electricity

Asked by kanishkaaggarwal | 23rd Oct, 2009, 09:31: PM

Expert Answer:

voltage difference between two points is the work done by unit positive charge in moving from one point to the other point. work may be positive or negative depend upon the nature of charge thats why the potential will be negative or positive .

 

Answered by  | 25th Oct, 2009, 04:14: PM

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