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A non-conducting ring ofradius 0.5 m car...

A non-conducting ring ofradius 0.5 m carries a total charge of `1.11xx10^(-10)` C distributed non-uniformly on its circumference producing an electric field `vecE` everywhere in space. The value of the line integral `int_(l=oo)^(l=0)-vecE.dvecl` (l= 0 being centre of the ring) is

A

`+2V`

B

`-1V`

C

`-2V`

D

zero

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