In the circuit shown, the charge on the left plate of 20 μ F capacitor is -50 μ C. The charge on the right plate of the 12 μ F capacitor is:

In the circuit shown, the charge on the left plate of $\displaystyle 20 \mu \mathrm{~F}$ capacitor is $\displaystyle -50 \mu \mathrm{C}$. The charge on the right plate of the $\displaystyle 12 \mu \mathrm{~F}$ capacitor is :