question_answer

A particle A has charge +q and a particle B has charge +4q with each of them having the same mass m, when allowed to fall through from rest through the same electric potential difference, the ratio of their speed \[\frac{{{V}_{A}}}{{{V}_{B}}}\] is:

A) 2: 1                              

B) 1: 2

C) 1: 4                              

D) 4 :1