select correct answer and give reason.

Asked by gunjansingh | 25th Jun, 2011, 05:10: PM

Expert Answer:

Since electric field, E = dV / dr; where, V = electric potential
 
The E is proportional to the distance r from the origin so V is proportional to r2.

Answered by  | 27th Jun, 2011, 12:06: PM

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