Questions
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
a
1000
b
100
c
10
d
1
detailed solution
Correct option is B
VBig =n2/3vsmall =(1000)2/3vsmall =100vsmallTalk to our academic expert!
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A hollow metallic sphere of radius R is given a charge Q. Then the potential at the centre is
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