A particle \( A \) has charge \( +q \) and particle \( B \) has charge \( +4 q \) with each of t... VIDEO
A particle \( A \) has charge \( +q \) and particle \( B \) has charge \( +4 q \) with each of them having the same mass \( m \). When allowed to fall from rest through same electrical potential difference, the ratio of their speed \( v_{A}: v_{B} \) will be
(a) \( 2: 1 \)
(b) \( 1: 2 \)
(c) \( 4: 1 \)
(d) \( 1: 4 \)
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