Four point charges, each with ? = 4.5 ??, are arranged at the corners of a square of edge length 1.5 ?. What is the electric potential at the center of the square? Answer: 150 ??  what is the process to get to my answer

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Chapter1: Units, Trigonometry. And Vectors
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Four point charges, each with ? = 4.5 ??, are arranged at the corners of a square of edge length 1.5 ?. What is the electric potential at the center of the square? Answer: 150 ?? 

what is the process to get to my answer

Expert Solution
Step 1

Given charge 

Q=4.5 nC=4.5*10-9 C

a=edge lenghth of the square=1.5 m

 

We know that the distance between the center and the corner of the square is a/2

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