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A circular ring carries a charge
$Q$
, the variation of electric field with distance
$x$
measured from centre along axis for
$x<<R$
can be given as [
$R⟶$
Radius of Ring]
A
$E∝x_{2}1 $
B
$E∝x$
C
$E∝x_{3}1 $
D
$Noneofthese$
Hard
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Correct option is A)
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