1.

1000 small water drops each of radius r and charge \[q\]coalesce together to form one spherical drop. The potential of the big drop is larger than that of the smaller drop by a factor of          [CPMT 1991, 97; NCERT 1984; MP PMT 1996; MP PET 2002]

A.         1000
B.         100
C.         10     
D.            1
Answer» C.         10     


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