Question Each corner \( A \) and \( C \) has charge \( q_{1} \) and on the each corner \( B \) and \( D \), has charge \( -q_{2} \) of a square \( A B C D \) of side \( l \).
Charge at \( A \) is in equilibrium, then the ratio \( \frac{q_{1}}{q_{2}} \) will be
(a) 1
(b) \( 2 \sqrt{2} \)
(c) \( \sqrt{2} \)
(d) \( \frac{1}{\sqrt{2}} \)
