Question

125 water drops of equal radius and equal
capacitance C coalesce to form a single drop of
capacitance C'. The relation between C and C' is
0 2015)
C
(a) C'=
(b) C' = 5C
125
(c) C' =125C
(d) C'=C
2​

Answer 1

Explanation:

Here = 125 R = 5 r

Capacitance of large drop = = 5 C