# Charges 2 q and q are placed at $\;(a , 0)\;and\;(-a , 0)\;.$ The points where electric field is zero will lie in

$(a)\;(-a , a)\qquad(b)\;x < -a\qquad(c)\;x > a\qquad(d)\;None$

Answer : (a) $\;(-a , a)$
Explanation :