qb?

c. Draw a graph of Ex, the x-component of the electric field, as a function of x.

Short Answer

Expert verified

a. The signs of qa and qb are positive.

b. The ratio of qa/qb is 1

c. The graph of Ex is

Step by step solution

01

The signs of qa and qb 

The signs of qa and qb are positive as shown in the graph;

02

Ratio of Two Charges 

The ratio of two charges is 1 because two of the charges are positive and there is the same magnitude observed in this process.

03

Graph of Ex 

As d is the distance of the two point charge and x side distance from the charge. d-x is right sides of the charge .

Applying all data

E=q4πε01x2+1d-x2

The value is decreased to get close midpoint between two points charge

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