The maximum electric field at a point on the axis of a uniformly charged ring is \( E_{0} \). At...

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The maximum electric field at a point on the axis of a uniformly charged ring is \( E_{0} \). At how many points on the axis will the magnitude of the electric field be \( E_{0} / 2 \).
(1) 1
(2) 2
(3) 3
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