The maximum electric field at a point on the axis a uniformly charged ring is \( \mathrm{E}_{0} ...

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The maximum electric field at a point on the axis a uniformly charged ring is \( \mathrm{E}_{0} \). At how many points on the axis will the magnitude of electric field be \( \mathrm{E}_{0} / 2 \) :-
(A) 1
(B) 2
(C) 3
\( \left(D^{*}\right) 4 \)
\( P \)
W.
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