CBSE Class 12-science Answered
Shouldn't it be 8 - 3.5 = 4.5 ?
Asked by jay7venture | 06 Oct, 2018, 08:55: PM
Expert Answer
yes you are correct. " 8 - 3.5 = 4.5 " is correct calculation of potential difference.
By definition, unit volt stands for potential difference between two locations in electric field,
if the workdone to move a unit charge( 1 C ) from one location to other location is 1 Joule.
hence to move a 20C charge between the locations and if they differ by 1 V in potential differece,
the required workdone is 20×4.5 = 90 J
Answered by Thiyagarajan K | 06 Oct, 2018, 09:28: PM
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