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                                    What is Electric field , potential? | 
                            
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Answer» Thanks Dv/Dx?can you explain how this formula is arrived ? It\'s the work done to move a test charge or you can say a point charge from a reference point to another point without producing any acceleration. Dv/DX is it\'s formula or Kq/r.. where k = 9*10^9.....I hope it may help you  | 
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