A non-conducting ring of radius `0.5 m` carries a total charge of `1.11xx10^(-10)`C distributed non-uniformly on its circumference producing an electric field E everywhere is space. The value of the integral `int_(l=oo)^(l=0)-E.dI (l=0` being centre of the ring) in volt isA. `+2`B. `-1`C. `-2`D. zero

A non-conducting ring of radius `0.5 m` carries a total charge of `1.1

1.	A non-conducting ring of radius `0.5 m` carries a total charge of `1.11xx10^(-10)`C distributed non-uniformly on its circumference producing an electric field E everywhere is space. The value of the integral `int_(l=oo)^(l=0)-E.dI (l=0` being centre of the ring) in volt isA. `+2`B. `-1`C. `-2`D. zero
Answer» Correct Answer - 1 `V=(q)/(4piepsilon_(0))[(1)/(x_(0))-(1)/(2x_(0))+(1)/(3x_(0))+(1)/(4x_(0))+......]` `=(q)/(4piepsilon_(0)x_(0))[1-(1)/(2)+(1)/(3)+(1)/(4)+.....]` `=(q)/(4piepsilon_(0)x_(0))log(2)`

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