Physics - Electrostatics Question with Solution | TestHub

A point charge$q_1=4q_0$is placed at origin. Another point charge$q_2=-q_0$is placed at$x=12 \mathrm{cm}$. Charge of proton is$q_0$. The proton is placed on$x$-axis so that the electrostatic force on the proton in zero. In this situation, the position of the proton from the origin is ______$\mathrm{cm}$.