The electric field in a region is directed outward and is proportional to the distance r from the origin. Taking the electric potential at the origin to be zero, 

(a) it is uniform in the region 

(b) it is proportional to r 

(c) it is proportional to r2 

(d) it increases as one goes away from the origin.

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1 Answers

(c) it is proportional to r2.

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