1.

Eight small drops, each of radius \[r\] and having same charge \[q\]are combined to form a big drop. The ratio between the potentials of the bigger drop and the smaller drop is [CPMT 1983, 89; MP PMT 1989, 94]

A.         8 : 1
B.         4 : 1
C.         2 : 1 
D.            1 : 8
Answer» C.         2 : 1 


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