Electrostatics Question 18

Question: 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]

Options:

A) 1000

B) 100

C) 10

D) 1

Show Answer

Answer:

Correct Answer: B

Solution:

VBig=n2/3vsmall=(1000)2/3vsmall=100vsmall



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