Distinguish between emf and potential difference.

Explanation

Following points distinguish between emf and potential difference :
`{:("Sr.No.","emf","Potential difference"),("i)","It is the difference in electrode","It is the difference in electrode potentials"),(,"potential when no current","when current is flowing through the cell."),(,"flows through the cell.",),("ii)","It is the maximum voltage which","It is less than maximum voltage which can be"),(,"can be obtained from the cell.","obtained from the cell."):}`