Ratio of magnitudes of charges $\left|\frac{Q_{a}}{Q_{b}}\right|$ will be equal to

(A) $\left(1+\frac{\ell}{x_{1}}\right)$

(B) $\left(1+\frac{i}{x_{1}}\right)^{2}$

(C) $1+\left(\frac{\ell}{x_{1}}\right)^{2}$

(D) $\left(1+\frac{\varepsilon}{x_{1}}\right)^{4}$