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Q.15

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 738

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Short Answer

The electric potential along the x-axis is , where is in meters. What is at (a) and (b) ?

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Step by Step Solution

Step 1 : Given information and theory used  

Given : The electric potential along the x-axis is :

(a) and (b)

Theory used :

The electric field is expressed as a function of potential as :

Step 2 : Calculating 

The negative derivative of the potential is equivalent to the component of the electric field. As a result,

(a) We have .

(a) We have .

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