Question

what is meant by saying let the potential difference b/w 2 points is 1 Volt

Answer 1

P.D is denoted by i
so,
i=Q/t
1v=1c/1sec

Answer 2

Potential difference b/w two points is said to be 1 volt if one joule of work done to move a unit charsge from point A to point B.

Hope it helps...
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