MCQ
An electron at rest is accelerated by a potential $'\ V_1\ ',$ in uniform field experiences a force $'\ F_1\ '.$ When potential is changed to $'\ V_2\ ',$ the force experienced by the electron gets doubled. The ratio of $V_1$ to $V_2$ is $.......$
- A$1 : 4$
- B$2 : 1$
- ✓$1 : 2$
- D$4 : 1$